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plastic Dehumidifying dryerHow to deal with bubbles in injection molded products: 1. Increase mold temperature and reduce injection time and cycle. Because PP bubbles are formed due to the internal shrinkage formed by the cooling time too long. 2. Increase the back pressure to extend the injection time and use high pressure and low speed. 3. The storage speed is too fast, so add some back pressure appropriately. 4. The raw materials are not sufficiently dry and contain moisture. 5. The plastic stays in the barrel for too long. 6. The screw ejection amount is too long. 7. Poor mold exhaust. 8. The injection pressure is too small and the injection speed is too high. 9. The melt temperature is too high and the mold temperature is too low.How to dry plastic particles without producing bubbles and cracks?plastic dryer,
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