PET Recycling Pelletizing Extruder
A PET recycling pelletizing extruder, also known as a PET recycling machine or PET pelletizing line, is specialized equipment designed for transforming waste PET bottles, PET flakes, fiber waste, and industrial scraps into high-quality PET pellets. With advanced dehumidifying, crystallizing, melting, filtering, and pelletizing technology, the PET recycling extruder ensures stable output and excellent pellet quality. It is widely used in recycling factories, polyester fiber plants, sheet extrusion plants, and plastic granule manufacturers.
The machine integrates a complete PET recycling process: washing → drying → crystallizing → extrusion → melt filtration → vacuum degassing → pelletizing. This ensures removal of moisture and volatile components to prevent hydrolytic degradation, allowing the production of high IV-value PET pellets. The PET recycling extruder is suitable for manufacturing rPET pellets that comply with packaging, fiber spinning, and injection molding applications.
Applications of the PET Recycling Pelletizing Extruder
PET Bottle Recycling: turning post-consumer bottles into clean rPET pellets.
PET Flake Pelletizing: suitable for washed and dried PET flakes.
Polyester Fiber Production: spinning-grade PET pellets for textile and nonwoven products.
PET Film & Sheet: rPET pellets for thermoforming, food packaging, and industrial sheets.
Modified PET Compounding: glass-filled PET, flame-retardant PET, and engineering-grade blends.
Technical Specifications
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Parameter
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Specification
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Extruder Type
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Single-screw or twin-screw PET recycling extruder
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Screw Diameter
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65–160 mm
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L/D Ratio
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28–40:1 with long vacuum zone
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Motor Power
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55–355 kW
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Capacity
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200–3000 kg/h
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Feeding System
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Force feeder / side feeder for PET flakes
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Dehumidifying System
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Crystallizer + dehumidifier (single or double stage)
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Filtration System
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Hydraulic screen changer or continuous melt filter
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Pelletizing Method
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Strand, water-ring, or underwater pelletizing
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Control System
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PLC + touchscreen + automatic temperature control
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These specifications ensure high efficiency, strong degassing performance, and low IV loss, making the machine ideal for food-grade and fiber-grade PET pellet production.
Key Advantages
Excellent drying & dehumidifying system prevents hydrolysis and increases IV stability.
Double-stage vacuum degassing removes moisture, gas, ink residues, and contaminants.
Stable pellet quality suitable for fiber spinning, sheet extrusion, and injection molding.
Energy-saving design with optimized heating and extrusion systems.
High contamination tolerance when using advanced melt filtration.
Flexible configuration for bottle flakes, textile waste, or industrial PET scraps.
FAQ
Q1: What materials can the PET recycling extruder process?
PET bottle flakes, sheet scraps, fiber waste, filament waste, and industrial PET materials.
Q2: Does the machine require a crystallizer?
Yes. Crystallization and dehumidification are essential to prevent IV degradation.
Q3: What pelletizing method is recommended?
Water-ring and underwater pelletizing are common for high-output PET recycling lines.
After-Sales Service
We provide complete installation guidance, operator training, formulation and process support, spare parts supply, remote troubleshooting, and lifetime technical consultation to ensure your PET recycling pelletizing extruder operates effic
Product Tags:
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