Possibilities of discoloration of black spots on injection moulds
Plastic Injection moulds are also one of the common types of moulds.During the manufacturing process, we often find black spots, or cause discoloration and coking of injection moulded products.This is a common problem in the manufacture of injection moulds. The added ultraviolet absorber, antistatic agent, etc. decompose in the barrel due to overheating, or stay in […]
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