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Nitrile Rubber Gaskets

Nitrile Rubber Gaskets

Nitrile Rubber Gaskets are cut from rubber sheets or mould pressing. Any sizes and shapes can be produced. Whether you need one part, or one million parts, our gasket division can cut just about any size and shape that you can imagine, from just about any material.

Model:KXT 1700

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Product Description

Nitrile Rubber Gaskets

Nitrile rubber, as well known as Butadiene Acrilonitrile, Buna-N, Perbunan, or NBR rubber, was first developed in 1941 in a project meant to

find an oil resistant rubber. However, NBR’s oil resistance depends on the grade of acrylonitrile


The higher the grade of acrylonitrile the better is resistance to oil and fuel. However, as the grade of acrylonitrile increases, the endurance

to low temperatures decreases. NBR has good abrasion resistance nonetheless its physical properties are moderate in comparison with

the Natural Rubber.


Nitrile rubber gasket has outstanding resistance to: oils, petrols, solvents, and lubricants, but poor ozone resistance. Poor ozone resistance.

Good resistance to inorganic chemical products except antioxidant agents and chlorine, it has satisfactory resistance to general hydrocarbons



Good general resistance to solvents, lubricants

Good general resistance to oils, petrols

• Good compression set, tear strength

Wide range of sevice temperature

Good resistance to alkalis acids

Good tensile strength, flexibility

Moderate aging properties

Good adhesion to metal.

Good use with water

Has good recovery


NBR rubber Properties


NBR rubber

Test Method


black., etc


Specific gravity




40°-80° Shore A

ASTM D2240

Tensile strength

13 MPa (min)


Elongation at break

250% (min)



Normal or custom


Tear strength

35 N/mm

ASTM D 624

Low temperature resistance


ASTM D1329

Temperature range

-25°C to +120°C

ASTM D2000


Key: = Excellent , = Good, = Fair, X = Not Recommende

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