Materials . . . RUBBERS & ELASTOMERS

• Rubber-like properties
• High-heat performance

Thermoplastic vulcanizate elastomers.

Forprene TPV compound elastomers consist of a polyolefin phase with a cross-linked ethlyene-propylene-diene mono-mer rubber phase dispersed throughout. This blend provides rubber-like properties, but with the advantage of melt-processability inherent to a thermoplastic. The product line is uniquely broad with Shore hardnesses ranging from 35A to 60D, and with specific grades tailored for injection molding, extrusion, blow molding and calendering. Heat-, copper- and UV-stabilized, flame-retardant, very-high-flow and anti-fogging grades of the product line are also available. FORPRENE can be used in diverse markets such as automotive, building and construction, consumer products, medical, and wire and cable. M.A. Hanna Co, Cleveland, OH. http://www.1rs.com/012df-601

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PTFE tank lining material. LFP is a flexible material rated for a constant temperature of 500°F. Unique tear strength and flexing capability allow the material to function in severe chemical and mechanical environments at extreme temperatures without requiring bonding to the tank walls. An LFP liner, which can be fabricated, molded and vacuum-formed into most shapes and sizes, will make existing tanks corrosion and leak free. Textiles Coated International, Amherst, NH. http://www.1rs.com/012df-602 

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Rubber products. Expansion joints, reducers, fittings, elbows, ductwork connections, vibration pipe and custom designs are all available through the Redflex line of rubber products. All products are made to high quality standards and conform to all FSA guidelines. Parts can be custom-built to compensate for offset flanges, special face-to-face dimensions or unique configurations. Sizes range from 1- to 108-in. Red Valve Company Inc, Carnegie, PA. http://www.1rs.com/012df-612

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Higher performance TPEs. An expanded line of TPEs include Versalloy elastomer alloys that offer a thermoplastic elastomer that performs well in more demanding environments. The line is chemical-, oil- and grease-resistant, and has improved compression set properties at elevated temperatures. The line also features good tear strength, weatherability, overmolding capabilities and easy processability. All grades can be either injection-molded or extruded. GLS Corp, McHenry, IL. http://www.1rs.com/012df-604

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Quasi-prepolyers. Baytec MP-210 and ME-230 can produce polyurethane elastomers with good overall physical properties under less demanding processing conditions than conventional hot-cast elastomers. The applications for these two products range from adhesives and microcellular foams to elastomers used for in-line skate wheels and industrial casters. Advantages include favorable mix ratios and processable at room temperatures. Bayer Corp, Pittsburgh, PA. http://www.1rs.com/012df-605

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Sound dampening barrier. An instant curing coating called Ultra Light-Weld 4-20539 has been introduced. This low durometer resin, when applied to a variety of materials and constructions, serves as a dampener or barrier to prevent sound vibrations from migrating from their source into adjacent environments. The soft, resilient elastomer has good adhesion to metal and most plastics. A wide range of dispensing options is possible with the moderate viscosity, 1000 cP adhesive. Dymax Corp, Torrington, CT. http://www.1rs.com/012df-606

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Custom thin films. Precision-skived, thermoset cast polyurethane thin films are available in a wide range of dimensions. These films may be custom formulated to meet a variety of chemical, physical and electrical conductivity requirements. Applications include abrasion-resistant coatings and transparent coverings for switches, self-adhesive tapes, furniture edging, gaskets, diaphragms, impingement protection and static control. Mearthane Products Corp, Cranston, RI. http://www.1rs.com/012df-607

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Flexible porous rain guard composite. Poseidon Water Guard Materials are designed specifically to protect electronic devices exposed to environmental factors such as rain, splashes and temporary submersion. The composite can be used for audio vent covering, microphones, alarms, cellular phones, electronic venting and speakers. The materials are available in two grades to suit a wide range of applications. Custom grades for specific applications are also available. Pall Corp, Ft Washington, NY. http://www.1rs.com/012df-610

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