... -Y40 use:use for extrusing fiber and silicone, main use for producing fiber data cable1,Use for extrusing ... all kinds of fiber and silicone,the fiber data cable supprt OPPT 2,Screw ... sheath after change nose and screw,can make single injection,double injection,and multi-layer co-extruded5, ... control 50mm plastic extrusion of optical fiber extruder for 0.6~6.2mm Tight-buffered ...