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Polyethylene (PE)
- This topic has 3 replies, 2 voices, and was last updated 2 years ago by
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Hello to everybody!
I’m starting a Precious Plastic project and I’m excited.
I read and heard in Daves videos that one of the plastics easier to work is the Polyethylene (PE), which is supposed to be the most used plastic of all. From this, I investigated and could not find information that I think is important … or maybe not so important. I hope you can help me.
1. In what group is the PE? Is it type # 7?
2. In which products can PE be found? I searched all over my house and found all types of plastics (including PET, LDPE, and HDPE), but not PE as such.
3. What does Dave mean when he talks about recyclable PE in his products or machines? Is it specifically PE or does he refers to its variants (PET, LDPE, HDPE)?
I will be very grateful for your comments.
Peace!
PET (Polyethylene terephthalate) is not the same as PE and it’s properties are quite different (harder to work with).
HDPE is type 2 and is common in household bottles, containers and their lids.
LDPE is type 4 and is often used for thin plastic sheets such as carrier bags and wrapping.
Both LDPE and HDPE are Polyethylene, just different size/shape molecular chains. (there is also LLDPE, MDPE and UHMWPE, all are different types of PE).
Probably HDPE, as it’s most common and easy to use.
HDPE (2) and LDPE (4) are both types of polyethylene. There is no symbol for just PE.
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