本公司可根据客户的要求，配置专用装置生产螺旋消音管和芯层发泡管机组。
This company may allocate the special installation for the manufacture of the inner wall spiral coil and core ply blister tube set according to the clients requirements.
介绍了共挤出的PVC芯层发泡管的工艺流程和模头装置，并讨论了共挤管材的原材料选择及配方构成。
The processing technology and coextrusion die design of PVC foam core pipes are introduced. Also the selection of raw materials and design of formulation are discussed.
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