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.
But the runner can't be recycled, what should we do? I think the only way is to reduce the runner
flowing distance to reduce the runner waste.


Lucia 







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