注塑成型专业知识
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塑料的长，短处
•能得到既轻便而又强度高的产品
•着色自然
•不会生锈或腐烂
•有隔热效果，不会传达热量
•即有通电性能的，也有绝缘效果优秀的
•能自如的选择不同的硬度
•具有其他工业材料不具备的特殊性质
•复杂的产品也能实现量产
•产品价格低
•耐热性弱，易燃烧
•物性受温度的影响较大
•机械性强度不足
•对特定的溶剂，药品脆弱
•耐久性差
•容易划伤，不耐脏，容易沾灰尘
•尺寸确保及稳定性较弱
•实用性的DATA不足，理论上不解的地
方较多
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