描述

聚对苯二甲酸乙酰胺颗粒PPA GF30用于温控器外壳

具有优异的机械性能、电气绝缘性能、耐辐射性、耐高温性和耐磨性，并可通过微波

聚对苯二甲酸乙酰胺颗粒PPA GF30，用于节温器外壳

产品详细信息

用于温控器壳体的聚对苯二甲酸乙酰胺颗粒PPA GF30

玻璃纤维增强PPA在PPA中添加30%的玻璃纤维，PPA的力学性能、尺寸稳定性、耐热性、耐老化性显著提高，疲劳强度是未确认的2.5倍。玻璃纤维增强PPA的成型过程与未增强时大致相同，但由于流动性比增强前差，应适当提高注射压力和注射速度，而筒体温度应提高10-40摄氏度。因为玻璃纤维在注射成型过程中会沿流动方向取向，导致工艺性能和收缩率在取向方向上增强，导致产品变形翘曲，因此，模具设计、浇口位置、形状应合理，该工艺可以提高模具的温度，将产品取出后放入热水中，让其慢慢冷却。此外，添加的玻璃纤维比例越大，注塑机塑化元件的磨损就越大，最好使用双金属螺钉、桶

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Polyphthalamide Pellet PPA GF30 For Thermostat Housing

Excellent mechanical properties, electrical insulation properties, radiation resistance, high temperature resistance and wear resistance, and through the microwave.

Polyphthalamide Pellet PPA GF30 For Thermostat Housing

Product Details

polyphthalamide pellet PPA GF30 for thermostat housing

Glass fiber-reinforced PPA in PPA to add 30% of glass fiber, PPA’s mechanics, dimensional stability, heat resistance, aging resistance has been significantly improved, fatigue strength is 2.5 times unconfirmed. The molding process of fiberglass-reinforced PPA is about the same as when it is not enhanced, but because the flow is worse than before the enhancement, the injection pressure and injection speed should be appropriately increased, and the barrel temperature should be increased by 10-40 degrees C. Because the glass fiber in the injection molding process will be along the direction of flow orientation, causing the technical performance and shrinkage in the orientation direction to enhance, resulting in product deformation warp, therefore, mold design, the position of the gate, shape should be reasonable, the process can improve the temperature of the mold, the product after removal into hot water to let it slowly cool down. In addition, the larger the proportion of glass fiber added, the greater the wear on the plasticization elements of the injection molding machine, preferably using bimetallic screws, barrels.

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