... sheath and so on 70+35 construction wiring high speed extrusion production line plastic extruderApplicationApplied to BV, BVN, BVR, RV, Nylon sheath ... the producing;2. Equipped the advanced, special universal cross-head, two-layer cross-head to fulfil the precise extruding technical requirements ... (mm) 70 L/D of screw 26:1 Bm type Extrusion capacity(kg/hr) 140 Main unit power 30HP Wire spec ...