PVC Technical Guide

Practical guidance for PVC processors covering extrusion problems, stabilizer selection, processing aids, formulation considerations, and troubleshooting.

PVC Troubleshooting

PVC Troubleshooting

PVC Pipe Yellowing

Why pipes turn yellow or brown during extrusion, and the heat, stabilizer and lubrication factors to check.

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PVC Troubleshooting

PVC Pipe Breaking After Extrusion

Brittle pipe or impact failures — how to tell fusion, filler and toughness problems apart.

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PVC Troubleshooting

PVC Pipe Low Impact Strength

Factors that reduce impact performance in PVC pipes and fittings.

Guide coming soon
PVC Troubleshooting

PVC Pipe Bubbles on Surface

Moisture, venting and degradation causes of bubbles, voids and blisters.

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PVC Troubleshooting

PVC Pipe Rough Surface

Inner and outer surface roughness — die, temperature and lubrication factors.

Guide coming soon
PVC Troubleshooting

PVC Pipe Poor Fusion

How to recognise under-fused pipe and what affects gelation.

Guide coming soon
PVC Troubleshooting

PVC Extrusion High Amp Problem

Why extruder load is high or rising, and what to check before changing the formulation.

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PVC Troubleshooting

PVC Pipe Die Lines

Spider lines and die lines — temperature and flow causes.

Guide coming soon
PVC Troubleshooting

PVC Pipe Plate-Out

Deposits on screw, die and calibrator — what causes plate-out.

Guide coming soon

PVC Additive Selection

PVC Additive Selection

How to Select a PVC One-Pack Stabilizer

Application, standard, machine and filler factors for choosing a one-pack.

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PVC Additive Selection

PVC Stabilizer Dosage

What influences how much stabilizer a formulation needs.

Guide coming soon
PVC Additive Selection

PVC Processing Aid Selection

Choosing an acrylic processing aid for fusion and melt strength.

Guide coming soon
PVC Additive Selection

Calcium-Zinc vs Lead Stabilizer for PVC

Differences in processing, colour and formulation when switching to lead-free.

Guide coming soon
PVC Additive Selection

PVC Extrusion Processing Aid

How processing aids work in pipe and profile extrusion.

Guide coming soon

PVC Formulation

PVC Formulation

Calcium Carbonate Loading in PVC Pipe

How filler level affects impact, fusion, output and cost.

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PVC Formulation

PVC Lubrication Balance

Internal vs external lubricants and their effect on fusion and load.

Guide coming soon
PVC Formulation

PVC Stabilization and Processing Conditions

How heat history and machine settings use up stabilizer.

Guide coming soon