... .material:stainless steel 2.be used for film pelletizing 200-300kg/h LDPE film pelletizing machine :One ,SJ120 single screw extruder1. Screw ... 900,surface roughnessRa≤0.8um.5.the nitriding depth of machine barrel:0.5~0.7mm,hardness(HV)more than950, ... power:90KW10.capacityoutput≥200Kg/h11.frequency control:HOLIP frequency inverter12.machine barrel cooling wayair cooling,cast aluminum heating coil with ...