... tech. 3.3CR17 long lifecycle 4.high output/stable discharging PVC plastic pipe tooling: 1. PVC plastic pipe tooling structure uses advanced technology of multi-cavity, multi ... or copper located sleeve.4. PVC plastic pipe tooling sizes: φ20,φ25,φ32,φ40,φ50,φ65---φ630 and so on.5. material: PVC, PE, PPR, etc.