DMfit has excellent resistance to exposure to organic compounds, industrial chemicals, and gases. Resistance of chemical characteristics for plastic resins & elastomers.
| Description(%, °C) | Brass | SUS | Resin | Rubber | ||
| Acetal | PP | NBR | EPDM | |||
| Caustic soda(10%, 20°C) | △ | △ | ◎ | ◯ | ◯ | ⌾ |
| Gasoline | ◯ | ○ | ⌾ | △ | ⌾ | ✖ |
| Formic acid(25%, 20°C) | ✖ | △ | ✖ | ⌾ | ◯ | ⌾ |
| Air | ⌾ | ⌾ | ⌾ | ⌾ | ⌾ | ✖ |
| Mineral Oil | ◯ | ◯ | ⌾ | ◯ | ⌾ | ✖ |
| Grease | ◯ | ⌾ | ⌾ | △ | ⌾ | ⌾ |
| Sodium silicate | ◯ | — | ⌾ | ⌾ | ⌾ | ⌾ |
| Glycerin | ◯ | ⌾ | ⌾ | ⌾ | ⌾ | ⌾ |
| Ozone | ◯ | ◯ | △ | △ | ◯ | ⌾ |
| Animal oil(Lard oil) | ◯ | — | ⌾ | ◯ | ⌾ | ◯ |
| Kerosene | ⌾ | ⌾ | ⌾ | ⌾ | ⌾ | ✖ |
| Methane | ◯ | — | ⌾ | ⌾ | ⌾ | ✖ |
| Methyl alcohol(Methanol) | ⌾ | △ | ◯ | ◯ | ⌾ | ⌾ |
| Water(24°C) | ◯ | ◯ | ⌾ | ⌾ | ⌾ | ⌾ |
| Water(100°C) | ✖ | ◯ | △ | △ | — | — |
| Sea water | △ | ◯ | ⌾ | ⌾ | — | — |
| Bunker oil | △ | — | — | ◯ | ⌾ | — |
| Benzene(Benzol) | ✖ | △ | ◯ | △ | ✖ | ✖ |
| Butane | ⌾ | ⌾ | ⌾ | ⌾ | ⌾ | ✖ |
| Fluorine | ✖ | ✖ | ✖ | ✖ | — | △ |
| Boric acid | ◯ | ◯ | ◯ | ⌾ | ⌾ | ⌾ |
| Carbon tetrachloride | △ | △ | ◯ | △ | △ | ✖ |
| Oxygen | ⌾ | ⌾ | ◯ | ◯ | ◯ | ⌾ |
| Petroleum | — | — | ◯ | ✖ | ⌾ | ✖ |
| Soda ash(Sodium carbonate) | ◯ | △ | ⌾ | ⌾ | ⌾ | ⌾ |
| Calcium hydroxide | △ | △ | ⌾ | ◯ | ⌾ | ⌾ |
| Hydrogen | △ | ⌾ | ⌾ | ⌾ | ⌾ | ⌾ |
| Mercury | ✖ | — | — | ⌾ | ⌾ | ⌾ |
| Steam(150°C) | ◯ | — | △ | ✖ | ✖ | ⌾ |
| Sodium cyanide | ✖ | — | — | — | ⌾ | ⌾ |
| Vegetable Oil | — | — | ◯ | ◯ | ⌾ | ⌾ |
| Silicone greases | — | — | ⌾ | △ | ⌾ | ⌾ |
| Silicone oil | — | — | ⌾ | △ | ⌾ | ⌾ |
| Acetone | ⌾ | △ | ◯ | △ | ✖ | ⌾ |
| Sulfurous acid gas | — | — | △ | ◯ | ◯ | ◯ |
| Ammonia | △ | ⌾ | ◯ | ◯ | ⌾ | ⌾ |
| Liquefied Petroleum gas(LPG) | ⌾ | ⌾ | ⌾ | ◯ | ⌾ | ✖ |
| Ethyl alcohol(Ethanol) | ⌾ | ◯ | ⌾ | ◯ | ⌾ | ⌾ |
| Description(%, °C) | Brass | SUS | Resin | Rubber | ||
| Acetal | PP | NBR | EPDM | |||
| Lye solution | — | — | ⦾ | ◯ | ◯ | ⦾ |
| Hydrochloric acid(10%, 20°C) | ✖ | ✖ | ◯ | ⦾ | — | — |
| Hydrochloric acid(20%, 20°C) | ✖ | ✖ | △ | ◯ | — | — |
| Hydrochloric acid(20%, 80°C) | ✖ | ✖ | ✖ | ✖ | ✖ | △ |
| Hydrochloric acid(38%, 20°C) | ✖ | ✖ | △ | ⦾ | ◯ | ⦾ |
| Ammonium chloride | ✖ | △ | ◯ | ⦾ | ⦾ | ⦾ |
| Calcium chloride | ◯ | △ | ⦾ | △ | ⦾ | ⦾ |
| Naptha | △ | ◯ | ⦾ | ⦾ | △ | ✖ |
| Olive oil | △ | ⦾ | ◯ | ⦾ | ◎ | ◯ |
| Sulfur | ✖ | ◯ | ⦾ | ⦾ | ✖ | ⦾ |
| Sodium phosphate | ✖ | △ | ◯ | ⦾ | ⦾ | ⦾ |
| Ammonium phosphate | △ | △ | ◯ | ⦾ | ⦾ | ⦾ |
| Ammonium nitric | ✖ | ◯ | ◯ | ⦾ | ⦾ | ⦾ |
| Nitrogen | ◯ | ⦾ | ⦾ | ⦾ | ⦾ | ⦾ |
| Natural gas | ⦾ | ⦾ | ⦾ | ◯ | ⦾ | ✖ |
| Acetic acid(10%, 20°C) | — | — | — | — | — | — |
| Acetic acid(50%, 20°C) | — | — | — | — | — | — |
| Acetic acid(50%, 70°C) | — | — | — | — | — | — |
| Acetic acid(100%, 20°C) | — | — | — | — | — | — |
| Ketones | ◯ | ◯ | ◯ | ⦾ | — | ◯ |
| Cresol | ◯ | △ | △ | ◯ | △ | ✖ |
| Chromic acid(2%, 70°C) | ✖ | ✖ | ✖ | △ | — | — |
| Chromic acid(10%, 70°C) | ✖ | ✖ | ✖ | ✖ | — | — |
| Chromic acid(25%, 70°C) | ✖ | ✖ | ✖ | ✖ | — | — |
| Chromic acid(2%, 50°C) | ✖ | ✖ | △ | △ | ✖ | ◯ |
| Soybean oil | △ | ◯ | ◎ | ◯ | ◎ | △ |
| Toluene | ⦾ | ⦾ | ◯ | △ | ✖ | ✖ |
| Glucose | ⦾ | ⦾ | ⦾ | ⦾ | ⦾ | ⦾ |
| Propane | ⦾ | ⦾ | ⦾ | ⦾ | ⦾ | ✖ |
| Castor oil | ◯ | ◯ | ◯ | ⦾ | ⦾ | ◯ |
| Sulfuric acid(10%, 20°C) | ✖ | ✖ | ◯ | ◯ | ✖ | ◯ |
| Sulfuric acid(10%, 70°C) | ✖ | ✖ | ✖ | △ | — | — |
| Sulfuric acid(30%, 20°C) | ✖ | ✖ | △ | ◯ | — | — |
| Sulfuric acid(30%, 70°C) | ✖ | ✖ | ✖ | △ | — | — |
| Sulfuric acid(98%, 20°C) | ✖ | ✖ | ✖ | ✖ | — | — |
| Aluminum sulfate | ✖ | ◯ | ◯ | ⦾ | ⦾ | ⦾ |
| Potassium sulfate | ◯ | △ | ◯ | ⦾ | ⦾ | ⦾ |
| Hydrogen sulfide | △ | △ | ◯ | ⦾ | ✖ | ⦾ |
