Silicone Extrude Machine（https://www.zjbaina.com/product/rubber-extruders-series/90mm-silicone-extrude-machine.html）
Screw diameter
￠90 C9（－0.17～－0.257）
L/D
20:1
Screw material
Japan SM645　
Nitriding treatment
（δ=0.4～0.7）
hardness
HV800~900
Max RPM
60rpm MAX
Water circulation
The central part of the screw has a circulating channel and a rotary joint.