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针对不同原料应该如何选择螺杆?_新闻详情_金誉达螺杆
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一.PC料(聚碳酸酯) 特点: ①非结晶性塑料,无明显熔点,玻璃化温度140°~150℃,熔融温度215℃~225℃,成型温度250℃~320℃。 ②粘度大,对温度较敏感,在正常加工温度范围内热稳定性较
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