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Posted by Pacific West Plastics
Polyurethane is a highly cost effective elastomer, designed to provide an ideal combination of properties which are not available in conventional rubber, metal, or thermoplastics. Featuring a high abrasion resistance and superior load bearing capability, polyurethane applications often include being used as an alternative product where severe wear proves challenging for most conventional materials in industrial settings.
The impact resistance of polyurethane is exceptional, even at low temperatures, and this highly resilient material also offers resistance to cracking, tearing, breaking or swelling. The unique flex and compression properties provide solutions for high impact operations, intense load-bearing applications and harsh operating environments.
Its elastic behaviour will allow recovery after the application of high loads, unlike plastic parts that could deform under load. Metal construction components including, pins, bearings, fasteners or injection moulded parts can be inserted during the production process, further extending the applications scope. No other plastic engineering material offers this wide a scope of applications possibilities.
Polyurethane sheet, rod and tube are extensively used as a metal or rubber replacement material in industries ranging from materials handling, building/construction, mining, transport, industrial manufacturing, packaging or electrical.
Elbow couplings traditionally made from steel were replaced with polyurethane, because of the increased abrasion and corrosion resistance offered. Moulded Polyurethane couplings also proved to be a more cost effective alternative.
The original steel hydraulic hose clamps proved too hard and rigid, causing damage to the hydraulic fittings. Polyurethane clamps, manufactured using polyurethane sheet, eliminated this problem and extended the service life of the fittings. The clamps could be supplied in a range of polyurethane colours to assist with easier identification.
Because the adhesion between polyurethane and other materials is often stronger than the elastomer itself, polyurethane rollers and wheels provide high strength for rugged performance over an extended service life.
Polyurethane has a higher abrasion resistance than conventional rubber and can be precision cast to intricate shapes as shown in this coupling application.
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