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POLYURETHANE (PU)

Material Information

Polyurethane is an organic polymer known as an elastomer that offers the elasticity of rubber, the toughness and durability of metal, and a very broad hardness range. Because of this combination of properties, polyurethane can replace rubber, plastic, or metal. Urethanes have better abrasion and tear resistance than rubber while offering a higher load bearing capacity. They also have superior impact resistance, excellent wear properties, and elastic memory when compared to plastics. Urethanes commonly replace metal because of the weight reduction, the noise abatement, and improved wear resistance. Overall polyurethane has excellent abrasion resistance, oil and solvent resistance, load bearing capacity, tear resistance, weather resistance, flex life, electrical properties, heat and cold resistance, and noise abatement. It is available in precision-cast sheets, fabric-backed sheets, bars, rods, and tubes.

Application

  • Belts
  • Wheels
  • Arc shields in railroad cars
  • Wear strips
  • Metal forming pads
  • Bumpers
  • Gears
  • Bellows
  • Machinery mounts
  • Cutting surfaces
  • Sound-dampening pads
  • Chute and hopper lines
  • Prototype machined parts
  • Gaskets
  • Seals
  • Rollers
  • Roller covers

Properties

  • Very broad hardness range
  • High elasticity
  • Tough and durable
  • Excellent abrasion resistance, oil and solvent resistance, tear resistance, weather resistance, and heat/cold resistance
  • Excellent flex life
  • Excellent electrical properties
  • Abates noise

Specifications

Disclosure: The information contained herein are typical values intended for reference and comparison purposes only. They should NOT be used as a basis for design specifications or quality control. Contact us for manufacturers’ complete material property datasheets. All values at 73°F (23°C) unless otherwise noted.

 

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