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Food packaging materials is introduced, — The CPP film

by：Kolysen 2020-12-12

Food packaging materials is introduced, — The CPP film packaging is generally composed of three layer composite material. Small make up today to introduce one of the food packaging materials - — CPP film CPP cast polypropylene film is a kind of polypropylene film without drawing, non-directional, it and polypropylene film, it has the following characteristics in comparison with polyethylene. 1 water vapor through the amount is lower than PE, CPP, good moisture resistance. 2 is higher than PE film, CPP transparency and gloss, high stiffness, and built-in small friction, can keep the transparency, and therefore the goods packaged goods, display effect is good. 3, CPP film heat resistance than PE ( Is also a kind of food packaging composite material) High, resistant to over 100 degrees cooking and cooking varieties resistant to 135 degrees. 4, CPP film good oil resistance, packaging contain oily food. 5, thickness uniformity, good thickness error is 4%, is out of reach for blowing plastic method. So many high temperature cooking food packaging will choose the CPP material in the majority.
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