Material/ Material

Material

O-Ring Materials-NBR

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Rubber type
(ASTM Abbreviation )
Nitrile Rubber
NBR
Chemical structure Butadiene、Acrylic gel copolymer
Main feature Oil resistant, water resistant, abrasion resistant, high oil pressure resistant, non-polar solvent resistant.
Pure rubber properties proportion
Muni viscosity ML1+ (100℃)
1.00 ∼ 1.20
30 ∼ 100
Physical properties of synthetic rubber Possible JIS hardness range
General temperature range(℃)
Special temperature range(℃)
Tensile strength (kg/cm2)
Elongation (%)
Anti-elastic
Cracking
Wear resistance
Bending resistance
40 ∼ 90
-30 ∼ 100
-50 ∼ 120
50 ∼ 250
800 ∼ 100



Various properties of synthetic rubber lubricating oil Engine oil
Gear Oil
Motor oil
Shaft lubricant
Refrigeration oil
Butter
Lithium oil
Oyster sauce







Working oil Pot shaft oil
Oil + Water emulsion system
Water + Glycol
Phosphate ester
Si
Brake Fluid
Gear oil



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Fuel oil Light oil、kerosene
Heavy oil
Gasoline


Water Water、Warm water
Water vapor、Hot water
Antifreeze water
Water cutting oil



Drug

Hydrochloric acid 20%
Sulfuric acid 30%
Nitric acid 10%
Caustic soda 30%
Benzene
Trichloroethylene
Alcohol
Vinyl glycerol
Liquid fat
Alcohol
Ether
Ketone (MEK)
Acetic acid、Ethyl ester



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Gas LPG
Urban gas
Ozone
Freon 12
Freon 22




Other

Food Sanitation Law
Vacuum、Atmosphere 10mm kg 
10-4 ~ 10-9



 
The main purpose Fuel tank、Hydraulic oil、Oyster sauce、Grease、Water...Seals。
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