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Modified PP plastic materials in the field of home appliances
2024-01-24
HIPS and ABS are the first plastic materials used in household appliances, due to the high price of HIPS and ABS resin, the market has gradually developed PP(polypropylene) modified materials suitable for household appliance parts, and partially replaced HIPS and ABS resin in household appliance products with its advantages of low cost, light weight and good performance. Now the modified PP plasti...
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Why do injection molded parts develop sink marks and dimples?
2024-09-02
(1) Improper control of molding conditions If the injection pressure is too low, the injection and holding time is too short, the injection speed is too slow, the material temperature and mold temperature are too high, the cooling of the plastic part is insufficient, the temperature is too high during demolding, the temperature around the insert is too low, or there is insufficient material supply...
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