Radial seal (packing box) with spring and extra dust lip, made of nitrile rubber (NBR) with dimensions 19.05x38.1x7.93 mm.
Advantageously used together with hydraulic oils, vegetable oils, animal oils, acetylene, water, air, alcohol, fuels and many other media.
✔ Wide temperature range
✔ High and constant friction
✔ Resistant to oils and acids
✔ Very good dynamic properties
✔ High abrasion resistance, even at high temperature
✔ Outstanding antistatic properties of black nitrile rubber (with carbon black)
| Specification | |
| Product | Radial seal 19.05x38.1x7.93 TC (NBR) |
| Hardness | 70° Shore |
| Max pressure | 0.5 bar |
| Temperature range | -30°C to +100°C |
| Material | Nitrile rubber (NBR) with steel spring |
| Dimensions | |
| Inner diameter ( d1 ) | 19.05 mm |
| Outer diameter ( D ) | 38.1 mm |
| Width (b ) | 7.93 mm |
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|
| Resistance Table - Nitrile Rubber (NBR) |
|
|
Very Good ✔ ✔✔ Good ✔✔ Good ✔ Bad X |
|
| Acetaldehyde |
✔ |
| Acetamide | ✔ ✔✔ |
| Acetone | X |
| Acetylene | ✔✔✔ |
| Aluminum acetate | ✔ ✔ |
| Aluminum chloride | ✔✔✔ |
| Ammonia | ✔✔ |
| Ammonium chloride | ✔✔✔ |
| Ammonium hydroxide | X |
| Amyl acetate | X |
| Aniline | X |
| ASTM oil 1 | ✔✔✔ |
| ASTM oil 3 |
✔✔✔ |
| Benzene | X |
| Butane | ✔ ✔✔ |
| Butyl alcohol | ✔✔✔ |
| Benzoic acid | X |
| Citric acid | ✔✔✔ |
| The decal | X |
| Dibenzyl ethers | X |
| Dibutyl phthalate | X |
| Dimethylformamide | ✔✔ |
| Ethane | ✔✔✔ |
| Ethanol | ✔ |
| Ethyl chloride | ✔✔✔ |
| Ethyl ethers |
✔ |
| Ethylene chloride | X |
| Ethylene glycol | X |
| Formaldehyde | ✔ |
| Freon 12 | ✔ ✔ |
| Freon 22 | X |
| Phenol | X |
| Forphoric acid | ✔ ✔ |
| Kerosene | ✔✔✔ |
| Glucose | ✔✔✔ |
| Glycerin | ✔ ✔ ✔ |
| Heptane | ✔ ✔ ✔ |
| Hexane | ✔ ✔ ✔ |
| Hydraulic oil (petroleum based) | ✔ ✔ ✔ |
| Isooctane | ✔ ✔ ✔ |
| Isopropanol | ✔ ✔ |
| Calcium chloride | ✔ ✔ ✔ |
| Calcium hydroxide | ✔ ✔ ✔ |
| Calcium sulfide | ✔ ✔ ✔ |
| Carbon disulfide | X |
| Carbon tetrachloride | ✔ ✔ |
| Chlorine (wet) | X |
| Chlorine (dry) | X |
| Chloroform | X |
| Chromic acid | X |
| Creosote | ✔ ✔ ✔ |
| Nitrogen | ✔✔✔ |
| Potassium nitrate | ✔✔✔ |
| Methane | ✔✔✔ |
| Methanol | ✔✔✔ |
| Methyl alcohol | ✔✔✔ |
| Methyl chloride | X |
| Methyl ethyl ketone | X |
| Methylene chloride | X |
| Naphtha | ✔✔ |
| Nitrobenzene | X |
| Sodium carbonate | ✔✔✔ |
| Sodium chloride | ✔✔✔ |
| Sodium hydroxide | ✔✔ |
| Oleum | X |
| Oxalic | ✔✔ |
| Propane | ✔✔✔ |
| Castor oil | ✔✔✔ |
| Stearic acid | ✔✔ |
| Sulfuric acid (concentrated) | X |
| Oxygen (cold) | ✔✔ |
| Oxygen, 93-204°C | X |
| Hydrochloric acid 37% cold | ✔ |
| Nitric acid | X |
| Silicone oil | ✔✔✔ |
| Tetrachloroethane | X |
| Tetralin | X |
| Toluene | X |
| Triethanolamine | ✔ |
| Turpentine | ✔✔✔ |
| Hydrogen gas | ✔✔✔ |
| Hydrogen peroxide | ✔✔ |
| Water | ✔✔✔ |
| Xylene | X |
| Steam, below 176°C | X |
| Acetic acid | ✔✔ |
| Restrictions | Should not be exposed to highly polar solvents such as Acetone, MEK, Chlorinated hydrocarbons and nitrocarbons, which are known to cause rapid and extreme degradation. Further limitations to the use of Nitrile are applications with direct sunlight and ozone exposure |