How To Recycle HDPE Plastic To Make Parts! Trash to Treasure, Part 2!
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- Опубликовано: 29 апр 2017
- How To Recycle HDPE Plastic To Make Parts! Trash to Treasure, Part 2!
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Is there any concern about any gases or other chemicals that might be released while heating it up?
My understanding is it doesn't offgas unless you burn it. I have not confirmed that, if you find out something else, I'd like to know.
HDPE stands for High Density Polyethylene. When heated strongly it breaks down into high molecular mass hydrocarbons which are similar to hydrocarbons present in wax. It's completely harmless.
No.
I used your idea and formed a piece of body trim molding for a vintage truck. I melted down the HDPE and once it was formable I placed in the metal trim piece from the one original piece I had. It worked perfect. I was then able to use chrome paint and a little trimming of the material and it worked really well. Thank You for the idea and video.
I love this! Give new life to all those cracked & broken fivers you have lying around. No need to send them to the landfill just 'cause they can't be used as buckets anymore. Thanks for this awesome idea.
I'm sure you can patch them with some of this stuff melted down.
I put a steel bar in milk jug HDPE to make a magnetic bar for a magnetic stirrer made from a cpu fan and powered by a old computer power supply.
Great job. Nicely done. Not so difficult, better recycle than buy new.
HDPE is moulded in two ways. If it has side seams it has been blow moulded, this is to make bottles and containers. If it has a pip on the bottom like a bucket, then it has been injection moulded. Each type of manufacture requires other additives, blow moulding requires agents that allow the HDPE to stretch, injection moulded contains flow improvement agents, these will affect how the HDPE acts when recycled.
Hi, don't know if you will get this as the thread is old. Many videos on HDPE, but only one mentioned that some samples seemed to 'flow' better than others. The 'non-flow' type included milk bottles, the very thing that most people start with !! Your info suggests exactly that - milk bottles are blow-moulded and lack flow agents. So we need to source injection moulded samples. Thanks for that very useful tip.
Thanks for this tidbit. Really helpful. I wonder what a hybrid recycled hdpe block would be like? One that is say, sandwiched with alternating blow molded and injected molded types. I bet it would be super strong and flexible. Do you know if the layers would bond well? I'll have to try it sometime.
@@thadeousbella4107 have seen a video here of somebody doing a mallet with 2 different colors of plastic (white and gray) and twisted it on a way to get a damascus steel look on the hpde mallet.
To block-form your plastic, heat it in your first non-stick bread pan, then using a second identical non-stick bread pan weighted or by force wearing hand protection, place the second bread pan into the first ontop of the melted plastic. This will make a nice smooth brick of plastic, the thickness you can control by how much plastic you melt. Non-stick pans with more vertical than angled sides will give the best results.
Good stuff - thank you!
Intrested in this, as I recently used to work in the plastics injection moulding industry, perfectly safe heating it to around 350°F (about 176°C) we processed these types of plastic at around 180 to 220°C or 360 to 430°F.
Yes, I rather think the temperature is a tad low. In the UK we usually use centigrade and the target is 180 deg.
good video. very nice re use for the hdpe plastic. thank you for taking the time to share.
Interesting video. You can use baking parchment paper to line your pan and plastic will not stick to it. It doesn't burn under 450 degrees.
Awesome! If you have a lathe and a mill the things you can do with this is virtually unlimited. I've started getting into metal forging and plastic casting for recycled parts. I need to start posting to RUclips.
“tinkering” 🧚🏽♀️🧚🏽♀️ I ❤️ it
Excellent video. Really good camera angles and work. Great clear and good volume of sound
I have used same setup except to press I used a second bread pan to press into the first, same size to get tight fit...also, country tme donuts gives white, flat sided pales away free or to landfill...take your pick
K Hal : Free is better. There's to much that is wasted that goes in landfills.😉
You don't have to go to the trouble of making a plug. Just make a solid plate from an unmelted piece of the same bucket. Plate would be the same size and shape as the piece you made. With the two mounting holes in it. Come down to it, you really didn't need to melt anything at all. Just make a series of plates the same size, with the two mounting holes in it. Drill holes in the center of two that are the same size as the bolt. And drill holes in the center of two or three that are big enough for the head of the bolt.
Of course there are other ways, this was just a demonstration of working with HPDE. OK?
Nowhere near as effective or strong as melting it.
THIS is COOL!! I often have a need for junction blocks like that, and this technique allows one to make whatever size junction blocks, ones with more than one stud, etc. easily and cheaply at home. THANK YOU! Subscribed.
This is fantastic! All the HDPE plastic items I have been throwing away. I am going to start making some things with them instead.
Next step I want to see you do is extruding HDPE filament for 3D printing.
that works for me , just what I need . Thanks for sharing
Great job, thank you sir.
Very interesting I must say !!!.
Thank you Sir, for the information in part 1 & 2. The information provided helped me with my project.
This may have been brought up already, but try using parchment paper to line the pan and along any forms and weights. Makes cleanup much easier.
This is awesome! I have to try this.
great learn .....well taught.
Awesome! Great project.
Awesome!!! Thanks for the education
Smart idea. Good thinking.
Dude what a great video!!! All kinds of ideas from that, THANK YOU
Thanks for sharing this video with us.
Good idea, thanks. Do make more such videos!
Thank you so much for sharing this! Been thinking of making some braces since all the ones I can buy suck or are super expensive. Have you tried any other types of plastic?
Great video!, Thanks for sharing
You can also use a wood block shape with "baking paper" for compressing the HDPE. An english teen came up with that one. very smart.
A simple solar cooker heats up to 325f - I wonder if I could recycle hdpe2 in one
Awesome! Appreciate this! :)
Super cool.
Did you make your fishing rod handle ? I'd like to see that.
Great! Thanks.
Have your tried parchment paper instead of a cooking release spray?
That was neat!
Good job.
Well done. Would it been faster to make the part with a mold?
We had to wait for a year for part two? Sure hope there isn't a part three!!
Coming in 2024.
@@onjofilms 😹😹
Great video.
How does the finished product hold up to heat and will pressure cause it to crack ?
I think that if you put the pieces through a shredder it would melt down and fit more mold options.
I've seen people use plywood to make a mold, then char the surfaces that come in contact with the plastic. It's great for clamping, or putting into a press. If I'm not mistaken, good wood can be used as the melting vessel, as wood has a higher ignition point than HDPE's melting point.
I dropped my Alarm remote and the cover for the battery smashed to the point it would not go back on I ended up grabbing some popsicle sticks from the dollar store and 5 min epoxy Which really came out nice ..However i have a need for a part on my trucks center console (where it shows the gear its in) it has springs to keep the shift indicator arm up ..This why i'm here ...Thanks for the posting
I’ve got a fairly smooth bottom too.
Put the melted plastic clamped down in a freezer. The plastic will shrink and the heat sink will just fall off. The plastic blocks may be re heated as many times as you need to form and shape them as required. Work in a well ventilated area. The plastic will give off a gas. It makes some people a bit sick to their stomach. Just go to another room or outside for a good dose of fresh air.
When he squeezed the plastic through holes in the heat sink nothing was going to fall off then. I'm impressed he got it off. He must have took it apart before the HDPE fully cooled.
Larry Lund Actually those broke off right away when I pried on it with a hammer. They are pretty small holes, was never worried about that. Where it overlaped around the edges was where the issue came into play.
1D10CRACY HDPE is some tough stuff. At least blow molded HDPE is. That injection molded bucket plastic is more flexible. I don't melt injection molded HDPE anymore as I like the properties of blow molded better. Blow molded HDPE is harder, and slicker.
1D10CRACY
Just so you know: there IS a limit to home many times you can melt and reform most plastics. Without refreshing my memory via google, I seem to recall it is about 6 times for most plastics. The heating and cooling changes the structure of the plastic to the point it loses it's structure. I know some become quite brittle.
hombre pues en un escenario postapocalíptico aún
Thanks for the video. I have been racking my brain, on how to repair a dash on a 72 vega I own. Someone cut a couple of holes in dash, and screwed up. Wanting to mound plastic, and paint to match. Next problem is to match the grain.
Scott West Years ago,they had a kit or iron with the proper texture so you could match the texture of whatever it is you were patching. The stuff came in a color matched tube,you squeezed out a bit into the hole then layed the pattern over the stuff and used an iron or pressure,I forget which. It wasnt perfect but worked. I used it once a very long time ago. It may have been a vynal patch kit for seats too,I just dont remember thst part of it. I do know I used it on my dash and it worked!
I remember that stuff, worked great. You're right though, it was a liquid vinyl and came in several colors and you mixed it up to get whatever color you needed.
Very good idea~~!!! Thanks for sharing! But Oven is destroyed!
Did you happen to try using a router or shaper on this material ?
How does this smell after the plastic is melted? Is it too strong to be done indoors?
Smells like melted wax.
If you intend to make multiple bread pan size bricks, you could use a second pan on top to press down on. As tools are leaving impressions, you could leave some plastic inside the top pan for anti-deformity support. Pull out another piece to support the bottom pan before clamping. Of course, milling makes all that unnecessary.
Thank you!
Cheryl Olsen I
😯 Nice bro
¡GENIAL!
This is workable.
nice video
Nice video, very normal and unpretentious.. I was thinking, if you had a large candle you could easily carve your object from that; encase it in hard plaster with a prue hole; stick it i the oven held upside down to melt out the wax & harden the plaster then fill it with molten hdpe to create your moulded plastic product. The plaster can be washed away in a bucket of water leaving only your item.
Since it doesn't liquify when melted, make sure your mold allows you to press the viscous plastic into all spaces in the mold and avoid undercuts unless they also have sprue holes for trapped air to escape through.
Cool as. Subbed.
What about your fishing pole handle? Did it work for that too?
+kombiphotog Never got to making one, maybe another time.
That better be the next video! Lol
This kinda makes the point of how easy and inexpensive products really are to manufacture. So, why are we paying so much money for easy and cheaply manufactured goods?
Well, he DID use a $5.00 bucket to make a $2.00 part. Not to mention the cost of the electricity to get it to that point hehe I discovered this too while trying to use melted soda cans to salvage the aluminum: I found I was using $10.00 worth of charcoal briquettes to get $5.00 worth of Aluminum.
BTW: you're NOT paying a lot for cheaply manufactured goods. You're paying market price.
Just remember: the mold to make the pill bottle in his last video probably cost $80,000.00 to make. So not counting the labour, energy, machine, etc, it would cost $1.00 per bottle for 80,000 bottles.
@@muskokamike127 ....but what if he got the $5 bucket for free?
@@VegasRT500 then that's good......I actually started scrounging around for HDPE to make stuff out of, the only thing I found was a detergent bottle and a couple of bleach bottles in my place.
@@muskokamike127 that's misleading dude, yes when you do small project you kinda defeat the purpose of it unless the part you're making can't be found on the market, but if you going to make it a business then you'll not melt 5$ and expect good ROI...
there is a bep that you should surpass that most business rely on and use it as a refrence and that's why sometimes you hear a manufacturer needs more time to make something routinely easy for them, that's because they keep stacking offers to make it profitable the more you invest = the more you save = the more you profit.
that's why most of the times hand made things are more expensive but more durable.
cool.. subbed
Can you use a old toaster oven that way your not consuming dangerous off gases
well played
Nice.
the bolt and holes can be cast in place.
I’m pretty sure this guy read my mind
good man
A shop press is what I use
What about a spray of WD 40?
That looks like an electric oven. Would be nice to use during the winter days, it'll kinda heat up your home a little. But to save a few bucks on parts, you spend on electricity.
Ok, good to see people trying to decrease the mountains of trash, recycling would be very very helpful
Your obviously not married putting that in your home oven. Lol
sprinks sprinkks Maybe he did it when she was out. Haha
Or he's married to someone who is as much of a science & engineering geek as he is.
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Polyetholine is used in water mains and service pipe. This is extruded through a die. So yes you can extrude polyetholine.
That's ironic, a heat sink in the oven. It's kind of like the way sponges grow in the ocean. But this was a neat experiment with great results. Looks as though the saw didn't quite make a melty mess on the edges either. Unless you trimmed all that off before showing it?
The saw blade actually did a Surprisengly neat job. I did flash it with some heat with a propane torch to polish it off.
Best way to use this stuff is in granular form and use an injection molding system
I think I saw HDPE plastic made moldable using acetone. When the acetone evaporated the plastic hardens again.
Hmm, seems like it is ABS plastic instead. But when I saw it before they used milk jugs.
Watch watch was that you were wearing?
Its a Pebble Time. amzn.to/2yjHvg0 They actually got purchased by Fit Bit last year.
1D10CRACY Thanks!...
Here's a clue, of course it's workable, it arrived in perfectly molded products. :)
Great idea, will give it a try, maybe someone can make something like a glue gun.
Save your glue on the bottom plugs - just heat up the plug with a propane torch and it will glue itself .
if you want to know more about hdpe plastic you should go check out Peter Brown he dose some stuff with it
+Clarence Pease Yes, I follow his channel too!
1D10CRACY
1D10CRACY could you do the same thing to make the balloon part of the world war 1 bomber please
Nice video, but wheres the fishing rod! This work really needs some high-temp gloves. You seem to be wearing leather-based mits. I suspect the plastic, being sticky, will collect lots of fibres. I am hoping to acquire some 'silicone' gloves
You don't have to melt the plastic. Just glue and layer your squares into workable laminated blocks ! Cheers!
Can you recommend an adhesive for such a task? HDPE is impossible to bond
how can you make detailed things even if you don't have all the special equipment
+Manga Lover Sometimes I make my own special equipment. LOL
1D10CRACY that's awesome and thanks for replying I love making things so I wanted to try my hand at something new
Manga Lover
I plan on making a modeling clay model, and pouring plaster of Paris over it. Let it set up, and dig out the clay.
And then sand the inside of the plaster mold. And then completely dry out the mold by putting it in a 200 ° F oven for a day.
And then preheat the mold with the hdpe, and then press the plastic into the mold...
That should work.....
Any idea what temp you need for it to be pourable?
+InsideOfMyOwnMind My guess is it will burn before it becomes pourable.
1D10CRACY Yes, this is where a good grasp of polymer science could come in. There may be an additive that would make it less viscous at temp.
175 degrees is a good mix between pliable or viscous enough to work with, and lowest release of gaseous chemicals from plastic. FYI, milk bottles are a common source of this plastic.
InsideOfMyOwnMind If you fill it with vegetable oil before puting it inside oven you get what you want then you need this steel syringe to suck liquide plastic n inject it to your two half mold
Where do you find an oven that goes to 350 C ?
350F
Ahh,... might want to be clearer in future, most of the world is metric, so anyone copying this activity may be using an oven set a lot hotter, risking their safety.
wood is easier and not toxic, renewable as well
You should use wood then! I'm not a fan, as I don't like the idea that when it absorbs water, it can become conductive. What do you think about PLA plastic? It's non toxic, made from corn and eventually decomposes. It would also last longer than wood.
Man don't cook no food in that 😂
Got to wonder what the next roast chicken is going to taste like.
+EVZebra It didn't taste like chicken!
LOL yuck
👍
Many bottles that stuff comes in are made of it. I would just rinse them out really good before I use them to avoid contamination problems with the plastic that would cause a problem. If it is a clear bottle, it is probably PET instead unless marked otherwise and often soft drinks come in bottles made of it.
This works with all those left over Walmart bags that monopolize one or two kitchen drawers also.
This stuff is too valuable to be littering up the world.
I’ve made some very useful household items with it.
Beware of trying to work polypropylene with your hands.
It doesn’t achieve the same workable plasticity as hdpe or ldpe.
It looks like it’s still solid until it liquifies. You only need to get it on you once
to feel the need to warn others about it. Super nasty.
Even with gloves, it sticks to them like superglue.
You can use it, but it’s very different.
Why not use another one of the pans to push the plastic down it will be the same size if you buy the same one
should have tested it to see how brittle it is, or isn't