Dowty Seals, Cup Seals, Metal Cladded Oil Seals, Rubber Oil Seals, Mumbai, India

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Polymer        Astm.
  Designation      (D1418)
Dura     meter
Abrasion  Resistance Temp range Compression set Advantages
Nitrile NBR 40-900A Excellent -400F to 2500F Good Oil Resistance to 2500 F.
Neoprene CR 40-900A Good -400F to 2300F Good Ozone & oil resistance & heat resistance.
Styrene      butadiene SBR 35-900A Excellent -650F to 2250F Good Heat resistance & ozone resistance.
Viton FKM 60-900A Good -1300F to 4500F Excellent Resistance to dry heat & oil.
Silicon SI 30-850A Poor -1200F to 4500F Excellent Food grade & good electric properties.
EPDM EPR 35-900A Good -400F to 3000F Good Ozone Resistance.
Natural    Polysoprene NR 30-950A Excellent -650F to 1800F Good High Resistance.


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