What is oxidation? The structural characteristics and physical state of the polymer material itself, as well as the external factors such as heat, light, thermal

Biodegradable materials are polymeric materials that can be chemically, biologically or physically degraded or enzymatically digested by micro-organisms present in nature such as bacteria, fungi

1.The main extruder current is unstable Causes:(1) Uneven feeding.(2) The main motor bearing is damaged or poorly lubricated.(3) A certain section of the heater fails and does