Product Application
Application
PVC profile(door&window)、WPC(PVC, PE)、PVC foam board、PVC pipe、PVC compound etc.
Specification
φ35/75 φ40/84 φ45/90 φ45/97 φ45/100 φ50/105 φ51/105
φ55/110 φ55/120 φ58/125 φ60/125 φ65/120 φ65/132 φ68/147
φ72/151 φ80/143 φ80/156 φ80/174 φ92/188 φ95/191 φ105/216
Products Description
Production Process&Inspection
3. Screw and barrel matching
7.Barrel inside hardness
Barrel inside hardness will be checked after hardening & tempering and nitriding.
8.Screw flights hardness
Screw hardness will be checked twice after heat treatment.
9.Profile size
Each size will cheked during production and once again after finish.
Our heat treatment
Hardening & Tempering
72 hours hardening & tempering,hardness is HB280-320.
Nitriding
120 hours nitriding,hardness is HV900-1000.
PTA bimetallic
Alloy Hardness:HRC 50-65
Alloy Depth:0.8-2.0mm
Quality Control
Packaging
Company Profile
Contact Us
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