... of pipes for temperature control are in groove-tongue design to balance alternating thermal stress and avoid leakage.The screw ... 2.twin screw extruder 3.vacuum degassing 4.extrusion die 5.pelletizing die 6.underwater pelletizer 7.centrifugal hydroextractor 8.bin ... fibres,small fibres,carbon fibres,crystals and so onVarious cable materialsHDPE,LDPF,LLDPE,MDPE,EVA,PVCect+Insulating cables,coatings, ...