Twin-screwextruderismainlyusedforfilling,blending,modification,reinforcement,devolatilizationofchlorinatedpolypropyleneandsuperabsorbentresins;extrusionofdegradablemasterbatch,polyamidepolycondensation,polyurethaneadditionreaction,granulationofcarbonpowderandmagneticpowder,insulatingmaterialforcables,sheathmaterial,lowsmokeandlowhalogenflameretardantPVCcablematerialandpreparationofvarioussilanecrosslinks,etc.。