Differential temperature drawing in deep sleeve parts can reduce coefficient and times of drawing, then cut down the cost.
用温差拉深工艺成形深筒形件能大幅度降低拉深系数，减少拉深次数，降低生产成本。
High shrinkage PET staple fiber is mainly made by the adoption of low temperature drawing, suitable reduction of draw ratio and non-setting process.
涤纶高收缩短纤维的制取，主要采用低温拉伸、适当降低拉伸倍率以及不定型工艺。
Properties and treatment of the luminous pigment, modified PP and the process conditions such as spinning temperature, drawing, heating setting were investigated.
并对生产所需的发光颜料性能及处理方法、聚丙烯改性和纺丝温度、拉伸、热定型等生产工艺进行了探讨。
Properties and treatment of the luminous pigment, modified PP and the process conditions such as spinning temperature, drawing, heating setting were investigated.
并对生产所需的发光颜料性能及处理方法、聚丙烯改性和纺丝温度、拉伸、热定型等生产工艺进行了探讨。
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