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Polyurethane Products

Polyurethane Elastomers are extremely versatile rubber-like materials with widespread applications. Polyurethane has a unique design and construction, combining many of the advantages of engineering plastics, metals and ceramics with the flexibility of rubber.

There are many different types of Polyurethane:

  • POLYETHER / TDI
  • POLYETHER / MDI
  • POLYESTER / TDI
  • POLYESTER / MDI

As a general guide:

  • Polyethers are recommended for applications were parts undergo dynamic stress. ie. They incur lower heat build-up. They also have advantages in resilience, low temperature performance and resistance to water attack (hydrolysis).
  • Polyester based urethanes have superior cut, tear, abrasion, oil and solvent resistance.
  • MDI based products have superior hydrolysis resistance and higher resilience.
  • TDI based products are less sensitive to moisture, have lower cure temperature requirements compared to MDI types.

High performance thermoplastics & polyurethane are a proven rubber replacement in high abrasion and high wear applications. Thermoplastics & polyurethane are also chosen for their impact strength, machining capability and economical benefits.

Polysource has great experience in Polyurethane castings, and supplies solutions which outperform rubber in applications requiring high rigidity and stiffness, excellent load bearing capacity and wear resistance. Precision casting of Polyurethane parts is possible with relatively low set-up costs and broader flexibility in terms of colour options.

Polysource Polyurethane sheet, rod and castings are extensively used as a rubber replacement material in industries ranging from materials handling, building & construction, mining, transport, industrial manufacturing, packaging and electrical.

Advantages of Polyurethane:

  • Abrasion resistance.
  • Toughness – tensile strength.
  • High load bearing ability.
  • High tear resistance.
  • Mechanical properties.
  • Resistance to water, oil, grease.
  • Electrical properties
  • Corrosion resistance