What is the cause of bubbles in the plastic bucket

- Feb 16, 2021-

First: In the process of plastic barrel production, it is possible that the screw barrel may be cut off, causing the screw to run idly and generating gas friction. During the process of injection, the saturation of the raw material will change.

Second: The reason may be that the material has been stored for too long, the material is damp, and some moisture exists.