PVC Pelletizing Line

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PVC Pelletizing Line

The PVC Pelletizing Line is a specialized solution for polyvinyl chloride (PVC) powder and filled compounding pelletizing. It enables customers to directly convert PVC powder into uniform, dense pellets via conical twin-screw extrusion and face-cutting systems, boosting downstream pipe/profile efficiency while minimizing raw material waste. This line is renowned for superior compounding and cost-effectiveness, ideal for plastic processors seeking stable quality and optimized expenses.

description1

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Product introduction

Technical parameter

Extruder Model	SJSZ-51	SJSZ-55	SJSZ-65	SJSZ-80	SJSZ-92
Screw Dia. (mm)	φ51/105	φ55/110	φ65/132	φ80/156	φ92/188
Main Motor(kw)	18.5	22	37	55	90
Cuting motor (kw)	1.1	1.1	1.5	1.5	2.2
Granules size(mm)	3	3	3	3	3
Output(KGH)	80~100	100~150	150~250	250~380	380~700

Key Features and Benefit

Conical twin-screw compounding expertise: Optimized for PVC powder with high-torque design for thorough plasticization and uniform dispersion, supporting high filler loads (up to 200 phr) like wood or calcium powder for strong, pore-free pellets.

Face-cutting hot die technology: Unique face-cutting with pneumatic conveying produces dense, aesthetically pleasing pellets without tails; vibration cooling separation further enhances purity and efficiency, outperforming traditional cold-cutting methods.

Efficient vacuum venting: Multi-stage venting removes volatiles and moisture, preventing yellowing or bubbles—especially effective for heat-sensitive PVC formulations.

Forced feeding and filtration: Precise forced feeding ensures stable input; hydraulic screen changers filter impurities for extended continuous runs, maximizing output and minimizing downtime.

These features position the PVC pelletizing line as the top choice for filled pellet production, empowering customers with higher filler ratios, lower energy use, and premium output for rapid investment recovery and enhanced market edge.

Primary Applications

Pipe and Profile Feedstock: Focused on high-filled PVC pellets for downstream pipe/profile extrusion, improving strength and reducing costs.

Wood-Plastic Composite Pellets: With wood powder for WPC pellets in eco-friendly decking and profiles.

Cable and Flooring Pellets: Clean pellets for cable compounds or PVC flooring base, ensuring insulation and wear resistance.

Recycled PVC Pellets: Processes reclaimed material into secondary pellets for circular economy uses.

Special Filled Products: High-calcium pellets for low-cost construction materials.

Compared to other pelletizing equipment, the PVC line excels in direct PVC powder processing and high-filler capability, helping customers dominate competitive plastics markets with dual advantages in cost and quality for sustainable high profitability.