O-Ring Materials-EPDM,EPT
With ethylene and propylene copolymer (terpolymer) chemical structure. Ethylene Propylene Rubber features are anti-aging, ozone resistance, weather resistance, chemical resistance, abrasion resistance, water resistance, alcohol resistance and ketones, not for food use or exposure to aromatic hydrogen. CNL EPDM O-Ring Seals specifications and compatibility.
Operating temperature: –65 to +250 °F
Best● Better○ Good△ BadX
Rubber type (ASTM Abbreviation ) |
Ethylene Propylene Rubber EPDM, EPT |
||
Chemical structure | Ethylene and propylene copolymer (terpolymer) |
||
Main feature | Anti-aging, ozone resistance, weather resistance, chemical resistance, abrasion resistance, water resistance, alcohol resistance and ketones, not for food use or exposure to aromatic hydrogen. | ||
Pure rubber properties | proportion Muni viscosity ML1+ (100℃) |
0.86 ∼ 0.87 50 ∼ 150 |
|
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 -40 ∼ 130 -50 ∼ 150 50 ∼ 200 800 ∼ 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% |
● ● ○ ● X X ● ● X ● ○ ● ● |
|
Gas | LPG Urban gas Ozone Freon 12 Freon 22 |
X △ ● △ △ |
|
Other |
Food Sanitation Law |
● ● |
|
The main purpose | Wire covering, automotive windshield, window frame, water vapor radiator. |