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Plastic raw materials:

Polyethylene PE: food package, industrial, agriculture,etc.
Polypropylene PP: microwave oven box
High Density Polyethylene HDPE
Low Density Polyethylene LDPE
Linear Low Density Polyethylene LLDPE
Polyvinyl Chloride PVC
General Purpose Polystyrene GPPS
Ethylene-Vinyl AcetateCopolymers EVA
Polyethylene Terephthalate PET
Polyurethanes PU

Different plastic ingredients are different, but all have n
PE plastic:-[-CH2-CH2-]n-
PVC plastic:-[-CH2-CHCl-]n-
Polyacetylene plastics:-[-CH=CH-]n-

molecular formula of Polyethylene PE

The chemical name for plastic is polyvinyl chloride, or PVC. It has the chemical formula CH2=CHCl. The equal sign indicates a double bond. So it’s two carbons double bonded to each other with one carbon that has two hydrogens and one carbon that has a chlorine and a hydrogen.

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