Polyurethane — McNeall Plastics
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POLYURETHANE

Chemical Name: Polyurethane-elastomer

Common/Trade Names: Austane®, Urethane®, Lurathane®

Abbreviation: PUR

Properties (Colour): Typical colours range from black, red, greens, yellows and blues to name a few. Colours will determine a hardness grade with most manufacturers.

Machining: Can be difficult to machine. Hardnesses above 80 Duro are more readily machined; below this hardness parts are usually cast to shape or rough machined. Closer tolerances are achieved by grinding.

Types: Polyester base. Urethanes mostly for dynamic applications. Polyether base Urethanes for moist environments. Hardness range from 40 Duro’A’ to 75 Duro ‘D’. Cellular foam.

Chemical Resistance: Resists water, oils, chemicals and solvents.

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