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Extrusion
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The common defects in extrusion processare: Improper System Engineering/Installation,Improper Operation, Resin Defects, ImproperMaterials Addition, Surging, Poor mixing, Melttoughness or fracture, Overheating, Moisturerelease, Trapped air, Contamination.Improper System Engineering/Installation Wrong Clamps used or Clamps too tight. Improper die setting Improper alignment of die and Incompatible fire caulk used. Contact of outside of pipe with incompatiblematerial (e.g., solder flux