Causes and solutions for bubbles in injection molded PP. Injection molded PP products have bubbles: PP bubble solves problem one: 1 Increase the mold temperature and reduce the injection time and cycle "Because PP bubbles are formed by internal shrinkage due to excessive cooling time" 2 Incre... More
Undershot is also called short shot, insufficient filling, dissatisfaction with the part, commonly known as undershot, which refers to the partial incompleteness of the end of the material flow or the partial filling of a mold with multiple cavities, especially the thin-walled area or the end... More
PP is commonly referred to as polypropylene, because of its good anti-breaking performance, it is also called pleated rubber. PP is a semi-transparent, semi-crystalline thermoplastic with high strength, good insulation, low water absorption, high heat forming temperature, low density, high cr... More
Abnormal phenomenon product cause solution crack 1. The injection mold is too cold, adjust the temperature of the injection mold 2. The cooling time is too long, reduce the cooling time 3. The plastic insert is different from the shrinkage. Preheat the metal insert 4. The ejector installation... More
The processing process of plastic raw materials is mainly the melting, flow, and cooling of the rubber particles to become finished products. It is a process of heating and then cooling. It is also the process of plastics changing from particles to different shapes. The following will explain... More
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