Parallel twin screw and barrel:
1.Screw Diameter: Φ20- Φ200; supply different L/D according customer's needs. Raw Material tempering hardness: HB≥280 Nitriding surface hardness: HV≥900 Nitriding deepth: 0.6-0.8mm
Purpose: WPVC, WPE, super high molecular Sheet, 1:2 high culcium buckle, 50%-400% calcium compound pipe, 50%－300% calcium compound profile, flexable PVC sheet, etc, PP, PE, ABS, PVC, pelletizer, pipe and sheet.
Raw Material	Hardening
38CrMoAlA, SACM645,	Nitriding
Cr12MoV, Cr12,	Quenching
38CrMoAlA, SACM645, 40Cr. AISI4140, 42CrMo	Spray and melt bimetallic alloy
GHⅡ3,	Nature harden after heating