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TECHNICAL: SUGGESTED SHEATH MATERIALS
Table 2: Properties of Non-Metallic Solids
The following table of recommendations should only be used as a guide.The proper choice should be based upon your knowledge of the conditions which exist in each application.
Resistance Ratings: 1 = Good 2 = Fair 3 = Depends on conditions x = Unsuitable
Compound | Copper | Lead | Alum. | Nickel | Iron and steel | Cast Iron NI Resist | 300 Series Stain-less | Monel | Inconel Incoloy |
|---|---|---|---|---|---|---|---|---|---|
Acetic Acid, Crude Pure Vapors 150 PSI: 400°F | 2 2 2 2 | x 2 x x | 2 1 3 3 | 2 2 2 2 | x — — — | 3 x x — | 2 — — — | 2 1 2 2 | 3 3 3 3 |
Acetone | — | — | — | — | 3 | 2 | 1 | — | — |
Alboloy Process | — | — | — | — | 1 | — | 1-347 | — | — |
Aluminum Sulphate | 2 | 1 | 3 | 3 | x | 3 | 2 | 2 | — |
Ammonia Gas, Cold Hot | 3 x | 1 x | 1 — | — — | 1 3 | 1 3 | 1 3 | 1 3 | — — |
Ammonia and Oil | — | — | — | — | 1 | — | — | — | — |
Ammonium Chloride | x | 1 | x | 2 | 3 | 1 | 2 | 2 | — |
Ammonium Hydroxide | x | 1 | 2 | — | 1 | 1 | 1 | 3 | 1 |
Ammonium Nitrate | x | x | 2 | — | 1 | 3 | 1 | 3 | — |
Ammonium Sulphate | 2 | 1 | — | — | 1 | 1 | 1 | 1 | — |
Amyl Alcohol | 1 | — | — | — | — | — | — | 1 | — |
Anhydrous Ammonia | x | — | — | — | 1 | — | — | — | — |
Aniline, Aniline Oil | x | — | x | — | 1 | — | 1 | 1 | — |
Aniline, Dyes | — | — | — | — | — | — | 1 | 1 | — |
Anodizing Solutions 10% Chromic Acid 96°F Sulphuric Acid 70°F Sodium Hydroxide Nigrosine Black Dye Nickel Acetate | — — — — — — | — — 1 — — 3 | — — — — — — | — — — — 2 2 | 3 3 — 1 — — | — — — — — — | 1 1 — — — — | — — — — 1 1 | — — — — — — |
Barium Hydroxide | x | x | x | 1 | — | — | 1 | — | — |
Barium Sulphide | x | 1 | — | — | — | — | 1 | 1 | — |
Bleaching Solution 1 1/2lb. oxalic Acid per Gallon of H2) at 212°F | — — | — — | — — | 2 — | — — | — — | — — | 1 — | — — |
Bonderizing | — | — | — | — | 3 | 2 | 1 | — | — |
Cadmium Plating | — | — | — | — | — | — | — | — | 1 |
Carbolic Acid, Phenol | x | 1 | 1 | — | 3 | 3 | 1 | 1 | 1 |
Carbon Dioxide, Dry Wet | 1 2 | 1 x | 1 2 | — — | 1 2 | 1 3 | 1 1 | 1 1 | 1 1 |
Carbon Tetrachloride | 3 | 2 | 3 | — | 3 | 3 | 3 | 1 | 1 |
Castor Oil | — | — | 1 | — | 1 | — | 1 | 1 | 1 |
Chloroacetic Acid | x | x | x | 2 | x | — | x | — | — |
Cholorine, Dry Wet | 1 x | 1 2 | 1 x | — — | 1 x | 1 x | 1 x | 1 x | — — |
Chromic Acid | x | 1 | x | — | 3 | 3 | 1 | 2 | 3 |
Chrome Plating | — | 1 | — | — | — | — | — | — | — |
Citric Acid | 1 | 1 | 1 | — | x | 3 | 1 | 1 | 1 |
Cobalt Acetate 130°F | — | — | — | — | — | — | — | 1 | 1 |
Cocoanut Oil | — | — | — | 1 | — | — | — | 2 | — |
Copper Chloride | 3 | 1 | x | — | 2 | — | x | 2 | — |
Copper Cyanide | — | — | — | — | 1 | — | — | — | — |
Copper Plating | — | — | — | — | 1 | — | — | — | — |
Copper Sulphate | 3 | 1 | x | — | x | 3 | 1 | 1 | 1 |
Creosote | 1 | — | 1 | — | 1 | 1 | 1 | 1 | — |
Deoxidine | — | — | — | — | — | — | 1 | — | — |
Deoxylyle | — | — | — | — | — | — | 1 | — | — |
Diphenyl 300°F | — | — | — | — | 1 | — | — | — | — |
DiSodium Phosphate 25% 180°F | — | — | — | — | 1 | — | — | — | — |
Diversey No. 99 | — | — | — | — | 1 | — | — | — | — |
Downtherm | — | — | — | — | 1 | — | — | — | — |
Ethers | 1 | 1 | 1 | — | 1 | — | — | 1 | 1 |
Ethyl Chloride | 1 | — | — | 1 | 1 | — | 1 | 1 | — |
Ethylene Gycol 300°F | — | — | — | — | — | — | 1 | 1 | — |
Compound | Copper | Lead | Alum. | Nickel | Iron and steel | Cast Iron NI Resist | 300 Series Stain-less | Monel | Inconel Incoloy |
Ferric Chloride | x | x | x | x | x | x | x | x | x |
Ferric Sulphate | x — | 1 — | x — | x — | x — | x — | 2-304 1-316 | x — | 3 — |
Formaldehyde | 2 | x | 2 | — | 2 | 2 | 1 | 1 | 1 |
Formic Acid | 2 | x | x | 3 | x | — | 2 | 3 | 3 |
Freon | 1 | 1 | 1 | — | 3 | 1 | 3 | 1 | — |
Fuel Oil | 1 | 1 | — | — | 1 | — | 1 | 1 | — |
Fuel Oil, Acid | 3 | 1 | — | — | 3 | — | 3 | 1 | — |
Gasoline, Sour | 3 | 1 | 3 | — | 3 | 3 | 1 | 1 | 1 |
Gasoline, Refined | 1 | 1 | 1 | — | 1 | 1 | 1 | 1 | 1 |
Glycerin, Glycerol | 2 | 1 | 1 | — | 1 | 1 | 1 | 1 | — |
Holdens 310A Tempering Bath | — | — | — | 1 | — | — | — | — | — |
Houghtons mar Tempering Salt | — | — | — | 3 | 3 | — | — | — | — |
Hydrochloric Acid <150°F >150°F | x x | 2 x | x x | 3 3 | x x | x — | x x | 3 3 | — — |
Hydrofluoric Acid, Cold <65% >65% Hot <65% >65% | 3 2 x 2 | 2 3 x x | x x x x | x — x — | x 2 x 3 | x — — — | x x x x | 2 1 3 1 | — — — — |
Hydrogen Peroxide | x | 2 | 1 | 2 | x | x | 1 | 2 | 1 |
Iridite 1-Part and 5-Parts Water 200°F | — | 1 | — | — | — | — | — | — | — |
Isoproponel | 2 | — | — | — | 3 | — | — | 1 | — |
kerosene | 1 | 1 | — | — | 1 | — | 1 | 1 | 1 |
Kolene | — | — | — | 1 | — | — | — | — | — |
Lacquer Solvents | 3 | — | 1 | — | 3 | 1 | 1 | 1 | 1 |
Lard | — | — | — | — | 2 | — | — | — | — |
Linseed Oil | 1 | 1 | 1 | — | 1 | — | 1 | 1 | 1 |
Magnesium Chloride | 2 | x | x | 2 | 2 | 2 | 2 | 2 | — |
Magnesium Hydroxide | x | — | x | 1 | 1 | 1 | 1 | 1 | — |
Magnesium Sulphate | 1 | — | 2 | — | 1 | 1 | 1 | 1 | — |
Mercuric Chloride | x | — | x | x | 3 | 3 | x | x | x |
Mercury | x | — | x | — | 1 | 1 | 1 | 1 | 1 |
Methyl Alcohol, Methanol | 1 | 1 | 1 | — | 1 | — | 1 | 1 | — |
Methyl Chloride | 1 | 1 | — | 1 | 1 | — | — | 1 | — |
Mineral Oils | 1 | 1 | 1 | — | 1 | — | 1 | 1 | 1 |
Naphthalene | — | — | — | — | 1 | — | — | — | — |
Nickel Chloride | x | — | x | — | — | — | 2 | 3 | — |
Nickel Plating, Bright | — | 1 | — | — | — | — | — | — | — |
Nickel Plating, Dull | — | 1 | — | — | — | — | — | — | — |
Nickel Sulphate | x | — | x | — | — | — | 1 | 3 | x |
Nitric Acid, Crude Concentrated Diluted | x x x | x x x | 3 1 x | x x x | x x x | — — — | 3 2 1 | x x x | x x x |
Nitrobenzene | 2 | — | — | — | 1 | — | 1 | — | — |
Oakite No. 20 | — | — | — | — | 1 | — | — | — | — |
Oakite No. 23 | — | — | — | — | 1 | — | — | — | — |
Oakite No. 24 | — | — | — | — | 1 | — | — | — | — |
Oakite No. 30 | — | — | — | — | 1 | — | — | — | — |
Oakite No. 32 | — | — | — | — | — | — | — | — | — |
Oakite No. 33 | — | — | — | — | — | 1.347 | — | — | — |
Oakite No. 36 | — | — | — | — | — | — | — | — | — |
Oakite No. 51 | — | — | — | — | 1 | — | — | — | — |
Oakite No. 90 @ 180°F | — | — | — | — | 1 | — | — | — | — |
Oleic Acid | x | x | 1 | 1 | 3 | 3 | 1 | 1 | 1 |
Oxalic Acid | 3 | x | 1 | — | 3 | 3 | 3 | 1 | — |
Paraffin | — | — | — | — | 1 | — | — | — | — |
Parkerizing | — | — | — | — | 3 | 2 | 1 | — | — |
Perchlorethylene | — | — | — | — | — | — | 1 | — | — |
Permachlor | — | — | — | — | — | — | 1 | — | — |
Petroleum Oils, Crude <500°F >500°F >1000°F | 3 x x — | 3 x x — | 1 1 x — | 3 x x — | 1 1 x — | 1 1 — — | 1 1 3 1-347 | 3 x x — | — — — — |
Phenol 85%, 120°F | — | — | — | 1 | 3 | — | 1 | — | — |
Phosphoric Acid, Crude Pure < 45% > 45% Cold Hot | x 2 2 3 — | 3 1 1 x — | x 3 x x — | x 3 3 — — | 3 x x x — | — — — — — | 3 1 1 304 3-316 | x 2 2 3 — | — — — — — |
Photo Fixing Bath | — | — | — | — | — | — | 1 | 3 | — |
Compound | Copper | Lead | Alum. | Nickel | Iron and steel | Cast Iron NI Resist | 300 Series Stain-less | Monel | Inconel Incoloy |
Picric Acid Water Solution | x | x | x | x | 3 | — | 1 | 3 | — |
Potassium Chloride | 1 | 1 | 3 | 1 | 1 | 1 | 1 | 1 | — |
Potassium Cyanide | x | x | x | — | 1 | — | 1 | 1 | — |
Potassium Dichromate 208°F | — | — | — | — | — | — | 1-347 | — | — |
Potassium Hydroxide | x | x | x | 1 | 3 | 1 | 2 | 1 | — |
Potassium Sulphate | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 1 | — |
Prestone 350°F | — | — | — | — | 1 | — | — | 1 | — |
R5 Bright Dip for Copper Polish @ 180°F | — | — | — | — | — | — | 1-316 | — | — |
Soap Solutions | 3 | 1 | — | — | 1 | 1 | 1 | 1 | — |
Sodium Carbonate <20% | — | — | — | — | 1 | — | — | — | — |
Sodium Chloride | 2 — | 1 — | x — | 1 — | 1 — | 1 — | 2-304 1-316 | 1 — | 1 — |
Sodium Cyanide | x | x | x | — | 1 | 3 | 1-316 | 2 | — |
Sodium hydroxide | x | 2 | x | 1 | 1 | 1 | 2 | 1 | 1 |
Sodium Hypochlorite | 3 | x | x | 3 | x | 3 | x | 3 | — |
Sodium Nitrate | 2 — | 1 — | 1 — | 1 — | 1 — | 1 — | 2-304 1-316 | 1 — | 1 — |
Sodium Peroxide | — | — | 1 | 1 | 3 | 1 | 1 | 1 | — |
Sodium Silicate | 3 | x | x | 1 | 1 | 1 | 1-316 | 1 | — |
Sodium Sulphate | 1 | 1 | 3 | 1 | 1 | 1 | 1 | 1 | 1 |
Sodium Sulphide | x | 1 | x | 2 | 1 | 1 | 1 | 2 | 1 |
Soybean Oil | — | — | — | — | — | — | 1 | — | — |
Stream <500°F 500 – 1000°F >1000°F | 1 3 x | 3 x — | 1 3 x | 1 3 x | 1 3 x | — — — | 1 1 1 | 1 3 x | 1 1 1 |
Stearic Acid | 3 | 1 | 3 | 1 | 3 | 3 | 1 | 1 | 1 |
Sulphur | x | — | 1 | x | 1 | 3 | 2 | x | 1 |
Sulphuric Acid <10% Cold 10-75% Cold Hot | 3 x — x — x x x x — | 1 1 — 1 — 1 1 1 1 — | 3 3 — 3 — x 3 x 3 — | 3 x — 3 — x 3 x x — | x x — x — x 3 2 3 — | — — — — — — — — 2 — | 2 2-316 304 304 2-316 x 1 x 3-304 2-316 | 3 3 — 3 — 3 3 3 x — | — — — — — — — — — — |
Sulphurous Acid | 3 — | 1 — | 3 — | x — | 1 — | — — | 3-316 304 | x — | — — |
Tannic Acid | 1 | x | x | 1 | — | — | 2 | 1 | — |
Tar | — | — | 1 | — | 1 | — | 1 | — | 1 |
Tartaric Acid | — — | 1 — | 1 — | 3 — | — — | — — | 3-304 1-316 | 3 — | — — |
Tetrachlorethylene | — | — | — | — | 1 | — | — | — | — |
Thermail Granodine | — | — | — | — | 2 | — | — | — | — |
Therminall Fr. 1 – 8-12W/Sq.In. 640°F | — | — | — | — | 1 | — | — | — | — |
Tin Plating | — | — | — | 1 | — | — | — | — | — |
Toluene | — | 1 | 1 | — | 1 | — | 1 | 1 | — |
Triad Solvent | — | — | — | — | 3 | — | — | — | — |
Trichloroethylene | 3 | 2 | 3 | — | 3 | 3 | 3 | 1 | — |
Turco No. 2623 | — | — | — | — | 1 | — | — | — | — |
Turpentine | 3 | 1 | 1 | — | 3 | 1 | 1 | 1 | — |
Urea Ammonia Liquor 48°F | — | — | — | — | 1 | — | — | — | — |
Vegetable Oil | — | — | — | — | — | — | 1 | — | — |
Vinegar | — — | — — | 3 — | — — | 3 — | — — | 2-304 1-316 | 1 — | — — |
Water, Acid Mine Containing Oxidizing Salts No Oxidizing Salts | 3 — | 3 — | 3 1 | 3 — | x 3 | 3 1 | 1 x | x 1 | — — |
Water, Fresh Distilled, Lab Grade Return Condensate | 1 x 1 | 1 x 1 | 1 1 1 | — 1 — | 3 x 1 | 1 x 1 | 1 1 1 | 1 3 1 | 1 1 1 |
Water, Sea Water | 3 | 1 | x | — | 3 | 1 | 2 | 1 | 2 |
Whiskey and Wines | 1 — | — — | — — | — — | x — | 3 — | 2-304 1-316 | 1 — | 1 — |
Ray Solution | — | — | — | — | — | — | 1 | — | — |
Zinc Chloride | x | 1 | x | — | 3 | 3 | x | 1 | — |
Zinc Plating | — | — | — | — | 1 | — | — | — | — |
Zinc Sulphate | x | — | 3 | — | 3 | 1 | 1 | 1 | 1 |
Because so many Factors are beyond or Power to control we cannot be responsible for any electric immersion heater failure that can be attributed to corrosion. This is in view of any warranties, written or verbal, relative to heater performance in a corrosive environment.
