O-Ring Materials-CR
With chloroprene chemical structure. Neoprene Rubber features are good elasticity and weather resistance, ozone, heat, medicine, grinding, atmospheric aging and animal and vegetable oils.
Operating temperature: –40 to +225 °F
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| Rubber type (ASTM Abbreviation ) |
Neoprene Rubber CR |
||
| Chemical structure | Chloroprene | ||
| Main feature | Good elasticity and weather resistance, ozone, heat, medicine, grinding, atmospheric aging and animal and vegetable oils. | ||
| Pure rubber properties | proportion Muni viscosity ML1+ (100℃) |
1.15 ∼ 1.25 45 ∼ 120 |
|
| 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 ∼ 80 -30 ∼ 90 -40 ∼ 100 50 ∼ 250 1000 ∼ 100 ● ○ ○ ~ ● ○ |
|
| Various properties of synthetic rubber | lubricating oil | Engine oil Gear Oil Motor oil Shaft lubricant Refrigeration oil Butter Lithium oil Oyster sauce |
△ △ △ 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 |
X ○ ○ ○ |
|
| Drug |
Hydrochloric acid 20% |
○ ○ X ○ X X ● ● X ● X ~ △ △ ~ ○ X |
|
| Gas | LPG Urban gas Ozone Freon 12 Freon 22 |
X △ ● ● ● |
|
| Other |
Food Sanitation Law |
X ● |
|
| The main purpose | Resistant to R12 coolant, household appliances, seals exposed to atmospheric sunlight and chemical corrosion. | ||