Buyer-side technical library
Technical insights for better PVC compound decisions.
Practical guides for identifying molding and cable defects, collecting the right evidence, and planning a controlled sample trial.
Latest guidance
3 technical notes · updated July 2026
Cable insulation · Checklist
What should a buyer provide for 450/750 V insulation?
Turn a broad voltage inquiry into a traceable sample brief: construction, test method, conditions and acceptance criteria.
Read technical checklist →Selection & sampling
How to select PVC sheathing compound for an LV cable jacket
Match the cable structure and extrusion line before a trial—not hardness alone.
Read selection guide →Injection troubleshooting
PVC USB plug injection flow marks: diagnosis and corrective path
Distinguish flow bands, splay, unmelted particles, weld lines, jetting, cold slugs and burns before changing compound.
Read root-cause guide →