1、Specifications：SJZ45/90、SJSZ51/105, SJZ55/120、 SJZ65/132、SJZ80/156、SJZ92/188

2、Performance：380V/3 and 50HZ,it applies for PVC powder ( the granules cannot exceed 20% ) and can be used to product PVC sections and PPR

3、Technical specification: 38CrMoAlA material with nitriding treatment, the nitriding depth of the screw is 0.4-0.6mm, hardness (HV) is 740-940, surface roughness is Ra≤0.8um; the nitriding depth of the barrel is 0.5-0.7mm, hardness (HV) is 940-1100, inwall roughness is Ra≤1.6um. The cooling type of the barrel is air-cooled, and the screw is core outer circulation oil-cooled. We choose aluminium casting heating ring with stainless steel protective cover.