Resin Systems
November 2002
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Three new resin systems, the RTP 2700 U, 2700 S, and 2800 B Series, combine the functional performance and properties of conventional thermoset rubbers with the processability of thermoplastics for an excellent balance of physical properties and economics, according to the supplier. With shore hardnesses ranging from 30 A to 75 D, the new systems can reportedly be formulated with properties to increase strength, impart flame retardancy, provide conductivity, and alter appearance through special effects coloring. All property enhancements are done during the initial compounding phase, which means they have a single heat history. Engineered to be compatible with a variety of rigid thermoplastics, the new systems reportedly give designers flexibility in overmolded soft touch and ergonomic applications such as grips, handles, tools, gaskets, seals, hoses, bumpers, strain reliefs, electrical boots, and wheels. They are said to permit the fabrication of “rubber-like” articles with the speed, efficiency, and economy of injection molding, extrusion, or blow molding.

RTP Company

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