he process of PVC pipe production line Main production process: preparation of raw materials + additives → mixing → conveying and feeding → forced feeding → counter rotating parallel twin screw extruder → mold → sizing sleeve → spray vacuum calibration tank → spray or immersion cooling tank →crawle......
Read MorePipe has three layers to provide the highest mechanical performance: 1.External black PP layer provides excellent impact resistance and long-term UV protection; 2.Intermediate PP-MD layer provides high mechanical resistance and excellent sound proofing performance; 3.Internal layer low-friction, ......
Read MoreThe utility model relates to a composite pipe of copolypropylene plastic and copper metal pipe, which comprises a copper pipe, a PPR plastic and an adhesive layer and an anticopper agent. Adhesives, anti-copper agent layer is arranged between the copper tube and PPR plastic tube layer, and the one-t......
Read MoreThe calibration sleeve is a component that assists the cooling and shaping of plastic pipes in the extrusion production of plastic pipes. It is installed at the front end of the vacuum calibration machine. After the pipe comes out of the mold, it enters the vacuum tank and spray cooling tank for fur......
Read MoreTwin-screw extruder is a kind of dispersion in which solid powder and liquid coexist and are mainly composed of solid phase, through forced way to make the basic partical of solid powder mutual bonding and increasing. And form a certain shape and particle size uniform, concentrated particle group.
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