2025-07-23 Pageview：5
Polyvinyl chloride (PVC) is widely used in rigid and flexible forms for profiles, cables, and films. Integrating wax dispersion PVC processing aids lubrication, dispersion of fillers, and surface smoothness during extrusion or calendaring.
Benefits of Wax in PVC
Internal/External Lubrication: Improves flow and reduces friction between polymer and metal surfaces.
Gloss Control: Enhances visual quality of films and sheets.
Filler Dispersion: Assists in uniform mixing of CaCO₃ and pigments.
Technical Details
Droplet size: <250 nm for good dispersion into PVC plastisols and dry blends.
Heat stability: Functional up to 200°C.
Suitable for rigid, semi-rigid, and flexible PVC systems.
Typical Applications
| PVC Product | Wax Addition | Function |
|---|---|---|
| Window profiles | 0.5–1.2% | Smooth extrusion, anti-sticking |
| Cable insulation | 0.3–0.8% | Improved melt flow, surface slip |
| Calendered films | 0.6–1.0% | Gloss control, better release |
Performance Highlights
Torque during extrusion reduced by up to 20%.
Surface quality improved—reduction in sharkskin and drag marks.
Shorter processing cycles due to better lubrication.
Incorporating wax dispersion PVC processing ensures smoother operation, better surface finish, and reduced energy costs, all critical for modern PVC converters.
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