Reasons For Openings In The Production Process Of Pvc Skinned Foam Board
1.Relevant information Lower Molecular Weight or Degree of Polymerization 2.Poor Melt Thermal Stability, Improper Extrusion Temperature Setting or Control 3.Improper Addition of Foaming Agent 4.Poor Quality or Insufficient Dosage of Processing Regulators 5.Too Much Calcium Carbonate, too Large Particle Size, Poor Activity 6.Improper Use of Die 7.Uneven Foaming or Discharge of Board’s Cross-section, and Partial […]
How To Optimize The T-die Of Pvc Foam Board Extrusion Line?
Project Research Background Improvement Of Die Structure Design Solve The Problem Of Skinning Surface That Is Not Hard Integrated Design Of Die Lip And Die Breakthrough in technical difficulties Improve the corrosion resistance of the die heads and extend the service life Use specially designed die heads for thick/thin plates
