Runners and gates: all conventional gates of pvc furniture board can be used. If processing smaller parts, it is best to use needle-point gates or submerged gates; for parts with thicker PVC plates, it is best to use fan gates. The minimum diameter of the needle-point gate or the submerged gate should be 1mm; the thickness of the fan gate should not be less than 1mm. Typical application: Polyvinyl chloride has the outstanding characteristics of abundant raw materials (oil, limestone, coke, salt and natural gas), mature manufacturing process,