UPVC pipe common problems and their solutions are: pipe surface defects

20 Jan, 2025

• Such as wrinkles, moire, black lines, scorched, matte, etc.

• Cause: improper adjustment of traction speed; improper temperature control; insufficient material decomposition or plasticization; improper material of mold or sizing sleeve.

• Solution: Adjust the traction speed to match the extrusion speed; Strictly control the temperature of each section of the extruder and the head; Ensure that the material is fully plasticized; Replace the appropriate mold or sizing sleeve material.