Military Grade Nitrile Rubber

BRP manufactures military grade nitrile rubber that conform to Mil-R-3065, Mil-R-2765 (PRF) Mil-G-1149 (PRF) specifications. Nitrile rubber, also known as Buna-N or NBR rubber, is an economical material that provides high resistance to oils and hydrocarbon based fluids. Military grade nitrile rubber is a synthetic rubber polymer known for its superior resistance to fuels such as kerosene, diesel, lubricating oils, grease and petroleum based transmission fluids.

BRP offers military grade nitrile rubber in sheet, cloth inserted, extruded, or molded forms. It’s specifically formulated to prevent swell and sealing degradation. Military grade nitrile rubber offers resistance to compression set and maintains its mechanical properties, especially tensile, to allow for years of trouble free service when properly applied.

Military grade nitrile rubber is not recommended for antioxidant agents, chlorine and polar liquids like ketones (acetone), ethers (degreasers), and amines (certain herbicides and fungicides). It has poor weathering characteristics and is not recommended for use in environments where it can be attacked by ozone, ketones, esters, aldehydes, chlorinated and nitro hydrocarbons.

Keep in mind the higher the acrylonitrile (ACN) content, the higher the oil resistance – however the low temperature performance flexibility will be poor. As always, please review your application and chemical compatibility chart for proper selection.

Military Grade Nitrile

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Description Durometer Tensile (Min PSI) Elongation (%) Temperature Range (F) Specification Conforms to ASTM D20000 Spec Sheet Quote

SB415

40

1,500

Mil-R-3065
SB415A1B1E3F1

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SB515

50

1,500

Mil-R-3065
SB515A1B1E3F1

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SB615

60

1,500

Mil-R-3065
SB615A1B1E1E3E5F1

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SB715

70

1,500

Mil-R-3065
SB815A1B1C1E3F1

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SB815

80

1,500

Mil-R-3065
BG815A1B1C1E3F1G

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Mil-R15624 (.PRF)
Type 3

50

1,300

1S720-XXXX-XX

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Mil-R-2765

35 - 55

1,000

1S735-XXXX-XX

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Mil-G-1149 (.PRF)
Type 1
Class 5

50

1,500

1S785-XXXX-XX

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Mil-G-1149 (.PRF)
Type 2
Class 5

60

1,500

1S790-XXXX-XX

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