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Extrusion processes – free foam vs. celuka (‘sell-oo-ka) there are two methods of producing cellular rigid pvc parts: “free foaming” and celuka processing. in the free-foam method, the cellular foam pvc melt expands freely after leaving the die head, prior to entering the
Pvc free foaming extrusion line. date:2010-05-08 browse:247. pvc free foaming board applicationpvc free foamed board is widely used in bus and train roofing, core layer of box, advertisment board, decoration board, furniture board,construction decoration material, advertisement board, upholstery for train, ...
It is gwell machinery company newly designed foaming board extrusion line,through the co-extrusion,it produces the no foaming rigid pvc layer to cover the foaming layer, it highly improve the foaming board surface hardness,the performance of this machine is stable and the technology belongs to the most advanced level in chinese market.
Plastic extruded & co-extruded tubing freelin-wade designs and manufactures extruded plastic tubing for a variety of industries including dental, medical, food service, and more. we also carry more than 4000 stock extruded plastic tubing products that you can buy online.

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