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Medical-grade Material Compounding Extruder

Triple-Screw Extruder

A triple-screw extruder—also known as a tri-screw extruder or triple-screw compounding extruder—is an advanced mixing and compounding system designed for ultra-high-shear, high-dispersion, and high-output polymer processing. Compared with traditional twin-screw extruders, the triple-screw design features two intermeshing channels plus an additional screw shaft, enabling stronger shear force, faster material conveying, and superior dispersion of fillers, pigments, and additives.

The machine is widely used in engineering plastic modification, masterbatch production, nano-material blending, flame-retardant compounding, biodegradable material processing, and high-viscosity formulations. With its exceptionally stable mixing capability and energy-efficient system, the triple-screw extruder is ideal for manufacturers seeking higher productivity, enhanced dispersion quality, and better cost performance.

Applications of the Triple-Screw Extruder

Engineering Plastics Compounding: ABS, PA, PC, POM, PBT, PMMA.

High-Filler Compounds: calcium carbonate, talc, carbon black, glass fibers.

Color & Filler Masterbatch: strong dispersion for pigments and additives.

Biodegradable Materials: PLA, PBAT, PHA blending and modification.

Chemical Reaction Extrusion: grafting, devolatilization, polymer blending.

Specialty Materials: nano-fillers, conductive compounds, flame-retardant systems.

 Technical Specifications

These specifications support high-torque, high-shear compounding with exceptional melt homogeneity and throughput.

Key Advantages

Stronger shear and dispersion than twin-screw extruders—ideal for pigments, fibers, and nano-materials.

Higher output capacity due to triple-channel conveying.

Superior homogenization improves the quality of engineering plastics and masterbatch.

Enhanced devolatilization efficiency reduces moisture and volatile residues.

Flexible screw configuration for mixing, melting, shearing, and reaction extrusion.

Energy-efficient design reduces operating costs and increases productivity.

Stable continuous operation, suitable for large-scale industrial production.

FAQ

Q1: What materials are most suitable for a triple-screw extruder?
Engineering plastics, fillers, pigment masterbatch, biodegradable resins, and high-viscosity polymers.

Q2: How does a triple-screw extruder differ from a twin-screw extruder?
It provides higher shear, better dispersion, and increased output, especially for high-filler or difficult-to-mix materials.

Q3: Can the screw configuration be customized?
Yes. Screw elements, side feeders, degassing zones, and pelletizing systems can be tailored for specific formulations.

After-Sales Service

We offer installation and commissioning, operator training, formula optimization support, maintenance guidance, spare parts supply, 24/7 remote technical assistance, and lifetime service support to ensure maximum reliability and productivity of your triple-screw extruder.