Epoxy Primer vs Self Etch Primer for Bare Metal
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- Опубликовано: 29 сен 2024
- Bare metal must have epoxy primer, self etching primer, or DTM Direct to metal primer. Primer surfacer should not be applied directly to bare metal. In this video, I will discuss the three primers and let you decide which one you prefer. Paint mixing lids amzn.to/492vVqF Paint cups amzn.to/426C96E
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You made the most specific video about primers on you tube. Thank you and LIKE from me
Glad you found it useful. Thanks for watching. I have a full lesson on sanding, priming, blocking, etc you may also find useful at www.collisionblast.com/paint-prep/
Great video, you answered alot of my questions. Based on what materials to use over bare metal and body fillers. Thanks for sharing your knowledge with us.
One of my first jobs was to paint big I-beams that had been fabricated for buildings and bridge work. The first day, knowing nothing about paints, I was given an airless and told to paint the metal, which had been blasted. I did it, and at quitting time, the boss said I did a good job, and to be there earlier tomorrow as he had a lot more to paint. When I came in the next day, he asked me did I clean out the airless unit. I said no. He told me that I wasn't to blame as I told him I didn't know anything about paint. We had to replace the hose, but the pump and gun we soaked in lacquer thinner and it cleaned it out very well. He said he woke up about 2 am and thought about it, but figured if I didn't clean it, there was no one to blame but himself.
I worked for that guy for 13 years, he was a great owner/boss.
kutzbill - Yea we have all had that experience of waking up in the middle of the night thinking about a mistake made on the job earlier in the day. Did you ever have to crawl up on erected structural steel work to paint?
i realize it's quite randomly asking but do anybody know of a good site to watch newly released tv shows online?
@Bishop Garrett I would suggest Flixzone. You can find it on google :)
@Bishop Garrett Try Flixzone. You can find it by googling =)
@Bishop Garrett I use FlixZone. Just search on google for it :)
@DIY Auto Body and Paint 2 years later to my last comment,i can reveal that i sprayed a metal drum BBQ in my back yard with both epoxy and etch primer in 2 seperate halves on the drum lid and 2 years later the etch primer wins,no rust coming through wheras the epoxy has rusted.
The BBQ drum was left outside in all wetahers totally unprotected
Thanks for testing that. Primers do absorb moister. A top coat really needs to be applied on top to help prevent rust. Thanks for your feedback and letting me know results.
DIY Auto Body and Paint
you are right,yes i never put a top coat on at all :(,even though left outdoors the etch worked best for me as in the UK it always rains
@@SP330Y ... same here. We also have better experiences with etching primer. Harsh winter conditions didn't do any damage to etch primed metal, where epoxy based primer failed and rust took over again (engine under tray).
@@metallmannschneider9856 further to this i also did an experiment with ZINC paint (cold zing galvanised paint) a product called ZG90, an that has amazing results, when i scratched off the silver zinc paint, the metal underneath was like brand new, tht wasn't even top coated with any other paints, so for me the best 2 are etch primer and cold zinc galvanised paints
Thanks, very helpful.
Unfortunately there are many really pertinent questions asked here but no responses, that's very frustrating.
This guy knows his shit! I remember a few lessons learned the hard way with etch prime lol
Which one you think is the best for Aluminium and which is which is the most resistant heat. Im trying to paint my car engine gearbox and i confused what is the best for last long. Thanks and nice explanation.
Can you put rust converter and then epoxy? Just to be 100% that small rust spots on the chassie is protected
Kudos! Question. When is the right situation to apply a DTM primer? I am guessing that it is for when your primer will also cover a painted surface and you do not want the acidity of an etching primer to lift the existing paint?
That is correct. It is also one step of applying primer instead of two steps. It provides filling and corrosion protection with one primer.
Thank you for clearing that up for me.
sanded down some indoor hand railing down to the metal, someone told me to use etching primer over other primer because the paint will adhere better on the etching primer, the railing gets used alot on a daily basis. Other people told me it don't make a difference what type of primer, any info would be very helpful
What is the difference between etched primer and self etching primer?
Great video Donnie, thanks for the good information. If I use a DTM primer, is it okay to put body filler on top of that, or does the filler still need to be on top of the bare metal?
Hey Donnie, can I strip a motorcycle tank to bare metal, sand it with 80/200/800, put some epoxy primer and call it a day? I want to get that cafe racer bare metal look but I don't know if I should be doing something else to protect the tank. Cheers.
I am not sure, but I did find a direct to metal clear you may be interested in www.kbs-coatings.com/DiamondFinish-Clear.html Would this work?
DIY How To Paint A Car School No, I'm looking for a matte finish (like it would look if I didn't do anything after stripping the paint...). Suggestions?
João Soares You could probably just rub the clear coat down to give a matte finish. It will never quite look like bare metal though. For that perhaps just have bare metal and use a rust prevention wax like Boeshield.
***** Thanks man, l'll try that. It's not like Donnie has a better tip...
João Soares Also saw this in there FAQ section: "At this time, the DiamondFinish Clear comes in a Gloss Finish. However, you can lightly sand the DiamondFinish Clear with steel wool after 24 hours to knock down the sheen."
Can you spray epoxy primer over top of a coat of self etching primer?
YES you can ,but the etch should be okay anyway,its sort of a double protection,etch bites into the metal chemically, whereas expoxy sits ontop of the paint
SP330Y Ok. Thank you. I'll keep that in mind.
For the ultimate protection see my chit chat below about COLD GALVANISING PAINT,its serious overkill,but stops it dead
Analysis of Anti Rust Products
Most rust converters and inhibitors which use Tannic Acid or Oxalic Acid, leave residues, and may use an acrylic polymer base which does not allow proper adhesion of epoxy paints. These brand names are Loctite Rust Neutralizer, Rustoleum Xtend, Eastwood Converter and Encapsulator. Ok for household use but will not allow proper adhesion of Epoxy finishes.
However, Phosphoric Acid (PA) is both a rust converter and inhibitor in one. It chemically bonds rust to metal and also leaves a fine film that prevents further rust from forming. It also cleans white corrosion on aluminum and heat scale from milling, greasy finger prints, residues, dirt, etc leaving a primed surface ready for paint. It also allows welding and sanding over it, excellent adhesion of epoxy primer and paint. It does not allow epoxy filler to fill dents and scratches. You need to use Epoxy Primer over the PA and then do gap filling and sanding.
You have these issues to deal with when refinishing cars in metal or fiberglass:
1. Rust neutralizing and inhibition. Chemically transform hidden rust and also prevent new rust.
2. Gap filling dents with epoxy filler.
3. Adhesion of epoxy primer and paint to the metal or fiberglass car body.
4. Anti-rust product must be be able to take sanding, welding, adhesion of epoxy primer and epoxy paint, leave no residue.
5. Need a product that removes finger prints, greasy residues, dirt, and leave a very clean surface primed for painting.
6. Need a product that you can apply to rusty metal and non rusty metal at the same time without adverse effects on either section. Cars have some rust spots but mostly not rusted.
7. Need a product that can remove aluminum white scale corrosion (from contact with air), and any heat scaling from milling. Many RVs have aluminum trim alongside fiberglass
and iron/steel pieces.
The only product that does all this - except gap filling with epoxy filler - is Phosphoric Acid.
Cost is $25 per Quart or $50 per Gallon online.
Compare this with Picklex 20 which is the same Phosphoric Acid.
Cost is $60 per Quart or $195 per Gallon online. More than double for a brand name for same product.
Beware the high priced brand names for ordinary products off the shelf.
I would like to know the active ingredients of Self-Etching Primers. I am sure they are the same thing - Phosphoric Acid sold at inflated prices.
It is important to note that you cannot compare Epoxy Primer with a Self Etching 'Primer'!
Epoxy Primer: True Primer. This bonds to metal, fills some tiny dents from sandblastic or wire sanding. It has zero rust CONVERTING ability. It cannot convert rust to a harmless form of Iron Oxide 3 which is stable and non-rusting. It does not leave a film to prevent rust. It coats
the metal and creates a good surface for the Epoxy Paint to adhere to. It also allows Epoxy filler putty if you want to even out some larger dents.
Self Etch Primer - Most likely Phosphoric Acid. Cleans, etches, CONVERTS rust to a stable form of Iron Oxide 3, and cleans surface well to take Epoxy primer and paint. IT DOES NOT TAKE EPOXY FILLER FOR GAPS! Now if you want to pay higher prices buy this. If you are smart, buy Phosphoric Acid directly.
How do you clean the steel panels prior to applying epoxy? Do you use hydrochloric acid? Some people have mentioned corrosion breaking through epoxy. Naked hands are a no-no, but perhaps a acid application followed by water and degreaser would solve that issue. What do you think?
Wash and wipe or sand the metal for bondage with 120 or 180 grit sandpaper... Then do your bodywork then sand with 240 for final primer or high build primer then final sand with what is recommended for the paint you are using...
No, it is not recommended to put body filler over DTM. You should apply the body filer to direct metal. The only primer that filler can be applied on top of is epoxy. Thanks for watching.
Great discussion. I would say epoxy primer is better on steel as steel is so reactive. Otherwise etch primer is so much faster and easier to use on all other metals. I only use Sikkens etch wash primer though..
That was a very informative video❤❤thank you
Are they using epoxy as a sealer before painting? That will be fine, but if they are applying self etch, then epoxy, then primer surfacer....I don't know that there is a benefit. Unless there is a paint company that recommends that. I know with PPG or Shopline that is not necessary.
If the paint is in good condition, you can final sand with 400 grit and paint on top of the sanded surface. Epoxy or self etch is for metal. So if you are not stripping, you can skip this step.
What is primer sealer used for?
There are a lot of different paint companies out there. If you want to do something like this I would look over all of the technical data sheets to make sure they are all compatible with each other. At the end of this video, there are two videos that you can click for Shoplines epoxy and self etch technical data sheets.
Awesome video man and very informative! I am clear coating a bare metal garden bench to keep that industrial look. I have bought 2k clear Matt to finish it off, if I use epoxy primer on the bare metal and then 2k clear over that, will it work nicely?
hey there
i just cant understand why its not possible to apply body filler to etch primer? what happens when you do?
is it just a question of "bad adhesion" or dose it react somehow with the etch primer? cos to me it sounds even worse to apply filler direct to metal since its a poros material and simply the moisture in the air would get trapped under the filler as well... in my mind you need to apply something that chemicaly merges with the metal ( like acid helps etch primer do ) or something that transports ANY moisture to the surface or otherwise away from the metal.
good vids by the way this is not critic just woundering
Great video, OSHA says paint cabinets have to be self closing.
So if I am painting something like wheel hubs or anything that does not require fillers but just a top coat then self etching primer in a spray can would be a convenient way to go. Right? Like painting suspension parts or even the rear end housing with say Rustoleum self etching primer would be perfectly fine.
I'm using steel wheels, and I was wondering if I can wet or dry sand self etching primer.
Great video thanks is it ok to put one coat of self 2k etch primer on then a couple of coats of epoxy on top of the self etch both panels I'm prepin have been no blasted back to bare metal I've only ever used self etch in past found it fantastic but I'd like to try epoxy on top of the self etch as a added bonus wat would you recon thanks
say i need to cover a welded seam and use kitty hair. Would the right procudure be scratch 36 or 80 then apply and level kitty hair,Epoxy car, then poly filler skim coat,high build primer? This is for the sail panel welds on a novas qtr panel. Thanks man.
Thanks for your video, just wondering what kind of primer you use for rust protection ? I have used rust converter on rusted surface, then applied body filler, now I am wondering if I should use Etch/ Acid primer on top of body filler, or I can use Urethane primer as a sealer then apply paint on top of it?
Appreciate your response on this.
Thanks
One uses reducer and the other one does not. This depends how thick you need the primer to be. If you are spraying a larger area, I would use some reducer so it does not spray out dry. If you are spraying a small spot, you can get by with the mixing ratio without reducer. At the end of this video, I have a link to the technical data sheet explaining the facts about 202. The link may also be in the description. Thanks for watching!
really hoping someone, maybe even Donnie can answer this for me as I cant seem to find anything on my specific situation. I have sanded down the factory paint using 180 grit sandpaper and have taken care of the bondo/bodywork (taking those areas down to bare metal before applying bodyfiller). Small areas throughout the body work have been sanded down to bare metal. I was told by my epoxy primer/sealer manufacturer to reduce the epoxy and spray it as a sealer but It may take me awhile to be able to fully spray those panels due to cold temps here still. So my question is can I use rattle can self etch on those bare metal spots and shoot the epoxy sealer directly over that and the rest of my scuffed original paint or will there be problems?. I keep reading not to shoot epoxy over self etch. Any help from anyone would be greatly appreciated.
I'm putting filler on self etch primer, should I be okay?
got some $10 rustoleum self etching primer at home depot. wish me luck
Slava Basat Oh really? Im wanting to paint my shiney chrome bath fixtures. Wonder if this will work.
can you apply paint sealant over epoxy primer ? Also i'm kinda confused but after applying paint sealant can you leave it and paint over it?
Those plastic mixing cups are garbage the scale on the side is wrong becouse the cup has a tapered top not straight up and down as the cup get wider the scale is altered Check it with a real cup that is measured accurately you will see how far out it really is...and it will alter your formula big time...
That is a great way of explaining epoxy primer and etch primer myself I mostly use epoxy primer instead of etch primer then do my bodywork on top of it even for putting on a over lap patch I will grind where the weld will be then weld even the patch gets epoxy primer underneath except the weld area to help control the rust... But check out the mixing cups scale it is wrong use a couple cups and fill all the cups at let's say for a two - one - one ratio use 4 mixing cups all set at one with water then pour them into one cup and see what you come up with.... The scale will be off...yet it is a 2-1-1 ratio that taper of the cup and scale is incorrect...
No, I have not used there primers. There have been some people tell me that they like it.
I use cold galv, etch primer, epoxy (2 coats) filler primer then base finally 2K clear. Ive never seen a panel rust after that, even after exposure to sea water.
crazy to think how many used strainers and tins are gonna end up in the ground and still be breaking down in 1000 years. Guess our “normal” life , comes at a cost.
Wanting to paint my kids bike. Handlebar looks like chrome mirror finish. If i wanted to paint it should i use self etch primer and so if , only need self etch prior to base coat
I have a small aluminum gun part “back plate of Glock” I can’t get anything to stick … self etch scratches on it… any ideas?
Hi is 2x Rust-Oleum® Professional Aluminum Primer Spray strong hold and good for aluminium
If you just want to use a spray can, you can buy 2K epoxy primer in a spray can (ie Spraymax, Eastwood, etc.).
I'm one of use por-15 for my undercarriage do I need primer or can I just put it on that way by itself and maybe later spray over it thank you again
I use POR15 as a primer on rusty spots before putting on filler. It is epoxy based and is sensitive to sun. You have to paint over it.
Thanks brother great video as usual, my issue is I have a small area where I sanded through you told me to use etch primer, then primer surfacer, then block with a 320... every time I block with 320 it takes the primer surfacer and etch primer off again... I used 3 coats of primer surfacer and a light coat of etched primer. I do have epoxy primer (beige color) should I try that over the bare metal then primer surfacer then block with 320 to see if I get a different result?? This is new to me and I’m NOT giving up help me please
Fred, here is a video response for your question. ruclips.net/video/I4mo3-aEmGI/видео.html
Car Addict Garage thanks big brother amazing as usual!!!!!
Yes, this will change the color. The best advice is to spray several spray out cards to see what effects it has and see which ones you like. Some color chip books also show you what it will look like with different base colors. Ask your paint supplier if they have something like this.
Yep. The only one question left, what the hell is "epoxy left etch" and if it can be used like a regular exoxy.
Great video, Donnie. I use DTM for large areas and aerosol self-etch on small things also.
Does seam sealer go on before or after the epoxy primer? Thank you for the explanation of the various primer options. It can be a bit confusing.
Did you get a answer
@@anthonymaniz1933 Yes. Thank you for asking. Cheers 🍻
I'm down to bare metal should I do seem sealer first.next question should I etch prime or epoxy prime first before body work I'm doing a Chevelle thank you
The best video, you should of been my high school teacher. I would of got an A I'm sure. Lol
acid etch is factually junk compared to epoxy, scrapes off with a fingernail.
What degreaser do you recommend before using epoxy primer on bare metal that had all of the rust sanded down?
Great video!my question is how to prep the proxy for primer o what tipe o primer and when to apply?thanks
Yes, you can use DTM on top of filler or metal.
Does epoxy primer have to be sanded before 2k primer goes over
Epoxy has a "window" when you don't need to sand it before priming or topcoating.
The window can be as little as 24hrs to 10 days depending on the product. Check the technical data sheet for manufacturer recommendations.
I've used body filler over old primer surfacers and other for years when you didn't have epoxy primer.
They had me 'till the end, when he finished mixing the epoxy the video cut to the ending sequence and you don't get to see how the product goes on, but i suppose its not necessary to see a spray coat lol
I'm attempting my first restoration and this video really helped me chose the first coat of paint on the bare metal!
What did you use and how has it held up?
@@theperson185 I parted out the car and scrapped the shell. I suggest watching some Motion Auto or Junkyard Dave videos for what they use when painting. I think you can just use a sealer primer or epoxy primer over bare metal and filler before moving to high build.
@@david929190 I'm actually doing over a semi truck frame, so im just doing my research intowhat will stop rust and be durable and resistant to flexing
@@theperson185 See Debos garage heavy duty and his frame re-spray on his cab over. Any decent epoxy primer should be fine.
if you've blasted the frame. Etch primer would be best used for new metal that is too thin to abbraisevly prep for coating adhesion. In the oil and gas piping world all pipe is blasted to a white finish and then epoxy primed before topcoat. A rusty old frame won't need etch primer as the surface is not smooth.
Great video. Say you missed the window to apply 2k primer. Do you use a maroon scotchbrite to prep surface for the 2k? what sand paper would be a good choice if not?
I created a video that I hope helps answer your question - ruclips.net/video/Gt624E830sg/видео.html
DTM works good too! However, it is not recommenced to apply body filler over DTM.
What about DTM over body filler?
I usually put body filler directly to the metal, then apply epoxy or self etch to any metal.
Hi. Can I spray etch primer over filler ?
this is good tips for my firs time God bless you
Can I use epoxy primer without catalyst? I buy primer together with catalyst, but one day later I found out my catalyst is harder than wood. Maybe because the container was plastic that sales man transfer to it.
I answered your question in this Q&A video. I hope you find it useful. ruclips.net/video/eAxFFMwS754/видео.html
This is my method, is this Ok?Sand paint to expose metal,(80grit) Then apply 1k etch primer. Scuff that back, then apply High Build 2k sandable primer. Then sand that ready for paint.... Is this ok?
Technical Noob Question: What about both? I noticed you stressed the word "OR" when talking about self-etch and epoxy, but can you put self-etch down and then epoxy over it for like super-awesome corrosion control? Please excuse my naivete, I really don't know what I am doing and thought I would ask. Thank you for your time and pointers.
+Keith Kie You could, but both provide good corrosion protection. I don't know if both together would really provide more corrosion protection or not. I prefer epoxy, but that is just a personal preference. Hope that helps, thanks for watching.
+Keith Kie Theoretically, the only one that is providing corrosion control is the layer in contact with the metal.
What would be best recommended for aluminum...? Epoxy or self etching...? Thanks..
If you're doing a complete panel I prefer epoxy.
I sand my hood down to bare metal, and I did some body filler work on it directly to metal. Now , do I need to use self etching primer and also a top coat of other top primer.? I cant find poxy prime around the area where I live. Thanks! Great video
can you paint directly over the etching primer. or do I have to apply a surface primer
What is the difference between wish primer and etch primer
Good
Think the best videos on RUclips. Excellent Thank you.
what brand of epoxy primer is good or is it all the same thanks
Just a quick question about 2K DTM that you mentioned in passing, what are it's disadvantages over straight epoxy? Thanks!
Definitely curious myself
thats where i get confused i have some clean metal spots and black rust spots also...after wax and grease remover what should be done to the bare metal...should it be prepped or just hit it with epoxy
Can you add them both over a phosphoric acid prepped surface
Yes I believe that is fine. I asked Eastman yesterday concerning their spray-can version of epoxy primer.. good for 4 days after activating the bottom mixer plunger.
This is the video I needed to see. Thank you.
Hey Mr Smith. You are a blessing.
I've learned a lot from you and I'm grateful.
QQ: I paint just wheels. Curb rash and sometimes whole wheels.
Is epoxy primer the only primer that I'll ever need?
And is there a can primer that you'd recommend for quick spot repairs on wheels?
Happy Easter and thanks in advance.
I working on a beat up 92 Ford F250, finished body work on the hood and applied epoxy primer. Wouldn't you know it I missed a small ding, can I apply bondo directly over the epoxy? Also I intend to apply a high build primer, how long can the epoxy primer sit before applying the high build primer?
@DIY Auto Body and Paint Do you know if ZINC primer is better than etch or epoxy? and if the primer was applied by hand brush instead or sprayed would it perform better as more product is going on?
I know some weld-thru primer have zinc in it, but I am not to familiar with zinc primers. I would not brush it on unless the technical data sheet for the product you're using recommends it. I know some of the POR15 products can be brushed on.
Id say no, I have tryed it on bare metall. For starters if its brushed on it will require sanding, and it will just cluddle? up the sandingpapers alot. And it tends to leave a ridge in the feathering that can be felt if there is bondo applyed on it, as most weldings do require after. Have I been confusing enough? ;)
When in doubt, always use a 2k product over a 1k.
My 5 cents
I would only spray zinc. You can brush and roll zinc but I wouldn't do it for automotive use. Better to spray if your gonna use it for cars. I'm an industrial painter and zinc was usually sprayed. When brushing and rolling, you may end up with fingers on the over lap. Not to mention sanding zinc sucks. Hope this helps
thanks for answering, what if i did paint zinc paint on but on top of that as another coat sprayed on primer surfacer to level it out, then the basecoat paint then clear, would that work?
I'm looking for excellent corrosion protection, hence why i thought brushing/painting on would be better than spraying as would go on much thicker, what are your thoughts?
I was going to ask abou zinc primer but you beat me toit.
I really like your teaching style. Thank you for sharing. I'm newb and getting ready to do my own fender flaring body work.
Thanks for watching!
Also can you spray the epoxy just to seal the bare metal, if you aren't able to paint yet?
Thanks for the video, really helped me make my choice
I have slivers of bare metal that need to etch primed that are enclosed by sanded basecoat. Can I get etch overspray onto the sanded basecoat without negative effects? If not, how would I go about prepping these areas?
Newbie question here...
I bought 5star #5451 highbuild 2k primer and realized I may hit some metal seeing that prior owner used mystery paint and looks like he hand rolled the paint on haha. I’ve seen the prices of some etching primers and I’ve seen some $20 SEM or Upol aerosal self etching primers. Can I use aerosal self etching primer on exposed metal and then spray my urethane primer? Will it react and mess everything up?
Why would you ever need to use self-etching primer over a painted surface that's already adhered to the metal? Couldn't you just then spray a color coat after light sanding?
Hi Donny. Which Size Tip would I need to spray Epoxy primer? I only gotten a 1.4 tips would that work ok.
I've made a piece of furniture with Aluminium trim. I just want to protect the edge whilst keeping the colour would one of these work? It's 5mm x 500mm. It's a floor lamp so it won't get much abuse.
I have a flat sheet of metal that do not need perfection. Can you apply base coat over self etching primer thereby skipping the primer surfacer and the work to get everything perfectly flat?
I have been putting epoxy primer on bare metal for 40 years...mostly PPG DP and then the newer DPLF. I had to learn the hard way, stripped a car to metal and applied lacquer primer surfacer...this was in the 70s. A year later it was flaking off. I like the ability to apply body fillers over it. I guess Iam old school....I have put some DTM product on bare steel but not sure how it will stand the test of time. Tried to locate the Shop Line product...that I think is a off shoot of PPG....cant get it locally....they tried to shove Omni off on me. You did a great job a explaining the the products...
Can you tell us a bit more about the DTM primer/sealer? I have a can of it.
Also, I checked the can and the documentation and there's no window specified. Any reasonable estimates? It says I can sand after 50 minutes, but it may take a few days before I can topcoat.
I am Restoring a classic Peugeot 404. It’s in the body shop now. Must I go to bare metal on the whole car to get a show car finish?
Thank you awesome more on this it helps a lot
Can DTM be used with bare aluminum? I have a water fountain I want to prime and paint the area under the water. Can I use epoxy primer and then use epoxy with some color for a nice effect?
State there's three options: epoxy, self-etching, & DTM. How does the primer-surfacer & sealer apply to priming?
If i cleaned magnesium properly could i use 2k epoxy on it and not worry about it lifting off from escaping gasses getting though the magnesium/ aluminium?
Do i still need to add thinner when mixing the epoxy primer?
This may depend on the specific brand you are using. Or if you are spraying it as a sealer. If you need it to flow out better, than a little acetone or reducer may be needed. Ask your paint supplier for the specific primer you are using.
Thanks for breaking it down so perfectly, im a beginner and still have lots to learn, i do have 1 question tho, should the epoxy be sanded before applying surfacer?
I know this is an older video. Question regarding DTM. Direct to metal. Since this is a primer surface it also has a Self etching primer.
Now since this is a self etching primer you cannot use it with body filler that may need to go over it???
I belive the make this in a 1K and a 2K, eirherway.
My other question is this. Is s High Build primer the same as a High Build Primer Surfacer?
Also, is a Rapid Primer Filler the same as a High Build Primer or High Build Primer Surfacer?
Last question. I have a Black Metalic color on my vehicle. Would it be best to use a Black Primer and if they make it a Black Highbuild Primer Surfacer?
Can you mix the color of primers?
Sorry for all of the questions, I am very new to automotive paint but I really want to learn all I can to do the best job!!
The only primer recommended by many paint manufactures for applying body filler on top is epoxy. Yes, high build primer is a surfacer. And yes, a black primer would be best for black base coat.
@@CarAddictGarage
So the highbuild primer would then go on top of the epoxy primer and or body filler to act as a seal or is a sealer?
I don't have a paint gun so will be using spray cans. I am looking at Spray Max's system of primers, sealer, paint system. There atomization process from what I have heard and actual people who use and it's very good. Apparently, they advertise there spray can system has equal or better atomization and equal or better spray pattern than an actual spray gun.
None, the less I will be working on the inside lower surface of the right front passenger door, there is some surface rust.
I will be investing in a spray gun. The compressor I have is A 1.8 HP 20 gallon 150 P.S.I. VFM rating is 5 CFM AT 90PSI and 6 at 40 PSI. Because of this my options are limited.
So far I am looking at the IWATA LPH-80-124 with 1.2 tip.
Can you make some recommendations?
@@CarAddictGarage
In regards to the filler. Let's say I have to apply some small gold filler because of some small rust pits thst are in the bare metal. I have been told to lay down epoxy primer first them add any filler then add more epoxy primer and then on top of that a highbuild primer , then base then clear.
I also Bern told to add filler first then epoxy primer then highbuild primer etc..
So can you tell me which of these 2 examples I should use??
FYI. I was also told to use the color Grey abd not black because it's easier to see how everything that gets laid on top of that??
Thanks again
I saw your video and it was very informative. I am wondering if I can use the epoxy on a collectable loggers hand saw. I am a spray paint artist and received a request to do a cabin and mountain scene and new york skyline on stainless steel. Ive never painted on stainless steel before the dimensions of the 3 saws are 5 foot long 6 in tall in center, 5 inches tall by the handle at the other end 1 1/2 ' tall. That is the biggest one. The smallest one is 29 inches long and 4 inches center. Any kind of direction would be appreciated.
One question which is better way put epoxy primer first at the metal before put filler or after put the filler and sand it all area repair with plastic filler then put epoxy primer on the filler and metal and after dry put primer ????????
So whats the difference between a 2k primer and Epoxy primer? It's a bit of confusion.
if im building a caravan sort of construction, with spray foam being applied to sheet aluminium, what would be the best way to prime?