Two Kinds Of Quality Problems Of PE Stretch Film

PE stretch film is now used in many industries, such as the digital industry, packaging industry, chemical industry, and so on, with the coming problems are more and more, especially the quality problems. Because the competition between manufacturers is becoming more and more fierce, the raw materials used by manufacturers are becoming cheaper and cheaper, and the quality problem is becoming more and more serious. In order to improve the awareness of the film quality problem, the following two kinds of quality problems:

1. Crystal point problem:

Crystal point is a common quality problem of PE stretch film material. Crystal point refers to the small pits on the surface of the film material, also known as bright spots. It is mainly common on the three-layer stretch film material. Is to protect the membrane surface.

2. Rainbow pattern problem:

Rainbow pattern is now the membrane material often encountered problems, because the surface of the membrane material to undergo hardening treatment, hardening is to undergo high temperature treatment, so it will form a strip of color stripes on the surface of the material.

PE stretch film quality is uneven to remind you