Coating wire/cable, extrusion

Extrusion Coating -Wire/cable Coating -Pipe -... 

P Injection, blow, extrusion and rotational Pipe, pipe fittings, surgical implants, coatings, wire and cable insulation... 

Polyethylene is readily fabricated by all methods of thermoplastic processing. The principal methods used are film and sheet extrusion, extrusion coating, injection molding, blow molding, pipe extrusion, wire and cable extrusion coating, rotomolding, and hot melt and powder coatings. 

An example of an exception to the use of a screw operating extruder occurs when a very low melt plastic such as PTFE (polytetrafluoro-ethylene) is to be used where its specialty properties are needed. PTFE does not easily melt, particularly in the production of heavy wall PTFE wire coatings, so ram extrusion is used. Ram extrusion is used for these wire and cable jobs and also for producing rods, tubes, and large round solid cakes that are later skived to make PTFE film. 

Products A wide range of bimodal and unimodal products, with a full control of comonomer distribution, can be produced, with densities ranging from 918 to 970 kg/m3 and melt flowrate from less than 0.1 to over 100. The molecular weight distribution can be controlled from narrow to broad. Advanced properties are tailor-made applications such as pipe strength, film bubble stability as well as high ESCR and stiffness in blow molding. Other special applications include extrusion coating and wire cable. 

Use Film and sheeting flooring coated fabrics wire, cable and other extrusions organosols plasti-sols and plastigels lacquers and rubbers. 

Petrothene [Quantum]. TM for polypropylene resins for blown, cast, and water-quenched films, substrate coating, wire and cable coating, injection molding, blow molding, thermoforming, pipe extrusion, calendering. 

Extrusion Film (packaging and industrial), pipe, wire cable, coated paper, fibers 2517 540 741... 

Uses Extrusion grade engineering thermoplastic for tubes, industrial hoses, monofilaments, coatings for cable and wire, and for coextrusion with other materials for use as a barrier layer in containment appiics. Features General-purpose Carmine FG [MLG Enterprises]... 

Chem. Descrip. Platy microcryst. talc CAS 14807-96-6 EINECS/ELINCS 238-877-9 Uses Reinforcing agent for extrusion wire/cable applies. gloss control agent in paints/coatings... 

Uses Compatibilizer in blends and alloys polymeric coupling agent in reinforced or recycled PE or PP, adhesives, sealants extrusion coating resin cable/wire Jacketing pipe/profile extrusions film (sacks, food wrap, earner bags) inj. mold goods (toys, elec, fittings, bushes, seals, components) rotationally molded tanks, boats textile adhesives hot melts... 

Typical processing methods compression molding, electrostatic powder coating, fluidized bed coating, film/tube extrusion, flame and plasma spraying, injection molding monofilament extrusion, wire cable injection molding ... 

From the late 1930s through the end of World War II, polyethylene was primarily used for the manufacture of wire and cable in support of the war effort. Scientists and engineers were involved in the extrusion-coating process required for wire and cable applications. Figure 6.2 shows the extrusion equipment used to coat wire with a polyethylene jacket. Note that the application date in Britain was November 3, 1941, long before the patent was issued in the United States as U.S. Patent 2,384,224 dated September 4,1945. 

Figure 6 Extrusion of thermoplastic (polyethylene) materials for production of polyethylene-coated wire and cable key parts include 1. Wire 2. Die 3. Polyethylene 4. Cooling chamber 5. Cooling water. Example 1 wire, was 1.2 mm in diameter polyethylene coating overall diameter was 7 mm extrusion rate 10 feet/minute, Temperature 130 C the covering on the wire is set solid and free of voids on exiting the cooling chamber.

Podolsak AK, Tiu C. A review of wire coating and cable sheathing extrusion processes. Poly Plast Tech Eng 1988 27 389. 

Extrusion Coating 10P, IIP, 16P, 16SPO, 18SP, 252, C-2494, C-2499. Wire/cable Coating B319. 3530. 500BK1. 1250BK40 Pipe -... 

Product Range 19 extrusion grades for pipe, sheet and wire/cable coatings. ... 

Due to its balance of strength, oil resistance, inflammability, increased resistance to ozone, ageing and weathering, polychloroprene finds widespread industrial use. Typical uses are V-belts, conveyor belts, wire and cable jacketing, footwear, wet suit applications, coated fabrics, inflatables, hoses, extrusions and many other goods. Adhesives are also a strong market area. 

Film (packaging, trash bags, household wrap, drapes, tablecloths), 59% extrusion coating, 17% injection molding (squeeze bottles, toys, kitchen utilityware), 6% wire and cable, 4% adhesives and sealants, 4% miscellaneous, 10%... 

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