Good day and your inquiry about our screw barrel pls find kaylee(at)tizatech.com , our web is www*tizatech*com .
 
 
 
1 year warrenty for screw barrel (no fee on your expense)
 
 
 
 
Technical Details
| Nitriding Treatment | |||
| ★ | Nitriding Treatment: 120 Hours, 5 whole days | ||
| ★ | Depth of Nitrided Layer: 0.5-0.8 mm | ||
| ★ | Hardness of Nitrided Layer: 900-1020Hv (HRC56°-65°) | ||
| ★ | Nitriding Brittleness: Less than Grade 1 | ||
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| Surface Treatments | |||
| Hard Chrome Plating/Coating | |||
| ★ | Thickness of Hard Chrome Plating Layer: 0.05-0.10mm | ||
| ★ | Hardness of Hard Chrome Plating Layer: ≥950HV | ||
|  Bimetallic Barrel/Cylinder: Centrifugal Casting (Inlay Alloy)   Bimetallic Screw: Plasma Alloy Coating Spraying  |  |||
| ★ | Depth of Bimetallic Layer: >2mm | ||
| ★ | Hardness of Bimetallic Layer: HRC55°-72° | ||
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| Other Technical Details | |||
| ★ | Hardness after Hardening & Tempering: HB240-280 | ||
| ★ | Screw Alignment/ Screw Straightness: 0.015mm | ||
| ★ | Surface Roughness: Ra0.4 | ||
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Plastics Used for Injection
| ★ | Raw Material: ABS,PA,PC,PE,PBT,PET,PP,PS,EVA,PU,Soft PVC,etc | 
| ★ | Engineering Plastics | 
| ★ | Glass Reinforced Plastics, like PA + 50%GF | 
| ★ | Bakelite Material, BMC,DMC | 
| ★ | Flame-resistant Reinforced Plastics | 
| ★ | Modified Engineering Plastics | 
| ★ | All kinds of Mixed Recycled Material(in Scrap or Granule),etc |