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Extruder parts Screw Segment barrel and liner for Plastic resin mixing, compounding and granulation with halogen-free flame retardant

Basic Properties

Place of Origin:Jiangsu, China
Brand Name:BLM
Certification:ISO 9001
Model Number:standard or customized

Trading Properties

Minimum Order Quantity:3000mm
Price:Negetation
Standard Packaging:Packing in wooden case
Delivery Time:45~690days
Payment Terms:T/T,Western Union,MoneyGram
Supply Ability:according to the customized products
Specifications
Product Features: Wear Resistance, Corrosion Resistance, Bimetallic Alloy Hs Code: 8477900000
Application Extruder Macchine Type: Type 75 Extruder And Above 75 Application Area: Plastic Manufacturing,food Processing ,chemical Manufacturing,recycling
Material: 38CrMoAl, CR12MoV, W6542, SS 440, Wr5 Wr14, Ni60 Advantages: Customized Based On Different Working Conditions
Place Of Origin: China Customization: Yes
Highlight

twin screw extruder parts

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plastic resin mixing screw segment

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halogen-free flame retardant barrel liner

Product Description
Extruder Screw Segment, Barrel and Liner for Halogen-Free Flame Retardant Plastic Processing
Specialized extruder components designed for plastic resin mixing, compounding and granulation with halogen-free flame retardant (HFFR) materials. These high-wear parts are engineered to withstand extreme abrasion while ensuring efficient mixing and temperature control.
For HFFR compounding, extruder components must be constructed from highly wear-resistant materials (like bi-metallic alloys or Tungsten Carbide coatings) to withstand abrasion from mineral flame retardants. Their design focuses on efficient mixing and gentle heat control to achieve uniform compounds while maintaining polymer integrity.
Key Components
1. Screw Elements
Function: Core components mounted on screw shafts that convey, melt, mix, and pump plastic material.
Key Features for HFFR:
  • Material: Wear-resistant alloys (bi-metallic) to withstand abrasive mineral fillers like magnesium hydroxide (MDH) or aluminum hydroxide (ATH)
  • Surface Treatment: Tungsten Carbide (WC) coatings or hardening techniques (e.g., nitriding) to extend service life
  • Design: Special mixing elements (kneading blocks, mixing pins) ensure homogeneous dispersion of flame retardants without resin degradation
2. Barrel
Function: Houses rotating screws and forms the chamber for plasticization and mixing under high temperature/pressure.
Key Features for HFFR:
  • Liner/Bushing: Removable inner surface component that directly contacts material and bears wear
  • Material: Bi-metallic construction with wear-resistant alloy inner liner (e.g., Xaloy, Reiloy)
  • Cooling: Efficient cooling channels manage heat from shear stresses and filler friction
3. Liners/Bushings
Function: Replaceable inner sleeves that protect the main barrel body from wear.
Key Features for HFFR:
  • Designed as the primary wear component
  • Constructed from the hardest available materials (bi-metallic alloys or Tungsten Carbide coatings)
  • Replaceable design provides cost-effective maintenance for abrasive material processing
Reference Images
Extruder screw segments for HFFR processing
Barrel liner cross-section showing wear-resistant construction
Close-up of tungsten carbide coated extruder components
About Bloom Suzhou Materials
Bloom Suzhou Materials specializes in ultra-wear and corrosion-resistant extruder core components including screw elements, barrels and bushings. We provide both new and refurbished wear parts for all major parallel twin-screw extruders across industries including plastics, chemicals, powder coatings, and food processing.
Our capabilities include:
  • Custom solutions based on extensive alloy material expertise
  • Independent design team support
  • Quality assurance from highly trained staff and inspectors
Bloom Materials manufacturing facility
Applications
Industrial applications of HFFR extruder components
Contact Details
BLOOM(suzhou) Materials Co.,Ltd

Contact Person: Mrs. Kara Liu

Tel: 0086--13914912658

Fax: 86-512-89598069

Send your inquiry directly to us
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