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Madhavachar Rangnekadr's Blog – April 2019 Archive (1)

DISCOLORATION ISSUE IN PLASTIC INJECTION MOLDING

Discoloration means the surface color of a molded part is not consistent with the required color. Discoloration may be caused by a variety of reasons, which may cover the several aspects of injection molding machine, mold, process and raw materials, etc.

(1) Injection Molding Machine

① Equipment is not clean and needs to be cleansed. Dusts or powders are deposited in the barrel, which contaminates and discolors the materials;

② Temperature control failure caused by…

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Added by Madhavachar Rangnekadr on April 16, 2019 at 6:52am — No Comments

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