Material/ Material

Material

O-Ring Materials-IIR

CNL seals is the specialized O ring manufacturer and rubber o-ring products supplier. O-ring is the most common and economic seals. O ring material:VITON/FPM/FKM/FFKM/NBR/HNBR... Custom molded products and die-cuts. O ring is suitable to use in static and dynamic applications. CNL O-ring is the best choice and high quality o-rings for static and dynamic applications.

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Rubber type
(ASTM Abbreviation )
Butyl Rubber
IIR
Chemical structure Butene with a small amount of iso-prenes polymer 
Main feature Weather resistant, ozone resistant, animal or vegetable oil resistant and oxidizable chemicals.
Pure rubber properties proportion
Muni viscosity ML1+ (100℃)
0.91 ∼ 0.93
45 ∼ 75
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
50 ∼ 80
-40 ∼ 100
-50 ∼ 120
50 ∼ 150
800 ∼ 100



Various properties of synthetic rubber lubricating oil Engine oil
Gear Oil
Motor oil
Shaft lubricant
Refrigeration oil
Butter
Lithium oil
Oyster sauce
X
X
X
X
X
X
X
Working oil Pot shaft oil
Oil + Water emulsion system
Water + Glycol
Phosphate ester
Si
Brake Fluid
Gear oil
X





X
Fuel oil Light oil、kerosene
Heavy oil
Gasoline
X
X
X
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





X
X




X

 
Gas LPG
Urban gas
Ozone
Freon 12
Freon 22
X



Other

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



The main purpose Rubber parts for vacuum equipment.
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