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Question:

Which plastics are safe to burn?

I want to burn plastic for molding and experimental stuff. But I need to know which plastics are safe to burn and which are meltable. I know there is 1,2,3,4,5,6 and 7 but what are they really called and which are safe to burn and also meltable. Thanks in advanced.

Answer:

All plastics will release poisonous fumes when burnt. The way the industry does it is by heating it up very slowly to a precise temperature where it starts to turn into a liquid, not a gas. I've used acrylic before to make some cases. Its a hard plastic and can be heated with machines to bend and shape to ones desire. It is always a good idea to use a respirator or be in a well ventilated area because the plastic will give off fumes

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