What are the most popular types of Nitrile?
TYPES OF NITRILE:
Abbreviation: NBR (Nitrile Butadiene Rubber)
Temperature range: (Buna-N) between -40°C and +135°C; (Low-Temp) between -65°C and +120°C
Hardness Range: 20 – 95 Shore A
Key uses: Aircraft, Automotive and Marine fuel systems, Oil resistance application of all types, low-temperature military uses
Best chemical resistance to: Animal & Vegetable Oils, Fuels, Hydraulic Fluids, Solvents and Water
Best physical and working properties: Abrasion Resistance, Compression Set, Tear Resistance and Water Resistance
Abbreviation: HNBR (Hydrogenated Nitrile Butadiene Rubber) or HSN (Highly Saturated Nitrile)
Temperature range: between -26°C and +160°C
Hardness range: 30 – 95 Shore A
Key uses: All oil resistant applications, Automotive fuel handling systems, Can be used with Petroleum Oils
Best chemical resistance to: Alcohols, Fuels, LP Gasses & Fuel Oils, Mineral and Motor Oils
Best physical and working properties: Oxidation Resistance, Ozone Resistance, Tear Resistance, Abrasion Resistance and Compression Set
Abbreviation: XNBR (Carboxylated Nitrile Butadiene Rubber)
Temperature range: between -54°C and +135°C
Hardness range: 50 – 90 Shore A
Key uses: Dynamic applications, such as rod wipers, Rubber belts, Reciprocating oil seals
Best chemical resistance to: Oils, Petroleum Based Fluids, Hydraulic Fluids, Animal & Vegetable Oils
Best physical and working properties: Impact Resistance, Abrasion Resistance and Tear Resistance
For more detailed comparison, please see our Nitrile Comparison Chart.
M Barnwell Services is the UK’s largest independent stockist, manufacture, and distributor of fluid sealing products and services. For more information about Barnwell O Rings click here.
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