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Plastic PVC pipe fitting Mold

Mold Material: S316, P20, DIN 1.2316

Mold Life: 3000, 000shots

The injection molding of PVC is by conventional injection molding machines.
The basic feature of PVC material:
1. Hard PVC material low MFI
2. PVC with high corrosive
3. PVC with low temperature melting
4. Easy decomposition ...

Because of above basic features, PVC material has special PVC molding technology process. The injection molding machine need precise temperature controlling and the material can not be heated for a long time. We can say it is very sensitive with the temperature. Also for this reason, there is no PVC pipe fitting mould which can use hot runner system.
Because PVC material’s high corrosive, PVC pipe fitting mould must need the steel be high quality stainless steel, and also deep hardened to around HRC50. Since the low MFI, when you make the runner and injection gate of a PVC pipe fitting mould, we need special design. For the big volume PVC injection molding, some time we need a very big runner and injection gate.

PVC gets processed anywhere between 100oC and 260oC. It is often mixed with all sorts of additives. PVC achieves a range of physical properties. You can have a very flexible PVC used in films. You can also have rigid PVC used in electrical socket covers. They achieve these various forms using different PVC additives. Hence why the processing temperature varies to such an extent. The presence of these additives also poses some challenges in the process.

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