... pipe surface 2ceramic heater prolong working life 3may adjust the diameter pipe 4good quality plastic mould (PVC pipe we can ... as: calibrating sleeve, thermocouple, heater, die core, die mouth,etc.3. Plastic plate extrusion mould, plastic anomalous pipe extrusion mould.4. ... twin-pipe extrusion mould with 16mm- 63mm diameterOur plastic pipe moulds are usually exported to following countries:Japan ...