Hi cayrex2 don't be shy about your English - I'm a German and understand you very well. It's time to say: I been lerning a lot from you. My special interest are the Zinc - Carbon batteries; so my special thanks about this. Have a merry Christmas + a happy new year!
The conductive ink you can buy here (Water Based CP 600-1): www.nemo-conductive.com We support and connect all kinds of makers, therefore with sharing your projects (short description or a picture) in the blog we offer you 10% discount on your next purchase through our online shop. Let your ideas inspire others.
Rub the surface nail well until the surface gets a metallic sheen. The paint graphite dust then combines and the coating becomes more electrically conductive. You must achieve a conductivity of less than 150 Ohms for a length of 1 cm. Then cover the surface with a clear film to make the coating not only conductive but also resistant to water and mechanical scratches. This is a cheap stealth coating technology for drones that become invisible to radar.
Hey man i wish i could speak your language as good as you speak mine, you are doing ok ! Great video .... but do some more batteries we miss your battery tech..... merry christmas .....kev 😎
Hey the Carbonator is back 😎! Thank you. Yes I will make new videos on battery tech. I was thinking that I will make more videos about batteries this year, but the things gone other way for this year. The other projects that I do are almost completely finished. So next year I will work more on battery projects. Merry Xmas mate
sodium silicate? maybe you could use a mix of sodium bicarbonate (baking soda) mixed with salt? ...then mixed with graphite powder? I wonder if that woudl work. Sounds like it would be fun to mess around with.
I want to make a graphene conductive ink yesterday I made a graphene using amonium sulfate into dislilled water and making a solution by stirring and after that I sonicate and then a centrifuged and at the last I dry it
Can we make using combination of chemicals, combining wet alkaline compound from 1.5v cell and lithium from lithium cell , add epoxy or acrylic or any other glue, I think conductivity improves.
Here you have one,... some random 15 sec search on google www.restauro-online.com/epages/63807438.mobile/en_GB/?ObjectPath=/Shops/63807438/Products/Z115&Locale=en_GB
one more thing. Particle diameter of graphite powder affects to the conductivity of the ink. you use 15microns. is it better to use more or less micron diameter? is 40 microns better than 5 microns? thank you
Hello. You have awesome videos. I watched a lot of videos. But i cant find, how i can do a caarbon heater 🙂 Can i use this mix for carbon heater made. Only i have active carbon and sodium silicate. Can you tell me how i make a carbon heater paint. I tryed but i cant.
hello my friend. I have made conductive ink based on sodium silicate. I have put it in a ceramic plate, I have it connected to the current 13 volts 7 amps, I had a problem, as the plate was heating the conductive ink begins to bubble. do you know the reason? thank you. you are the best.
Dude you are a genius! Thanks so much for this! I've been looking for a cheap way to make a conductive coating for a mosquito net fabric to make a portable faraday cage... Would this work? I might electroplate it for better conductivity. 10 ohms is great! Thank you!!!
Have you made any progress on this? Saw your comment on Robert Murray's channel too :D If you are after on some HECS blanket etc, you might consider making it weaved from ground heating cable. I have been planning to make one like that someday. I'm planning to use the pealed cable strings going vertical and use aluminum coffee package strips going horizontal. Just making small squares and sewing them together.
Video je super. Ja sam isto nesto slicno experimentisao. Koristio sam prirodni grafit, samo umesto vodenog stakla , koristio sam stiropor u kombinaciji sa acetonom i toulenom. Dobio sam otpornost 0,04 oMh kao Bakar.😀
@@cayrex Pa znam, ali sa unimerom kad merim pokazuje 0,04 ne znam iz kog razloga. I kad merim otpornost na plastici, pokazuje istu vrednost. Testirao sam unimer, ispravan 100%
Great info, thank you for sharing. Is this more conductive than pyrolytic graphite ? I've been using pyrolytic graphite and I'm happy with it. I'm using it instead copper material .
@@cayrex make a video and measure the resistance between the battery negative to where the ground is connected lets see whether it decrease significantly...It will be great education and benefit for car community
is this the same mix you used in your update? The water glass you are using is quite dilute. The higher concentrations are more viscous. ie 40-42 deg Be. If you want to make consistent ink smears, consider making a Mayer Rod or Doctor Blade method. The Mayer Rod method is simple: wrap a wire tightly around a 5-10mm rod and draw it across the ink on the surface. Depending on the wire thickness, you'll get reproducible, even films. Cheers! Doug
Hi I tried this methode but the dried ink is not water resistant. Water disolve it unfortunately. Instead sodium silicate I used 2 component epoxy resin. It was bit difficult to mix but final coating is water resistant. I think if I would use acetone to disolve the mixture it would be easier to make a smooth layer... maybe you could make a video about tbis epoxy resin/acetone/graphite mix?
Hmm, interesting. Do you try with sodium silicate from diffrend brand? Sometimes the concetration of the product is not good. I try two diffrend sodium silicates but each time I get waterproof ink, like I show you in the video. Epoxy is good but I think that the resistance will be higher. Yes I will try to make a video about epoxy conductive ink,.... just wait a little bit, because I waiting for the graphite.
Hı cayrex. I tried to make this ink. But the mixture didn't happen homogenous. Graphite powder sank to the bottom. I think my graphite size was a little thick. What do you think about this. And what size of graphite which you used in micron? Thank you
Pozdravljen,Ne spoznam se ampak me zanima galvanizacija.Če naredim premaz, kot prikazujete vi v videu, bi bil ta premaz primeren za galvanizacijo ?Ali bi svetovali da dobim boljšo površino če primešam kakšno drugo tekočino ?Najlepša vam hvala za odgovor.
Emm, I really think that this will be a bad idea for your printer 😁 When the ink will dry out you will have a carbon glass all over your printer 😓😱🙈🙉🙊😁
i dont know whats happening, the one i made looks exactly like yours but under the tap water it just absorbs all the water and peels off. Been drying for 24hs.. same result.
@@cayrex It gets even weirder because the chemistry that sold it to me, told me that: "it is expected to be soluble in water because of Sodium cations"... well maybe its time to try other binders.. cmc-sbr next !?
If I use an absorbing paper towel for example (fiber rich paper )and I coat it with Conductive ink .. Would it still be able to absorb water ? (without making the ink runny ? .. Would you mind if you give me your email.. I have few questions related to this field !
Hey, that's so great. For how much time it is durable? What is the durability of this ink? Can we use it to print the solar panels? Hoping for earliest response.
Real life durability out from my hands is now around 3 years without any perceptible changes of the ink. But the ink can last longer. Using that ink for solar panels is not the best I think, but you can try it anyway. Maybe some dry ink can be good. But like I said, try it and see.
Language isn't the problem. If you can make people to understand what you trying to say that's enough for understanding. And try to give more information on a topic. Awesome video.
Sodium silicate or water glass,... which is alkaline solution. Hmm, maybe you have high concentrate,.... you can add little water or you try another one.
@@cayrex I am not afraid about the graphite. But I am not familiar with other product, I try to figured out to what it correspond to the EU amazon market to buy the correct one ;) . Not easy to know what to buy when you know nothing about the topic.
PS: @cayrex2 you should us the Amazon affiliate link in your description. By redirecting people to the good product to Amazon you make a percentage of the next product the users buy on Amazon. It would allow us to thank you indirectly.
@@eloistreeraw I buy sodium silicate in my local store for some 2€. If you buy sodium silicate you will get sodium silicate,... maybe the concentration can be a little diffrend. Sodium silicate is mixed with water, so is better to buy a bit higher concentration, because ,ou can add water if you need it. But I think thatare more or less all sodium silicates at same concentration.
Hi I tried this and it worked great with good conductivity, but it washed off the paper very easily. There is not much to it just sodium silicate and graphite so I don't know why mine was not water resistant ?
Hmm,.... I dont know what can be the problem. I make two videos on the same ink with the same materials, only water glass was diffrend brand. And always I get water resistant ink. Try some other sodium silicate
I was try your project before, graphite and water glass/ sodium silicate. And it was not waterproof and the result on ink paint was not thick like what you did. Is there any reason about my failure? What i confusing is, how can be your ink was waterproof, is that from sodium silicate did you use?
I use some cheap sodium silicate from technical store. I dont know what was the concentration of sodium silicate but was little more thick as some other sodium silicates. If you put for long time into water, the paint can go off after some time and rubbing. So is not 100% waterproof. But is no panic if you put into water for short time or if some drops of water will drop on the paint. Try to find some sodium silicate with higher concentration.
After you respon my question, i was trying find more literation. You was right about silicate ( not waterglass) can use for water proof coating some parts. Its about concentration of NaoH + Sio2 which my supplier made. I was try it on the other supplier, and it was same. So i was make the other method for make conductive ink, graphite and thinner( or aceton maybe, i has try it and fail too) which melting the plastic and sterofoam. Is that method can works for make it?
@@gambangtekop9910 right! So, to make a basic paint you need active material (pigment, like normal paints ar using or in your case graphite), binder (is in basic glue, that hold active material in place,... PVA, sodium silicate, PU glue,...) and solvent (which dissolve binder and make all luquid,... water, acetine, other organic solvents). But you need to know your binder,.... what solvent will dissolve it, will be waterproof when will be dry, flexible, etc,... so, the binder plays important role. Make PU glue, acetone, graphite or PVA, water and graphite. Play with amount and you will get not the best but good paint.
Hello sir. I tried your procedure but mine has higher resistivity almost 500k. When I saw your sodium silicate its different from mine, it is so sticky and yours is not. Can you help with my problem?
This paint does not adhere to plastics, glass, metal, only porous surfaces such as wood, paper. It flakes off from plastics, glass, leaves, etc. when it dries. The best quality paint available today is the graphene paint by Robert Murray Smith, which can be applied in an extremely thin layer on various surfaces, yet it possesses extremely good conductivity. The conductive material is only about 1/4 - 1/6 of what is shown in this video! When graphene settles, it occupies only about 1/6 of its original volume! This is necessary to be able to paint in a very thin layer. For electroforming, it is crucial that the applied paint conducts as well as possible in the thinnest layer possible.
@@cayrex No, no, it was a joke. There was a flash of black encoding artifacts or something at the bottom of the screen. So I was joking that you spilled some on the video file. Thanks for this recipe, I think I'm going to try to use it for plating through holes on DIY circuit boards, applying it to the edges of drilled holes then plating with copper.
More resistive? You add less carbon or add more binder or mix something non conductive together. PVA and graphite and mix your resistor on different volume resistance
cayrex2 thank you. I will try to make up some ideas for uses for this paint. Do you think homemade circuit boards are possible if the material used for the board is hard and not flexible?
@@cayrex Welcome. I am very interested in what you offer. My question is about the preparation of conductive and water-resistant carbon inks, as the ink industry relied on polyvinyl chloride as a binder with the use of a specific plasticizer, because I want to print it through a 165T silk screen to prepare a sensor printed on a PVC board, but the ink resistance is about 90 ohms, and I want to make it close to your ink that made in the video. Can you help me?
I saw one of your older video where you did the same ink with carbon and you got almost the same resistance results after polishing. So is that difference to make a good conductive ink, using carbon or graphite powder?
Yes, to make good conductive ink is depending on almost all used materials like binder, conductive material, size,... in basic graphite is also a carbon. Graphite have lower surface area as activated carbon or carbon black, which means that you can add more graphite into the binder and still you get good liquid ink. But if you add some activated carbon or carbon black to the binder,... the load of carbon will be way smaller for the same liquid state of the ink. But if you add the same amount of carbon black or AC that you use with graphite,.... the ink will end up like pasta.
@@cayrex Very good answer, very understandable for me. Thank You! So smaller size would be graphite oxide but it is more expensive to produce thats why graphite is the best (optimal) for the conductive ink.
Hello, very informative video. could you please give us the link for the natural graphite at ebay for 9 euros. i ve been searching and most of them they sell synthetic graphite and the cheapest is 19 euros for 1kgr. i would appreciate if you post the link. thank you
The graphite is 1000ml which is not 1kg,.... in kg is around 600 to 700g. Here is the link: www.ebay.de/itm/7-99-l-Graphitpulver-Grafitpulver-Graphit-Grafit-Schmiermittel-1000-ml/153288184560?hash=item23b0b012f0:g:UXkAAOSwDthZpRFu
@@cayrex Hello, you doing a good job. I allready passed all this tests with heating elements and heaters. Little advice, you can add a copper powder to a graphite. It helps you put up electrical conductivity without resistive changes.
I am not willing to watch this past the first test with the ohm meter. You had the probes less than 2mm apart. Test conductivity across the swatch. Useless info!
i did less silicate and do more graphite and the same 1000 ohm per CM my silicate not clear as yours its make diffrent ? my silicate color look like this one www.researchgate.net/figure/Sodium-silicate-solution_fig4_314441113 and thanks for amazing videos im from egypt
@@cayrex i just bought today sodium metasilicate and my graphite is 200 mesh to make new PAINT COMPOSITIONS and plz look at this PAINT COMPOSITIONS down
You are very busy....and very intelligent. Much respect.
You've just gave me the greatest idea ever!
I am happy for you ☺🥳
Please tell me you are going to turn all of the useless people into copper status.
is it, is it 3D printing pcbs and using microfluidic channels filled with conductive ink for the traces? because that's the idea it gave me.
Hi cayrex2
don't be shy about your English - I'm a German and understand you very well.
It's time to say: I been lerning a lot from you. My special interest are the Zinc - Carbon batteries;
so my special thanks about this.
Have a merry Christmas + a happy new year!
Thank you my friend. And merry xmas
The conductive ink you can buy here (Water Based CP 600-1): www.nemo-conductive.com
We support and connect all kinds of makers, therefore with sharing your projects (short description or a picture) in the blog we offer you 10% discount on your next purchase through our online shop. Let your ideas inspire others.
Thank you! Just in time!!! Have nice days. 🎄🎁
Rub the surface nail well until the surface gets a metallic sheen. The paint graphite dust then combines and the coating becomes more electrically conductive. You must achieve a conductivity of less than 150 Ohms for a length of 1 cm. Then cover the surface with a clear film to make the coating not only conductive but also resistant to water and mechanical scratches. This is a cheap stealth coating technology for drones that become invisible to radar.
US air force want to know your address. 😄
Good experiment . Keep it up..!
Thanks for showing waterproof ink! We can also use PU binder for this type of ink!
Yes for sure
Abbreviated PU, what does that stand for?
@@strongme80 Polyurethane
Thanks, Appreciate you talking with us🤗
Dont worry about your English. You Speak it better than some people who only know English
👍
i make SSD heatsink By watching your video thank you dude..!
Great very clear video your presentation has got really good .Thank you for teaching us. Have a great Christmas
Thank you,.... and merry xmas
Hey man i wish i could speak your language as good as you speak mine, you are doing ok !
Great video .... but do some more batteries we miss your battery tech..... merry christmas .....kev 😎
Hey the Carbonator is back 😎! Thank you. Yes I will make new videos on battery tech. I was thinking that I will make more videos about batteries this year, but the things gone other way for this year. The other projects that I do are almost completely finished. So next year I will work more on battery projects. Merry Xmas mate
@@cayrex ok mate all the best for the new year.
Keep up the good work.
And have a good christmas 😎😎😎😎😎😎😎😎😎😎😎😎😎
Thank you.
Great jib
Can I use it on plasric circuit?
Great video
So glad you're talking and have some banging great tunes for your backing and intro and outro music.
Great to see your fantastic results.
Thank you for this.
Merry Christmas my friend.
Thank you and merry xmas also to you
I made a graphene by using electrochemical exfoliation method
sodium silicate? maybe you could use a mix of sodium bicarbonate (baking soda) mixed with salt? ...then mixed with graphite powder? I wonder if that woudl work. Sounds like it would be fun to mess around with.
Cool video, very interesting. No problems at all with your English.
Thank you my man
I want to make a graphene conductive ink yesterday I made a graphene using amonium sulfate into dislilled water and making a solution by stirring and after that I sonicate and then a centrifuged and at the last I dry it
Can we make using combination of chemicals, combining wet alkaline compound from 1.5v cell and lithium from lithium cell , add epoxy or acrylic or any other glue, I think conductivity improves.
The sodium silicate is not cheap any more. Current price is 15eu for 118 ml
Hahahaha you need to change the supplier 🤣
3 EUR per liter here in the store.
Here you have one,... some random 15 sec search on google www.restauro-online.com/epages/63807438.mobile/en_GB/?ObjectPath=/Shops/63807438/Products/Z115&Locale=en_GB
one more thing. Particle diameter of graphite powder affects to the conductivity of the ink. you use 15microns. is it better to use more or less micron diameter? is 40 microns better than 5 microns? thank you
Oh yes,... I just forgot to say. Is better if you use small size particles graphite.
Great video, by the way , can use Graphite Fine Powder Lubricant also or not?
Now I want to make graphene conductive ink which chemical used as a best for it
Thanks bro, very helpful tutorial
OK, that was a better video. Thumbs up.
Great Job, thanks for sharing
👍
Great job man!
Is the adhesion to the surface good in long term?
Hi sir can please help mein how to coat graphide powder in Pvc rubber ? I want to make rubber condective
Hello, I used glass water with graphite but I cannot lower the resistance.
can you help me
necessary for my homework
Thank you in advance.
🙏🙏🙏
very nice best wishes, great idea
Thank you... and merry xmas
Great video, understood everything you said, your English is good, ... Thank you for sharing this ;-)
Hello. You have awesome videos. I watched a lot of videos. But i cant find, how i can do a caarbon heater 🙂 Can i use this mix for carbon heater made. Only i have active carbon and sodium silicate. Can you tell me how i make a carbon heater paint. I tryed but i cant.
hello my friend. I have made conductive ink based on sodium silicate. I have put it in a ceramic plate, I have it connected to the current 13 volts 7 amps, I had a problem, as the plate was heating the conductive ink begins to bubble. do you know the reason? thank you. you are the best.
Yes. The ink is still wet
@@cayrex I let it dry for 16 hours, I painted it two coats. thank you very much, you are the best again.
bu yaptığınıza elektrik verirsek ısınırmı..yani ısı boyası olurmu
Dude you are a genius! Thanks so much for this! I've been looking for a cheap way to make a conductive coating for a mosquito net fabric to make a portable faraday cage... Would this work? I might electroplate it for better conductivity. 10 ohms is great! Thank you!!!
Have you made any progress on this? Saw your comment on Robert Murray's channel too :D
If you are after on some HECS blanket etc, you might consider making it weaved from ground heating cable. I have been planning to make one like that someday. I'm planning to use the pealed cable strings going vertical and use aluminum coffee package strips going horizontal. Just making small squares and sewing them together.
did u try the conductivity without your graphite and compare it with your graphite?
Liked subscribed amazing,. Plz mention ratio of carbon to solvent.
Odlicno
👍
Video je super. Ja sam isto nesto slicno experimentisao. Koristio sam prirodni grafit, samo umesto vodenog stakla , koristio sam stiropor u kombinaciji sa acetonom i toulenom. Dobio sam otpornost 0,04 oMh kao Bakar.😀
Toulen je opasan 😷🤢 Bakar je 0.017 ohms/m.
@@cayrex Pa znam, ali sa unimerom kad merim pokazuje 0,04 ne znam iz kog razloga. I kad merim otpornost na plastici, pokazuje istu vrednost. Testirao sam unimer, ispravan 100%
@@cayrex Ako te ne mrzi, izmeri otpornost bakra.
Great info, thank you for sharing.
Is this more conductive than pyrolytic graphite ?
I've been using pyrolytic graphite and I'm happy with it. I'm using it instead copper material .
Where do you buy it from?
Does the ink you showed in the video stick to a PVC substrate ?
Can you make it into grease? It would be useful for car electrical contact such as the battery terminal and grounding cable contact point
Yes it is possible
@@cayrex make a video and measure the resistance between the battery negative to where the ground is connected lets see whether it decrease significantly...It will be great education and benefit for car community
The cracks ithe ink would be an indicator of a sudden structural structural failure so it could work as a sensor
As a sensor?
@@cayrex Yes, it breaks - it sends an OFF signal
My graphene ink doesnt conduct! Why is that
For many reasons. Bad low qualty graphite, you add to much binder, the ink is not dry,... But most of the time is bad graphite
@@cayrex i used 99.99% pure graphite as per paper! Used 300 ml pvp and 50 gms graphene
is this the same mix you used in your update? The water glass you are using is quite dilute. The higher concentrations are more viscous. ie 40-42 deg Be. If you want to make consistent ink smears, consider making a Mayer Rod or Doctor Blade method. The Mayer Rod method is simple: wrap a wire tightly around a 5-10mm rod and draw it across the ink on the surface. Depending on the wire thickness, you'll get reproducible, even films. Cheers! Doug
Hi I tried this methode but the dried ink is not water resistant. Water disolve it unfortunately.
Instead sodium silicate I used 2 component epoxy resin. It was bit difficult to mix but final coating is water resistant. I think if I would use acetone to disolve the mixture it would be easier to make a smooth layer... maybe you could make a video about tbis epoxy resin/acetone/graphite mix?
Hmm, interesting. Do you try with sodium silicate from diffrend brand? Sometimes the concetration of the product is not good. I try two diffrend sodium silicates but each time I get waterproof ink, like I show you in the video. Epoxy is good but I think that the resistance will be higher. Yes I will try to make a video about epoxy conductive ink,.... just wait a little bit, because I waiting for the graphite.
Not getting results you are showing. Can you provide exact graphite link?
But graphene viscosity is very low
Hı cayrex. I tried to make this ink. But the mixture didn't happen homogenous. Graphite powder sank to the bottom. I think my graphite size was a little thick. What do you think about this. And what size of graphite which you used in micron?
Thank you
Hi! The size which is good to make a paint will be from 45 to 5 microns. If the paint is sitting for some time you will get some sediment for sure.
Pozdravljen,Ne spoznam se ampak me zanima galvanizacija.Če naredim premaz, kot prikazujete vi v videu, bi bil ta premaz primeren za galvanizacijo ?Ali bi svetovali da dobim boljšo površino če primešam kakšno drugo tekočino ?Najlepša vam hvala za odgovor.
Pozdravljeni! Mislite kaj temu podobno? ruclips.net/video/GxEN5vvNAXc/видео.html
Odvisno kakšno površino bi galvanizirali,... plastika, les,...?
rad bi galvaniziral sveže liste rastlin.hvala za odgovor
Awesome job, on that, a quick question, how do I make a long lasting capacitance with out a sodium catalyst? Can you assist?
There's a lot of different options anything acidic.
nice
Sir tell me the name of chemical which is in white bottle?
It is sodium silicate
@@cayrex sir can I used sodium silicate into dry graphene to make a graphene conductive ink??
any way to put that ina printer :D !??
Emm, I really think that this will be a bad idea for your printer 😁 When the ink will dry out you will have a carbon glass all over your printer 😓😱🙈🙉🙊😁
Can we add some water in this ink
i dont know whats happening, the one i made looks exactly like yours but under the tap water it just absorbs all the water and peels off. Been drying for 24hs.. same result.
To low NaOH in the silicate?
@@cayrex It gets even weirder because the chemistry that sold it to me, told me that: "it is expected to be soluble in water because of Sodium cations"... well maybe its time to try other binders.. cmc-sbr next !?
If I use an absorbing paper towel for example (fiber rich paper )and I coat it with Conductive ink .. Would it still be able to absorb water ? (without making the ink runny ? .. Would you mind if you give me your email.. I have few questions related to this field !
Hey, that's so great.
For how much time it is durable? What is the durability of this ink?
Can we use it to print the solar panels?
Hoping for earliest response.
Real life durability out from my hands is now around 3 years without any perceptible changes of the ink. But the ink can last longer. Using that ink for solar panels is not the best I think, but you can try it anyway. Maybe some dry ink can be good. But like I said, try it and see.
@@cayrex Okay.. Thanks for the reply.
Have a nice day.
No problem. You too
awesome, can i apply this mixture to a wooden surface?
Yes you can 😉
@@cayrex owh thanks man, i will try it
@@ardaxr5639 😉👍
Language isn't the problem. If you can make people to understand what you trying to say that's enough for understanding. And try to give more information on a topic. Awesome video.
Thank you my friend
What paper you used plz tell me video was very much i informative
The paper that I use is just normal printer paper
@@cayrex great video! Do you think this ink is Epson printer cartridge friendly? Thx.
Hi good video
Thank you
Hello
Do you have a tutorial on waterproof flexible ink for electroplating non conductive items please?
Hello! Sorry no
what concentration is the sodium silicate?
It usually 38-40%
Is the activated carbon not conductive?
What does alkaline sodium silicate mean?
My sodium silicate is thick like gel, is that OK?
Sodium silicate or water glass,... which is alkaline solution. Hmm, maybe you have high concentrate,.... you can add little water or you try another one.
Thank a lot for the video. Will try it.
I send you a beer later if I succeed to do it ;)
I hold you to your word 😉 Be sure taht you use some good quality graphite
@@cayrex I am not afraid about the graphite. But I am not familiar with other product, I try to figured out to what it correspond to the EU amazon market to buy the correct one ;) .
Not easy to know what to buy when you know nothing about the topic.
Maybe that one:
www.amazon.fr/gp/product/B07YNPR2K6/ref=ask_ql_qh_dp_hza
But the "neutral" word make me doubt
.
PS: @cayrex2 you should us the Amazon affiliate link in your description. By redirecting people to the good product to Amazon you make a percentage of the next product the users buy on Amazon. It would allow us to thank you indirectly.
@@eloistreeraw I buy sodium silicate in my local store for some 2€. If you buy sodium silicate you will get sodium silicate,... maybe the concentration can be a little diffrend. Sodium silicate is mixed with water, so is better to buy a bit higher concentration, because ,ou can add water if you need it. But I think thatare more or less all sodium silicates at same concentration.
what is that liquid? Is it water?
Any link to the water glass liquid bottle stuff?
sodium silicate or water glass
Hi I tried this and it worked great with good conductivity, but it washed off the paper very easily. There is not much to it just sodium silicate and graphite so I don't know why mine was not water resistant ?
Hmm,.... I dont know what can be the problem. I make two videos on the same ink with the same materials, only water glass was diffrend brand. And always I get water resistant ink. Try some other sodium silicate
Waterglass forms a gel in acidic conditions. Perhaps it would set to an insoluble film if you spray with vinegar or some other mild acid.
@@ericslighton5813 dammit why doesn't my inorganic chem textbook have any information like this!!!??!!
can i use reduced graphene oxide as alternative of graphite
Grafen oksit çok pahalı bir malzeme. Bulabilirseniz iletkenliği çok daha iyidir.
I was try your project before, graphite and water glass/ sodium silicate. And it was not waterproof and the result on ink paint was not thick like what you did. Is there any reason about my failure?
What i confusing is, how can be your ink was waterproof, is that from sodium silicate did you use?
I use some cheap sodium silicate from technical store. I dont know what was the concentration of sodium silicate but was little more thick as some other sodium silicates. If you put for long time into water, the paint can go off after some time and rubbing. So is not 100% waterproof. But is no panic if you put into water for short time or if some drops of water will drop on the paint. Try to find some sodium silicate with higher concentration.
After you respon my question, i was trying find more literation. You was right about silicate ( not waterglass) can use for water proof coating some parts. Its about concentration of NaoH + Sio2 which my supplier made. I was try it on the other supplier, and it was same. So i was make the other method for make conductive ink, graphite and thinner( or aceton maybe, i has try it and fail too) which melting the plastic and sterofoam. Is that method can works for make it?
@@gambangtekop9910 right! So, to make a basic paint you need active material (pigment, like normal paints ar using or in your case graphite), binder (is in basic glue, that hold active material in place,... PVA, sodium silicate, PU glue,...) and solvent (which dissolve binder and make all luquid,... water, acetine, other organic solvents). But you need to know your binder,.... what solvent will dissolve it, will be waterproof when will be dry, flexible, etc,... so, the binder plays important role. Make PU glue, acetone, graphite or PVA, water and graphite. Play with amount and you will get not the best but good paint.
Wow
Hello sir. I tried your procedure but mine has higher resistivity almost 500k. When I saw your sodium silicate its different from mine, it is so sticky and yours is not. Can you help with my problem?
Did you find a solution to this problem ? Did you use more small graphite? Did you use less Silicate and more graphite ?
@@eloistreeraw same her and i did less silicate and do more graphite and the same 1000 ohm per CM
my silicate not clear as yours its make diffrent ?
I dont know if it is important for the sili. ps: do also have a problem with with time the paint become white like it was attack by mushroom ?
Sir How to make ink from powdererd PANI and polypyrrole? kindly guide
I need it urgent
Again, I never work with PANI and polypyrrole so is hard to say something which will work 100% Search on web
is this ink resistant to electrolytes? or will be damaged
This paint does not adhere to plastics, glass, metal, only porous surfaces such as wood, paper. It flakes off from plastics, glass, leaves, etc. when it dries. The best quality paint available today is the graphene paint by Robert Murray Smith, which can be applied in an extremely thin layer on various surfaces, yet it possesses extremely good conductivity. The conductive material is only about 1/4 - 1/6 of what is shown in this video! When graphene settles, it occupies only about 1/6 of its original volume! This is necessary to be able to paint in a very thin layer. For electroforming, it is crucial that the applied paint conducts as well as possible in the thinnest layer possible.
Spilled some conductive ink on the video at 5:26
Yes, here I paint a litle on my desk to try out.
@@cayrex No, no, it was a joke. There was a flash of black encoding artifacts or something at the bottom of the screen. So I was joking that you spilled some on the video file.
Thanks for this recipe, I think I'm going to try to use it for plating through holes on DIY circuit boards, applying it to the edges of drilled holes then plating with copper.
How to make it more resistive. I would like to make my own carbon resistors.
More resistive? You add less carbon or add more binder or mix something non conductive together. PVA and graphite and mix your resistor on different volume resistance
good job man , hey where did you buy graphit can u give me website thanks
I buy it from some german guy on ebay. But I think that he dont sell on ebay anymore. Make a look on german ebay.de for natural graphite powder
www.ebay.de/itm/Graphitpulver/174501143324?hash=item28a114231c:g:~UwAAOSwbYFfnn~e
Is not the same seller but I think that is the same graphite. Is long time when I last buy that graphite.
can i use sinthetic graphite?
Yes
@@cayrex thanx
@@mcpmofficial2812 no problem 😉
Can i use this in a paint spray gun?
Yes, if it's too dense you can add more water or sodium silicate. Mixed very well to get smoot paint and you can use in a spray gun
cayrex2 thank you. I will try to make up some ideas for uses for this paint. Do you think homemade circuit boards are possible if the material used for the board is hard and not flexible?
hello could I ask you
Yes
@@cayrex Welcome. I am very interested in what you offer. My question is about the preparation of conductive and water-resistant carbon inks, as the ink industry relied on polyvinyl chloride as a binder with the use of a specific plasticizer, because I want to print it through a 165T silk screen to prepare a sensor printed on a PVC board, but the ink resistance is about 90 ohms, and I want to make it close to your ink that made in the video. Can you help me?
I saw one of your older video where you did the same ink with carbon and you got almost the same resistance results after polishing. So is that difference to make a good conductive ink, using carbon or graphite powder?
Yes, to make good conductive ink is depending on almost all used materials like binder, conductive material, size,... in basic graphite is also a carbon. Graphite have lower surface area as activated carbon or carbon black, which means that you can add more graphite into the binder and still you get good liquid ink. But if you add some activated carbon or carbon black to the binder,... the load of carbon will be way smaller for the same liquid state of the ink. But if you add the same amount of carbon black or AC that you use with graphite,.... the ink will end up like pasta.
@@cayrex Very good answer, very understandable for me. Thank You! So smaller size would be graphite oxide but it is more expensive to produce thats why graphite is the best (optimal) for the conductive ink.
@@jtoomla yes, that's right
Hello, very informative video. could you please give us the link for the natural graphite at ebay for 9 euros. i ve been searching and most of them they sell synthetic graphite and the cheapest is 19 euros for 1kgr. i would appreciate if you post the link. thank you
The graphite is 1000ml which is not 1kg,.... in kg is around 600 to 700g. Here is the link: www.ebay.de/itm/7-99-l-Graphitpulver-Grafitpulver-Graphit-Grafit-Schmiermittel-1000-ml/153288184560?hash=item23b0b012f0:g:UXkAAOSwDthZpRFu
@@cayrex Hello, you doing a good job. I allready passed all this tests with heating elements and heaters. Little advice, you can add a copper powder to a graphite. It helps you put up electrical conductivity without resistive changes.
@@user-uc2qn7fr1b the copper powder will oxidize over time. The copper oxide is not conductive.
@@cayrex its oxidize only on air but not in water glass.
I am not willing to watch this past the first test with the ohm meter. You had the probes less than 2mm apart. Test conductivity across the swatch. Useless info!
Useless commnet. Cheers
@@cayrex What's a commnet? I'm confused.
Nice
Plse tell about the solvent/binder
Sodium
silicate acts as a binder in heavy-duty laundry detergent and auto dishwashing tablets.
i did less silicate and do more graphite and the same 1000 ohm per CM
my silicate not clear as yours its make diffrent ?
my silicate color look like this one
www.researchgate.net/figure/Sodium-silicate-solution_fig4_314441113
and thanks for amazing videos im from egypt
hmm, interesting. look like like my silicate have more water!? Try to buy another brand. I use some nobrand cheap one.
@@cayrex i just bought today sodium metasilicate and my graphite is 200 mesh to make new PAINT COMPOSITIONS and plz look at this PAINT COMPOSITIONS down
and add some Glycerin to make it more flexible
@@minasmash thats the right way
Robert Murray copy....
Jaja, yes for sure 😄
Dude the music is offputting
Whatever 😉😎
cayrex2 nah man I mean the rest of the video is great but try a introduction song that doesn't scare people with a different taste in music away
@@overpope3510 hehehehe yea I know what you mean. Is hard to find good non copyrights music this days.
cayrex2 some lofi actually is
very slow