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Custom Grades including MilSpec, Def STAN, NSN, AS & DTD available. Below is a sample of common grades. Contact us for your unique requirements.
Polyester Urethane (AU), Polyether Urethane (EU)
Polyurethane elastomer applications take into account high mechanical properties and abrasion resistance. The combination of these characteristics suits products like seals, mountings, belts, round belts, suspensions, rolls, solid wheels covering stamps for ceramic industry. Polyurethane products are used in the automotive industry, chemical, automation, mining, textile, shipyards. Click to view properties.
-60°C to +110°C (-76°F to +230°F)
Intermittent High 130°C (265°F)
Properties
Polyurethane elastomers are based on the poly-addition of diol-ester (AU) or diol-ethers (EU) with diisocyanate. The diol-ethers excel in mechanical strength, low heat resistance, chemical resistance and superior water resistance and high Impact resistance compared to Ester Polyurethane. The diol-ester types excel in mechanical strength, low heat resistance, chemical resistance, superior Oil resistance and has 30〜100% more mechanical strength to Ether Polyurethane but does suffer from low impact resilience.
Polyurethane elastomers can be cross linked by isocyanate, peroxides and recently new types are available with a sulphur cure system.
EMI Seals & Gaskets is known in the industry as a problem solver, helping companies worldwide to meet the ever-demanding requirements of the latest legislation, certification and performance requirements.
Book a 30-minute initial consultation with our Technical Team.
Office hours: Mon-Thu 8-5 & Fri 8-1 GMT.
+44 (0)1590 688022 / hello@emiseals.com