This black nitrile rubber is efficient in temperatures ranging
-22°F to 185°F and still maintains its flexibility.


The 3R846 is an ideal material for applications in environments where there are concentrations of gas, oil, grease or solvents.


Technical Data

Polymer Type Nitrile NBR
Color Black
Hardness (Shore A) ± 5 60
Temperature -30°C to 85°C (-30°F to 185°F)
Tensile Strength, lbs/in² 1000
Elongation minimum, % 350
Compression Set Good
Abrasion Resistance Good
Tear Resistance Fair
Ozone Resistance Poor
Impermeability to Gases Excellent
Resistance to Dilute Acid Good
Resistance to aromatic hydro-carbons Good
Heat Aging Very Good
N.B. The information, details and values indicated are to the best of our knowledge. We recommend to conduct tests according to local conditions. The data is subject to some variations without notice.