Robinson Rubber - XNBR – Carboxylated Nitrile - NBR

Identification & Functionality

Chemical Family: Nitrile Rubbers,
Nitriles
Polymer Name: Acrylonitrile Butadiene Rubber (NBR)
Technologies: Elastomers
Product Families: Elastomers — Parts & Shapes
Chemical Resistance: Acids, Dilute
Acids, Concentrated
Acids, Organic (Dilute)
Acids, Organic (Concentrated)
Acids, Inorganic
Alcohol’s Good
Fair to Good
Good
Poor
Fair to Good
Fair to Good

Aldehydes
Alkalies, Dilute
Alkalies, Concentrated
Amines
Animal & Vegetable Oils
Brake Fluids, Non-Petroleum Based
Diester Oils
Esters, Alkyl Phosphate
Esters, Aryl Phosphate
Ethers
Fuel, Aliphatic Hydrocarbon
Fuel, Aromatic Hydrocarbon
Fuel, Extended (Oxygenated)
Halogenated Solvents
Hydrocarbon, Halogenated
Ketones
Lacquer Solvents
LP Gasses & Fuel Oils
Mineral Oils
Oil Resistance
Petroleum Aromatic
Petroleum Non-Aromatic
Refrigerant Ammonia
Refrigerant Halofluorocarbons
Refrigerant Halofluorocarbons w/ Oil
Silicone Oil
Solvent Resistance Poor to Fair
Good
Poor to Good
Poor
Good to Excellent
Poor
Fair to Good
Poor
Poor to Fair
Poor
Good to Excellent
Fair to Good
Fair to Good
Poor
Poor
Poor
Fair
Good to Excellent
Good to Excellent
Good to Excellent
Good
Excellent
Good
R-11, R-12, R-13
R-11, R-12
Good
Good

Features & Benefits

Materials Features: Chemical Resistant,
Good Abrasion Resistance,
Good Adhesion,
Good Colorability,
Good Sunlight Resistance,
High Gas Permeability,
High Impact Resistance,
Oxidation Resistant,
Resilient,
Steam Resistant,
Vibration Damping,
Water Resistant

Applications & Uses

Markets: Consumer Goods,
Industrial
Applications: Industrial — Chemical & Industrial Manufacturing
Equipment & Parts,
Other Industrial Applications
Consumer Goods — Footwear
Plastics & Elastomers End Uses: Belts/Belt Repair,
Footwear
Plastics & Elastomers Processing Methods: Compression Molding,
Injection Molding,
Transfer Molding

Properties

	Value	Units	Test Method / Conditions
Low Temperature Range	- 50 to - 20	°F	—
Minimum for Continuous Use (Static)	-40	°F	—
Brittle Point	- 50 to -20	°F	—
High Temperature Range	210 - 250	°F	—
Maximum for Continuous Use (Static)	250	°F	—

Safety & Health

Environmental Performance: Colorability
Flame Resistance
Gas Permeability
Odor
Ozone Resistance
Oxidation Resistance
Radiation Resistance
Steam Resistance
Sunlight Resistance
Taste Retention
Weather Resistance
Water Resistance Good
Poor
Fair to Excellent
Good
Fair
Good
Fair to Good
Fair to Good
Poor to Good
Fair to Good
Fair to Good
Good

Robinson Rubber Products XNBR – Carboxylated Nitrile Rubber