thin wall molds china, IML molds china
Focare Mould Co.,Ltd.
mould, china mold maker, high speed injection machine
How to choose core and cavity steel, especially for thin wall molds?
For thin wall molds, especially under high speed high pressure injecting,
steel hardness must be HRC42 above, thus mold can guaranteed its lifetime.
NAK-80 or 718H, only with HRC30 above. No need to consider.
Even H13 is the basic steel for thin wall molds.
In additionally, raw material is clear transparent PP, it requires steel polishing property.
Above all, suggest S136 with HRC43-45.
If your budget limit, then suggest H13 with HRC43-45.
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