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 | Elastomer Fluid Compatibility Guide
A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | R | S | T | U | V | W | X | Z
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| Naphtha | 2 | 1 | 4 | 2 | 2 | 4 | | Naphthalene | 3 | 1 | 4 | 4 | 4 | 4 | | Natural Gas | 1 | 1 | 4 | 1 | 1 | 1 | | Neatsfoot Oil | 1 | 1 | 2 | 1 | 1 | 4 | | Neon | 1 | 1 | 1 | 1 | 1 | 1 | | Neville Acid | 1 | 1 | 2 | 4 | 4 | 4 | | Nickel Acetate | 4 | 4 | 1 | 2 | 2 | 2 | | Nickel Chloride | 1 | 1 | 1 | 1 | 1 | 2 | | Nickel Salts | 1 | 1 | 1 | 1 | 1 | 2 | | Nickel Sulfate | 1 | 1 | 1 | 1 | 1 | 1 | | Niter Cake | 1 | 1 | 1 | 1 | 1 | 1 | | Nitric Acid (Conc.) | 2 | 1 | 4 | 4 | 4 | 4 | | Nitric Acid | 2 | 1 | 4 | 4 | 4 | 4 | | Nitric Acid, Red Fuming, > 85% | 3 | 2 | 4 | 4 | 4 | 4 | | Nitrobenzene | 1 | 2 | 4 | 4 | 4 | 4 | | Nitrogen Tetroxide | 3 | 4 | 4 | 4 | 4 | 4 | | Nitromethane | 3 | 4 | 2 | 4 | 4 | 3 | | Nitropropane | 2 | 4 | 2 | 4 | 4 | 4 | | Octadecane | 1 | 1 | 4 | 1 | 1 | 2 | | Octyl Alcohol | 1 | 1 | 1 | 2 | 2 | 2 | | Oleic Acid | 1 | 2 | 3 | 3 | 3 | 4 | | Oleum | 1 | 2 | 4 | 4 | 4 | 4 | | Olive Oil | 1 | 1 | 2 | 1 | 1 | 2 | | Oronite 8200 | 1 | 1 | 4 | 2 | 2 | 1 | | Oronite 8515 | 1 | 1 | 4 | 2 | 2 | 1 | | Orthochloroethylbenzene | 4 | 1 | 4 | 4 | 4 | 4 | | Orthodichlorobenzene | 4 | 1 | 4 | 4 | 4 | 4 | | OS45, Type III (Silicate Ester Based) | 1 | 1 | 4 | 2 | 2 | 1 | | OS45, Type IV | 1 | 1 | 4 | 2 | 2 | 1 | | OS70 | 1 | 1 | 4 | 2 | 2 | 1 | | Oxalic Acid | 1 | 1 | 1 | 2 | 2 | 2 | | Oxygen, Gas | 4 | 3 | 4 | 4 | 4 | 4 | | Oxygen, Liquid | 4 | 4 | 4 | 4 | 4 | 4 | | Ozone | 1 | 1 | 1 | 4 | 4 | 3 | | Paint Thinner, Duco | 3 | 2 | 4 | 4 | 4 | 4 | | Palmitic Acid (Hexadecanoic Acid) | 1 | 1 | 2 | 1 | 1 | 2 | | Par-Al-Ketone | 4 | 4 | 4 | 4 | 4 | 4 | | Paradichlorobenzene | 4 | 1 | 4 | 4 | 4 | 4 | | Parker O-Lube | 1 | 1 | 4 | 1 | 1 | 1 | | Peanut Oil | 1 | 1 | 3 | 1 | 1 | 2 | | Pentaerythritol | 1 | 1 | 1 | 1 | 1 | 1 | | Perchloric Acid | 1 | 1 | 2 | 4 | 4 | 2 | | Perchloroethylene | 4 | 1 | 4 | 2 | 2 | 4 | | Petro Oil, Crude (Above 250°F/121°C) | 2 | 2 | 4 | 4 | 4 | 4 | | Petro Oil, Crude (Below 250°F/121°C) | 1 | 1 | 4 | 1 | 1 | 2 | | Petroleum, Crude | 1 | 1 | 4 | 1 | 1 | 2 | | Phenol | 1 | 1 | 4 | 4 | 4 | 4 | | Phenyl Benzene | 3 | 1 | 4 | 4 | 4 | 4 | | Phenyl Ethyl Ether | 4 | 4 | 4 | 4 | 4 | 4 | | Phenyl Hydrazine | 1 | 1 | 4 | 4 | 4 | 4 |
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RATING SCALE
| 1. | Excellent, recommended for both static and dynamic services |
| 2. | Good resistance, usually satisfactory in static applications, might work in dynamic applications |
| 3. | Limited resistance, might work under certain conditions |
| 4. | Not recommended for service |
| N/A | No rating due to insufficient data |
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