PE coated paper cup is coated with a layer of food-grade polyethylene (PE) film, called coated paper.
Because polyethylene (PE) is a safe chemical, the national standard GB 4806.6-2016 allows polyethylene to be used as the paper cup coating, and the melting point of PE is about 120 ° C – 140 ° C, so the coated paper cup can also be used to hold hot water.
PE coated paper cups are divided into single-layer coated cups and double-layer coated cups:
Single-layer coated cup, only coated on the inside of the paper cup;
Double-layer coated cup, both inside and outside of the paper cup are coated;
The main difference between the two lies in the filling of cold drinks. We all know that water vapor precooling will condense into small water droplets, so there will be a layer of water droplets outside the cup of cold drinks. If it is a single-layer coated cup, there will be no PE film on the outside of the paper cup, which will absorb water and then become soft and deformed, which will affect the use of the paper cup, so the double-layer is better.
