PVC Pipe Yellowing
Why pipes turn yellow or brown during extrusion, and the heat, stabilizer and lubrication factors to check.
Read Technical GuidePractical guidance for PVC processors covering extrusion problems, stabilizer selection, processing aids, formulation considerations, and troubleshooting.
Why pipes turn yellow or brown during extrusion, and the heat, stabilizer and lubrication factors to check.
Read Technical GuideBrittle pipe or impact failures — how to tell fusion, filler and toughness problems apart.
Read Technical GuideFactors that reduce impact performance in PVC pipes and fittings.
Guide coming soonMoisture, venting and degradation causes of bubbles, voids and blisters.
Read Technical GuideInner and outer surface roughness — die, temperature and lubrication factors.
Guide coming soonHow to recognise under-fused pipe and what affects gelation.
Guide coming soonWhy extruder load is high or rising, and what to check before changing the formulation.
Read Technical GuideSpider lines and die lines — temperature and flow causes.
Guide coming soonDeposits on screw, die and calibrator — what causes plate-out.
Guide coming soonApplication, standard, machine and filler factors for choosing a one-pack.
Read Technical GuideWhat influences how much stabilizer a formulation needs.
Guide coming soonChoosing an acrylic processing aid for fusion and melt strength.
Guide coming soonDifferences in processing, colour and formulation when switching to lead-free.
Guide coming soonHow processing aids work in pipe and profile extrusion.
Guide coming soonHow filler level affects impact, fusion, output and cost.
Read Technical GuideInternal vs external lubricants and their effect on fusion and load.
Guide coming soonHow heat history and machine settings use up stabilizer.
Guide coming soon