Features :
The first stage is SHJ twin screw extruder without die . Through the combination of barrel and screw ,
the extruder can exert its strong ability to make the thermo sensibility material Iike PVC melting ,
compounding , disturbing and decentralizjng under the condition of no back pressure .
The second stage is SJ single screw extruder . Because of the lower rotate speed , it can complete melting ,
compounding lengthways and forming strands avoiding over heating.