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02
2019-04
Eternal blister machine: the specific difference between various plastic products
Today, Eternal Sheng Xiaobian will share with you the specific differences between plastic products. If there is anything unclear, it doesn't matter. Please go and have a look with Xiaobian!
Polyvinyl chloride (PVC) appearance; transparent to opaque, hard, softening or melting temperature range: 75-90 ℃;
Burning fire melting state: yellow under green with white smoke and pungent sour taste;
After leaving the fire: the fire is extinguished and becomes brittle after burning.
Polystyrene and polyethylene (PP and PE) appearance: translucent to opaque, texture transparent film.
Combustibility: Combustible in flame. After leaving the flame slowly extinguished or continue to burn. When burning, the upper end of the flame is yellow and the lower end is blue; there is a phenomenon of melting and dripping, and the smell of paraffin can be smelled.
Polyester resin (PET) appearance: transparent. Combustibility: flammable, leaving the flame to continue to burn, near the flame that is melting, melting, leaving the flame can continue to burn, a small number of smoke, there is a very weak sweet smell, ash hard round, black or light brown.
PVC is polyvinyl chloride, PVC film toxic aging
PE polyethylene, five toxic, low cost, the amount of province.
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