What is the difference between cast film and PE film?

Cast film is a non stretch, non oriented flat extruded film produced by melt flow quenching. There are two methods: single-layer drooling and multi-layer co extrusion drooling. Compared with blown film, its characteristics are fast production speed, high yield, and excellent transparency, gloss, and thickness uniformity of the film.

PE， The full name is Polyethylene, which is the simplest structured polymer organic compound and the most widely used polymer material in the world today. PE protective film is made of special polyethylene (PE) plastic film as the substrate, and is divided into high-density polyethylene protective film, medium density polyethylene, and low-density polyethylene according to different densities.