Detail Information For High Output Rubber Extrusion Screw and Barrel: Application: for different kinds of rubber. Customer's Requirement: extrude rubber continuously, stably and uniformly. Screw's quality: bimetallic quality or nitriding quality. Barrel's quality: bimetallic quality or nitriding quality. Detail Information For All Rubber Screw and Barrel: Brief introduction: cold& hot feeding screw and barrel, such as pin type, conical type, venting type, injection type and etc, has good torque force& abrasion resistance, rubber will be extruded out uniformly and stably. Specification: 1:For cold feeding screw and barrel Diameter range: Ф40-Ф300MM L/D ratio: 8-20 2: For hot feeding screw and barrel Diameter range: Ф30-Ф250MM L/D ratio: 4-8 3: for Pin type screw and barrel: Diameter range: Ф60-Ф250MM L/D ratio: 12-18 Base material : 38CrMoAlA(JIS SACM645) from BAOSTEEL company. Alloy Layer: Fe, Wc, Si, Cr, Ni, Co, C, Mo, B and etc ( different quality has dif…