What are the advantages of common oil seal materials? For example NBR, FKM
FKM/FPM(fluoroelastomer)
Advantage:
1. Excellent Resistance to High Temperatures
2. Excellent Resistance to Abrasion
3, Outstanding Oil Resistance
4. Outstanding Weather Resistance
5. Outstanding Ozone Resistance
6. Outstanding Water Resistance
Disadvantage:
1.Poor Low Temperature Resistance
2.Poor Oxygenated-Solvent Resistance
Temperature : -20ºC~230ºC , -40ºC~250ºC(special formula)
Application:
1.For Auto
2.For Aerospace
3.For Electronic Products
Material SIL(Silicone Rubber)
Advantage:
1,Excellent Rebound Resistance
2,Excellent Oxygen and Ozone Resistance
3,Excellent Weathering and Heat Resistance
4,Excellent Heat and Low Temperature Resistance
5,Good heat insulation and heat dissipation.
6,Good electrical insulation
Disadvantage:
1,Poor Aliphatic-solvent Resistance
2,Poor Alkaline Resistance
Temperature : -50ºC-220ºC, -60ºC-300ºC(special formula) NOK-CN Facrory
Material NBR(Nitrile Rubber/Buna-N)
Advantages
1. Outstanding Abrasion Resistance and Good Rebound Resistance
2, Good Elongation and Tensile Strength
3, Outstanding Vegetable and Animal Oil Resistance
4, Strong Resistance to Fuel and Oil
5 Excellent Water Resistance
Disadvantage
1.Poor Oxygenated-Solvent Resistance
2.Poor Ozone Resistance
Temperature: -40ºC-100ºC, -55ºC-120ºC(special formula) NOK-CN Facrory
Material EPDM
Advantage
1,Excellent Weathering Resistance
2,Excellent Ozone Resistance
3,Excellent Flame Resistance
4,Excellent Heat Resistance
5,Excellent Water Resistance
6,Excellent Oxygenated-Solvent Resistance
Disadvantage
1,Poor Oxygenated-Solvent Resistance
2,Poor Oil and Fuel Resistance
Temperature: -40ºC-120ºC, -40ºC-150ºC(Special formula)
Related Product:
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