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Your partner for rubber and plastic spare parts for the sifting industry.

Screen cleaning balls

Balls for continuous screening without interruptions.
Products with outstanding wear resistance, active cleaning and deblinding.
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Polyurethane Rubber (PU)

Polyurethane (PUR and PU) is a polymer composed of a chain of organic units joined by carbamate (urethane) links. While most polyurethanes are thermosetting polymers that do not melt when heated, thermoplastic polyurethanes are also available.

Polyurethane products often are simply called “urethanes”, but should not be confused with ethyl carbamate, which is also called urethane. Polyurethanes neither contain nor are produced from ethyl carbamate.

Application

Polyurethanes are used in the manufacture of nonflexible, high-resilience foam seating; rigid foam insulation panels; microcellular foam seals and gaskets; durable elastomeric wheels and tires (such as roller coaster, escalator and skateboard wheels), automotive suspension bushings, electrical potting compounds, high performance adhesives, surface coatings and surface sealants, synthetic fibers (e.g.,Spandex), hard-plastic parts and hoses.

Rubber temperature restistance chart (in °C) Available qualities