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What are the differences between pvc and pet?

2022-09-27 18:07

As we all know, pvc and pet are one of the two commonly used plastic products. What are the differences between pvc and pet? How to correctly distinguish pvc from pet?


What are the differences between pvc and pet?


1. Different concept: pvc, which is the abbreviation of polyvinyl chloride. Pet is the abbreviation of polyethylene terephthalate.


2. Different appearance: pvc is transparent to opaque, and its quality is relatively hard. It is a material with calcium powder. Pet, with transparent surface, is made of transparent material.


3. Different properties: Among the shrink films, pvc is the most widely used standard film material at present, which has the advantages of low cost, good permeability, moderate shrinkage, etc., but it requires high heat source. Pet is the largest (up to 80%), so this material can be used for bottles with complicated shapes, and the temperature and shrinkage changes are relatively gentle.


4. Different environmental protection performance: pvc, which produces acidic substances during combustion, does not contribute to environmental protection. Especially in some foreign countries, its use is prohibited or restricted. Therefore, compared with pvc, pet is more conducive to environmental protection.


5. Different uses: pvc, mainly for pipes, toys, doors and windows, stationery, etc. Pet is mainly aimed at electronics, automobiles and other industries, such as coil frames, televisions, lampshades, relays and so on.

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