PIPLL PC Screw Barrel | Precision Solutions for Polycarbonate Extrusion

Product Overview

PIPLL’s PC screw barrels are engineered for stable and controlled polycarbonate extrusion. Because PC is processed at relatively high melt temperatures and has a high-viscosity melt, the screw and barrel must provide efficient melting, uniform conveying, and controlled shear without creating excessive residence time or localized overheating.

For PC board, solid rod, film, sheet, and pipe applications, PIPLL matches screw geometry, material selection, surface treatment, and barrel configuration to the actual resin grade, output target, dimensional requirements, and production conditions. The goal is consistent melt quality, stable pressure, good surface appearance, and reliable long-term extrusion performance.

Core Advantages of PIPLL

✓ PIPLL Stable Melting: Optimized compression and melting geometry supports consistent plasticizing of high-viscosity PC while maintaining steady melt delivery.

✓ PIPLL Thermal Control: Balanced shear and residence time help reduce the risk of overheating, discoloration, bubbles, and material degradation during high-temperature PC processing.

✓ PIPLL Durability: Nitrided steel, bimetallic alloys, H13/SKD61, and application-specific wear-resistant treatments are available for standard, filled, or reinforced PC compounds.

✓ PIPLL Customization: Screw diameter, L/D ratio, compression design, mixing section, surface treatment, and barrel configuration can be customized for different PC extrusion lines and product requirements.

PIPLL Technical Highlights

• Materials: Nitrided steel, bimetallic alloys, H13 / SKD61, and customized wear-resistant material options.

• Treatments: Nitriding, bimetallic treatment, hard coating, chromium plating, and other application-specific surface treatments.

• Design: Controlled compression, stable pressure building, uniform melting, and optimized mixing for high-viscosity PC melt.

• Process Matching: Screw design can be adjusted for standard PC, recycled PC, filled PC, and reinforced PC grades.

• Drying Awareness: PC is moisture-sensitive before processing; appropriate resin drying is important for reducing hydrolytic degradation, bubbles, and surface defects.

PIPLL PC Extrusion Applications

PIPLL screw and barrel solutions are suitable for a range of polycarbonate extrusion applications, including:

• PC Board & Solid Rod Bar

• PC Film & Sheet

• PC Pipe

For transparent or appearance-critical PC products, stable melt temperature, uniform mixing, clean material flow, and controlled residence time are especially important for minimizing color shift, black specks, bubbles, and optical defects.

Why Choose PIPLL?

PC extrusion performance depends on more than screw diameter and L/D ratio. Resin grade, moisture condition, melt viscosity, recycled-material ratio, fillers or reinforcement, output requirement, screw speed, die pressure, and residence time can all influence extrusion stability and component life.

PIPLL evaluates these conditions when selecting screw geometry, metallurgy, and surface treatment for new extrusion lines or replacement projects. From machining accuracy and screw/barrel clearance to thermal control and wear resistance, PIPLL focuses on stable output, consistent melt quality, dimensional stability, and reliable operation.

Choose PIPLL for customized PC screw barrel solutions built around your actual polycarbonate processing conditions.

Technical Accuracy Note

Polycarbonate grades vary by supplier and formulation. Drying conditions, melt temperature, screw speed, and other processing settings should always follow the resin supplier’s technical data sheet. Avoid fixed service-life claims because wear depends heavily on additives, fillers, output, operating hours, and maintenance conditions.