Silane-Crosslinked Cable and Pipe

1. material stock 2. drying hopper 3. molecular-sieve dryer 4. material stock 5. loss-in-weight feeder 7. twin screw extruder 8. single screw extruder 9. water-ring granulator 10. centrifugal dewatering 11. fluidizing bed 12. vacuum material conveyer 13. molecular-sieve dryer 14. drying hopper 15. product container 16. vacuum bagging

Functional steps of material plasticating/mixing and silane-grafting are carried out in a long L/D co-rotating twin screw extruder, while single screw extruder is used for low temperature pressure buildup and pelletizing. This tandem line has a larger processing window than any single line.