nitrile rubber

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nitrile rubber

[′nī‚trīl ‚rəb·ər]
(materials)
A synthetic rubber formed by polymerization of acrylonitrile with butadiene; the structure of the polymer is ‒CH2CH=CHCH2CH2CH(CN)‒. Also known as acrylonitrile-butadiene rubber; acrylonitrile rubber; NBR; nitrile-butadiene rubber; NR.

nitrile rubber

A synthetic rubber which has good resistance to oils and solvents; produced by copolymerizing butadiene and acrylonitrile.
References in periodicals archive ?
Tenders are invited for Supply Of Buna-N Rubber Hose Confirming To Std.
Diaphragms are available in Buna-N, EPDM, Geolast, Neoprene, Polyurethane, PTFE, Viton and Wil-Flex.
Availability with Buna-N, EPDM, Viton, and Silicone seals.
The cone sealing option is available in Buna-N and Silicone.
Brahma pumps can be ordered with aluminum or ductile iron wetted materials and buna-N or neoprene elastomers for the most demanding applications.
Bulb-Vac tool comes with one 3/4" diameter static dissipative Buna-N vacuum cup.
These stock components are available in a choice of acetal and polypropylene with either a Buna-N or EPDM O-rings.
Units incorporate standard features including adjustable travel stops, captive springs (single acting model only), aluminum alloy body and end caps with Cataphoresis and Rilsan coating inside and outside for maximum corrosion resistance, Cataphoresis coated steel output shaft with double o-ring seal on top and bottom, aluminum alloy pistons, nylon piston guides, PTFE and bronze piston guide rings, self-lubricating BUNA-N O-Rings and stainless steel external hardware.
Optional Buna-N floats allow for use with oils, gasoline and lower density fluids.
The non-magnetic, polished stainless steel shaft is sealed with a high tensile, low friction Buna-N U-Cup seal.
The valve has Buna-n seals standard, with optional Vityon, ERP, and Teflon seals available for efficient operation in wet, high, or low-pressure environments.
One of the newest products is the Guardian LJW Straight Jaw Coupling, an all-purpose steel jaw coupling with a Buna-N rubber insert.