Product Brief
Conical Twin-Screw Extruder is special molding equipment developed for heat-sensitive materials such as rigid PVC. It adopts two intermeshed conical screws to finish material conveying, compaction, melting and plasticization, then extrudes plastic products through mould. It is the core host of PVC extrusion production line, featured with gentle shearing to avoid thermal decomposition of raw materials, widely used for rigid PVC plastic processing.
Product Specifications
- Equipment Name: Conical Twin-Screw Extruder
- Working Principle: Two intermeshed conical screws realize material plasticization
- Core Applicable Material: Rigid PVC and other heat-sensitive plastics
- Typical Output: PVC profiles, PVC pipes, PVC sheets
- Matched Auxiliary Machines: Mixing unit, feeder, tractor, cutting machine
Main Advantages
- Gentle shearing performance, effectively prevent thermal degradation of heat-sensitive PVC materials.
- Uniform plasticization, stable melt quality and excellent finished product surface.
- Powerful feeding capacity, good adaptability to PVC powder materials.
- Compact structure, reliable operation and convenient maintenance.
- Flexible matching with various molds to produce diversified PVC hard products.
Application & Usage
This Conical Twin-Screw Extruder is the main machine of PVC extrusion production line. It is widely used to manufacture rigid PVC pipes, profiles and sheets for construction, decoration and municipal engineering industries.
Why Choose Us
- Professional supplier of complete plastic extrusion equipment for PVC processing projects.
- Optimized screw design specially customized for rigid PVC formula.
- Precise multi-section temperature control system to guarantee processing stability.
- Strict factory inspection, supporting long-term continuous production.
- Provide full-set solution including installation, commissioning and technical training.
Production Process
PVC powder mixing → Automatic feeding → Conical Twin-Screw Extruder melting & extrusion → Mold shaping → Cooling traction → Cutting → PVC finished products
Working Raw Material
Rigid PVC powder mixtures and other heat-sensitive plastic materials.




