What is the function of the PE coated paper used for food packaging ?

First of all, I will tell you about the material of the film-spraying paper : the PE coated paper is a composite material which coats the plastic particles on the surface of the paper by tape casting machine. The main feature of the PE coated paper is that the composite material can be grease-proof, water-proof (relative) and heat-bonding. Different uses have different characteristics: when used to pack hamburgers, fried food series, take its grease-proof characteristics, grease-proof effect is good.