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Question:

What are the raw materials for producing plastic bowls and cups?

What are the raw materials for producing plastic bowls and cups?

Answer:

Mostly PP, PE, these two.
Sep 7, 2017
PP, the Chinese name is polypropylene. It is a fine kind of resin developed after nylon. It is a kind of linear polymer with high density, no side chain and high crystallinity. It has excellent comprehensive properties. Not colored, white, translucent, waxy, lighter than polyethylene. Transparency is also better than polyethylene, more rigid than polyethylene.
Sep 7, 2017
Now the plastic bowl is basically made of PP, the quality is better. What's more, the PP bowl can be baked in a microwave oven, and other plastics will not.
Sep 7, 2017
PE, the name at noon is polyethylene. Insoluble in water, slightly soluble in hydrocarbons, toluene, etc.. Resistance to most acid and alkali erosion, water absorption is small, at low temperatures can still maintain flexibility, high electrical insulation. Plastic cups are basically made of PE. Maybe it's because the cup doesn't have the higher requirements of the bowl, and PE is generally cheaper than PP.
Sep 7, 2017

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