MicrOring® Seals BN

Identification & Functionality

Polymer Name

Acrylonitrile Butadiene Rubber (NBR)

Technologies

Elastomers

Product Families

Elastomers — Parts & Shapes

Materials

Buna-N/Nitrile (NBR)

Features & Benefits

Materials Features

Alcohol Resistant,

Fuel Resistant,

Good Abrasion Resistance,

Grease Resistant,

High Tensile Strength,

Low Compression Set,

Oil Resistant,

Water Resistant

Applications & Uses

Markets

Automotive & Transportation,

Electrical & Electronics,

Healthcare & Pharma

Applications

Healthcare & Pharma — Medical

Medical Devices & Assemblies

Automotive & Transportation — Transportation

Aerospace & Aviation

Electrical & Electronics — Wire & Cable

Optical Fiber & Telecom

Plastics & Elastomers End Uses

Aerospace Seals,

Medical Devices,

O Rings

Properties

Physical Form

O-rings

Typical Properties

	Value	Units	Test Method / Conditions
Temperature Range (Dry Heat Only)	-40 to 257	°F	—
Durometers (#90)	40.0	Shore A	—

General Properties

ASTM D1418 Designation	NBR; XNBR
ASTM D2000/SAE J200 Type, Class	BF; BG; BK; CH
Economy	Excellent
Tensile Strength	Good
Resilience-Rebound	Good
Compression Set	Good
Adhesion to Metals	Excellent
Abrasion Resistance	Good - Excellent
Tear Resistance	Good
Weather Resistance	Poor-Fair
Ozone Resistance	Poor
Water Swell Resistance	Good
Steam Resistance (Under 300°F)	Fair - Good
Gas Impermeability	Fair - Good
Acid Resistance, Conc.	Fair - Good
Alkali Resistance, Conc.	Poor - Good
Alcohols	Fair - Good
Lubricating Oils Petroleum Based	Good - Excellent
Aliphatic Hydrocarbons	Good - Excellent
Aromatic Hydrocarbonds	Fair - Good
Halogenated Hydrocarbons	Poor - Fair
Phosphate Ester	Poor
Polar Solvents (keytones)	Poor

Regulatory & Compliance

Certifications & Compliance

ISO 9001,

REACH (Europe),

RoHS Compliant