Screw Base Material: Dual-alloy 38CrMoAlA
Barrel Base Materials: 40Cr, 42CrMo, 38CrMoAlA

Alloy Composition Options:
Wear-Resistant: Fe + Ni + Cr + B
Corrosion-Resistant: Ni + Cr + Co + B
High Wear & Corrosion Resistance: Ni + Cr + WC + Co + B

Applications:

Suitable for engineering plastics extrusion with fillers such as:

Glass fiber reinforced plastics: PA+GF, PET+GF, PC+GF

Flame retardants, magnetic powders, and other additives

Ideal for extrusion of recycled materials containing impurities, with glass fiber reinforcement and inorganic fillers like calcium carbonate, talc, carbon black, etc.

Excellent wear resistance for challenging materials