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Recycling HDPE: An Optimized Method
Plastic milk cartons made from HDPE can be easily melted down for reuse without releasing harmful vapors or odors. However producing a solid material that can be machined is a bit tricky. The method I found to be the most effective is to use a makeshift piston to compress small pieces into a solid block which can be easily turned on the lathe.
Пікірлер: 41
I see "method"- but where is the "optimization"?
@aussiezombie
5 жыл бұрын
I use a paper shredder for milk bottles. I spent 5 mins using scissors and gave up.
Thank you for sharing. This video got me thinking and I’ll be trying something with recycled plastic soon.
I have mostly been using empty soup cans as forms for blanks and compressing the HDPE with C clamps, but I am hoping to come up with a more consistant method. I just use my regular oven.
That music is beautiful and reminds me od Edward Scissorhands
@fringestream990
4 жыл бұрын
Pedro Oscar yup, I had the same thought
Great video. It would be better to use black pipe. Galvanized items can give off poisonous gases when heated
@thehutchworkshop5891
Жыл бұрын
Heating it to hdpe melting temp won’t mess with the metal much
yesterday i had the exact same ideas , shown in this video xD same pipesize and so on lol but i would thought that maybe a cylindrical weight of iron on top of the plastic might be beneficial because it pushes the material down while its melting. (not airtight) maybe a adjustable metalspring can be added
Why don.t you heat the bottles with boiling water to take off labels it will yield more plastic. This works for me.
@KamiCrit
3 жыл бұрын
That or a heat gun as well
i like to make plates with a bottle jack and a form
Knew shit was getting real when u brought out the toaster oven
I saw the temperature was about 350, but what about time? I wish you'd given an idea on that, knowing it would vary with size.
@nullsnaggle5198
3 жыл бұрын
The optimal temperature is below 160°c not positive on Fahrenheit but that black bit on the bottom was the plastic burning so if you don't want that to happen try 160° for until it is squishy
@John-gj1jr
3 жыл бұрын
@@nullsnaggle5198 OK, thanks. 160 C is 320 F, so I'll start somewhere below that.
@nullsnaggle5198
3 жыл бұрын
@@John-gj1jr good luck my man
What do I do with the cylinders of hdpe? Melt them again for another purpose?
@SnowmanTF2
5 жыл бұрын
Cylinders seem best for if you have a lathe, which then could make various items from the cylinder blank. Otherwise, they can also be formed into blocks or sheets, then basically any woodworking tool could be used on them.
Is it possible to melt HDPE fluid enough like melt aluminum to pour into a cast?
@kendarr
5 жыл бұрын
Nope, HDPE will go as further as a very sticky gum, imagine a piece of gum that was left in the sun and you step on it, kinda like that, i belive the only plastic that gets to a fluid point is PU in resin form, such as used for making skateboard wheels, usualy plastic is molded in injection machines that, well inject that soft plastic into a mold
@mavigogun
5 жыл бұрын
Injection under pressure is necessary.
Can this procedure help me to store HDPE and reuse it in other projects? Thanks in advance
@jacobkudrowich
4 жыл бұрын
Yes?
Nice and fast
Less than :30 in.......That's wayyy to much fuckin' work. Throw those jugs in your Dad's office paper shredder!😁
The amount of time and energy used in this video does not equal the output
Is it POM?
@sexyfacenation
5 жыл бұрын
It is hdpe
i dont feel ok putting wood in an oven/toaster oven
@helmsscotta
5 жыл бұрын
It's fine as long as you keep it below 450°F.
@eugenetswong
4 жыл бұрын
Just make sure that the wood contains no extra chemicals.
@thefrankperspective4247
2 жыл бұрын
Remember the book Fahrenheit 451? That's the temperature where the books burn. As Scott said, 450 and under, and you are good to go, ALTHOUGH it should be noted that, unless you keep a VERY close eye on your oven's calibration, you want to stay far below that. You might see 437 degrees, but it's actually 452, and that's a massive problem. This is about 330 though, so you'd be fine, as long as (Eugene's point) it's not pressure/chemical treated.
But I need bricks not tubes
@devinmanor74
4 жыл бұрын
I saw someone using bread baking pans. They just cut a rectangle of wood and pushed down on that. I used a soup can and just let it cool for an hour, the HDPE pulled away from the sides and easily slid free, so I think that should work on the bread thing too.
That's a whole lot of cutting by hand there
An optimized method would be using a blender.
@TheBaconWizard
Жыл бұрын
Doesn't work. A meat-mincer does though.
I must be funny because your Laffin. Also where is the optimization, you still have to shave some off on the lathe and if I wanted to get a clean cut of HDPE i could just mold it then sand.
what? your goal?
I didn't know you could put steel in a microwave