Zhangjiagang Langbo Machinery Co. Ltd.
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Co-extrusion plastic tubing production line
The multi-color extrusion of drinking straw is a good example of coextruded tubing’s design features. Striped tubing also serves many purposes in PP-R Pipe production, PE pipe production in which stripes and colors can denote different chemicals. Co-extrusion can produce internally hardened tubes through which a cable can be run while retaining the tube’s flexibility. Other tubes benefit from a high performance liner impervious to corrosives, or an inexpensive coating to add bulk and stability. In addition, plastic fiber optic cables are composed of a co-extruded cable and jacket.
Plastic is sometimes used as a substitute for wood. Manufacturers can create decking, boat docks, fences and dimensional components with “plastic lumber,” which has some advantages over natural wood. Co-extrusion is a cost-effective method of fabricating many of these artificial materials. It can add titanium dioxide, a weather resistant material, to exterior structural plastics or produce decking with an inner layer of recycled plastic.
Pipe diameter(mm) 50,75,90,110,160 75,90,110,160,200,250
Extruder(for middle layer) 65/132 80/156
Extruder (for outer& inner layer) 65/132 or 55/120 65/132
Length of vacuum tank(mm) 6000 6000
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