Plastic bottles are generally marked on the bottle body, from No. 1 to No. 7, divided into seven categories, by the relevant agencies of the US plastics industry to develop. So that people do not bother to learn the similarities and differences of various types of plastic materials, you can simply join the recovery work. The ranks of these 7 are listed below:
PET (polyethylene terephthalate)
The container made of this material is a common plastic bottle filled with soft drinks, also commonly known as "PET bottles."
HDPE (High Density Polyethylene)
Containers for detergents, shampoos, body washes, edible oils, pesticides, etc., are mostly made of HDPE. Containers are mostly opaque and feel like wax.
PVC (polyvinyl chloride)
Used to manufacture water pipes, raincoats, school bags, building materials, plastic film, plastic boxes and so on.
LDPE (Low Density Polyethylene)
Plastic bags everywhere to LDPE manufacturing.
More used to make buckets, trash cans, baskets, baskets and microwave food containers and so on.
Due to the low water absorption, it is mainly used to make building materials, toys, stationery, scrolls and fast food cup boxes or disposable utensils. No. 7: others.
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