High quality food grade PP plastic sheet roll for Microwave oven

Description of High quality food grade PP plastic sheet roll for Microwave oven

Polypropylene, a kind of plastic, is a linear polymer with high density, no side chains, and high crystallinity. It has excellent comprehensive properties. Common products: basins, barrels, furniture, films, woven bags, bottle caps, car bumpers, etc.

pp plastic, chemical name: polypropylene English name: Polypropylene (abbreviated as pp) Specific gravity: 0.9-0.91 g/cm3 Molding shrinkage: 1.0-2.5% Molding temperature: 160-220℃ PP is a crystalline polymer, PP is Comprehensive performance is better than PE material. PP products have light weight, good toughness, and good chemical resistance. Disadvantages of PP: low dimensional accuracy, insufficient rigidity, poor weather resistance, it has post-shrinkage phenomenon, after demolding, it is easy to age, become brittle and easy to deform. In daily life, the commonly used fresh-keeping box is made of PP material.

PP polyester is a kind of amorphous, its melting point should be above 220, and its heat distortion temperature should be about 121 degrees, but since it is a macromolecular polymer after all, the higher the temperature, the more likely it is that small analytical oligomers will precipitate Most of these substances are not good for human health, and according to the customer’s use, the general boiling water is 100 degrees, so the general plastic cups will not be labeled with more than 100 degrees.