SJZ-21 lab twin screw extruder is suitable for plasticizing and extrusion of engineering plastics, modified plastics, color masterbatch and other polymer, with the characteristics of uniform dispersion, plasticizing and coloring, filling and modification.

It is applicable to laboratory testing and quality control, teaching research and small-scale production.

This machine unit  is novel in design, sophisticated in material and fine in workmanship.

It has been successfully applied to hot pelletizing of  PP, PE,  PC,  PU, ABS, PS, EVA, EAA,  PPR,  PVC, all kinds of cable materials and color masterbatch, etc., with the characteristics of  uniform and beautiful shape, high output, safe and reliable performance, low noise, energy saving and less occupation of land.