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PET molecular formula is highly symmetrical, and has a certain degree of crystallization tendency ability, so it has high demulsification and concealment. Pet has very good electronic optical properties and aging resistance, and amorphous pet has excellent electron optical compatibility. It is a high-grade raw material in disposable cup. However, due to the problems of raw materials and manufacturing costs, the application is not very wide.
Advantages of disposable pet Cup:
1. It has excellent mechanical properties, the impact strength is 3 ~ 5 times of that of other films, and the folding resistance is good.
2. It is resistant to oil, fat, dilute acid, alkali and most solvents.
3. It has excellent high temperature and low temperature resistance performance, and the mechanical equipment performance is not affected by high and low temperature.
4. Low gas and steam occupancy, that is, it has excellent gas barrier, water, oil and odor performance.
5. It has high transparency, can block ultraviolet rays, and has good luster.
6. It is non-toxic, tasteless, with good environmental health and safety, and can be used for food packaging immediately.