... :0.6~0.8mm 4.Material:38CoMoLAIA Specifications of conical twin-screw and barrel: 45/90, 51/105, 55/110, 65/132 ... of alloy: HRC56-65°Applied scope of plastic: applied for all kinds of appended fiberglass, plastic and PPA, PPO, PPS, LCP, magnetism ... barrel (material of powder outlet is Cr12MoMV, vacuum quenching)and screw (powder output is treated by alloy), the using lifespan is ...