Thermoplastic Polyurethane, Engineering (ETPU)
Engineering thermoplastic polyurethanes (ETPUs), also called rigid thermoplastic polyurethanes, are amorphous polymers produced by reacting isocyanate with a glycol. These products combine the toughness and dimensional stability of amorphous resins with the chemical resistance of crystalline materials. ETPU's are know for their high clarity, high impact, high stiffness, good abrasion resistance and good chemical resistance. Because of their very low melt viscosity RTPU's are normally processed by injection molding. Typical applications include fuel bowls, IV connectors, water valves, ball valves, underground electrical box lids, oil and gas sucker rods, wheelchair components, and high strength nuts and bolts.
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