pvc profile pvc异型材 ; pvc型材
PVC profile shapes PVC异型材
PVC U profile PCVU型材
pvc profile shapes and pipes pvc异型材及管材
rigid pvc profile 硬质聚氯乙烯异型材
PVC profile material PVC型材
pvc profile materials pvc型材
pvc-u profile 硬质聚氯乙烯异型材
pvc shaped profile pvc塑料异型材
pvc plastic profile pvc塑料异型材
The formula design, product performance, production technological flow, and key process control parameters of PVC rolled window profile, and the performance of the extrusion equipment were introduced.
介绍了PVC卷帘门窗型材的配方设计要点、产品性能、生产工艺流程、重点工艺参数控制和挤出成型设备的性能特点。
At present, domestic PVC plastic profile trades low-level construction is serious, the price war grows in intensity.
目前，国内PV C塑料型材行业低水平重复建设严重，价格战愈演愈烈。
The new developing trend of PVC and assistant for PVC-U profile for door and window is introduced, meanwhile, the choosing of raw materials and formulation design are discussed.
介绍了挤出PVC-U门窗异型材用树脂及助剂的最新开发动态，并对原料选用、配方设计进行了探讨。
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