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Expanded high density rigid pvc sheet as a lightweight plastic material, expanded pvc can be easily cut, sawed, drilled and fabricated. it also can be painted, printed, silk-screened and laminated.
Benk pvc foam board machine also names pvc foam board extrusion line which is used plastic extrusion manufacturing process to make pvc board, furniture foam board, and construction board. benk is a professional pvc foam board machine manufacturer in china, who can produce pvc board making the machine with stable properties and excellent quality ...
Oct 01, 2001 · the plastic melt layer at the die wall is most exposed to high-frequency deformation, resulting in a large drop in melt viscosity at the die wall. this reduces die-head pressure, die swell, melt fracture, and die-lip drool. —edited by jan h. schut. chris
Alibaba offers 281 pvc calendar machine products. about 22% of these are plastic extruders, 1% are paper processing machinery, and 1% are other metal & metallurgy machinery. a wide variety of pvc calendar machine options are available to you, such as double-screw, single-screw.


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