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Chemical Resistant Chart
Dupont Homopolymer Acetal (Delrin®) |
| Chemical | Compatibility |
| Morpholine | N/A |
| Motor oil | B- Good |
| Mustard | C- Fair |
| Naphtha | A1- Excellent |
| Naphthalene | A1- Excellent |
| Natural Gas | B- Good |
| Nickel Chloride | A- Excellent |
| Nickel Nitrate | N/A |
| Nickel Sulfate | A- Excellent |
| Nitrating Acid (<15% HNO3) | N/A |
| Nitrating Acid (>15% H2SO4) | D- Severe Effect |
| Nitrating Acid (Š1% Acid) | N/A |
| Nitrating Acid (Š15% H2SO4) | N/A |
| Nitric Acid (20%) | D- Severe Effect |
| Nitric Acid (50%) | D- Severe Effect |
| Nitric Acid (5-10%) | D- Severe Effect |
| Nitric Acid (Concentrated) | D- Severe Effect |
| Nitrobenzene | C- Fair |
| Nitrogen Fertilizer | N/A |
| Nitromethane | A- Excellent |
| Nitrous Acid | N/A |
| Nitrous Oxide | N/A |
| Oils:Aniline | D- Severe Effect |
| Oils:Anise | D- Severe Effect |
| Oils:Bay | D- Severe Effect |
| Oils:Bone | D- Severe Effect |
| Oils:Castor | A- Excellent |
| Oils:Cinnamon | D- Severe Effect |
| Oils:Citric | A- Excellent |
| Oils:Clove | N/A |
| Oils:Coconut | A- Excellent |
| Oils:Cod Liver | B- Good |
| Oils:Corn | A- Excellent |
| Oils:Cottonseed | A- Excellent |
| Oils:Creosote | D- Severe Effect |
| Oils:Diesel Fuel (20, 30, 40, 50) | D- Severe Effect |
| Oils:Fuel (1, 2, 3, 5A, 5B, 6) | D- Severe Effect |
| Oils:Ginger | A- Excellent |
| Oils:Hydraulic Oil (Petro) | B- Good |
| Oils:Hydraulic Oil (Synthetic) | N/A |
| Oils:Lemon | D- Severe Effect |
| Oils:Linseed | A- Excellent |
| Oils:Mineral | A- Excellent |
| Oils:Olive | A- Excellent |
| Oils:Orange | D- Severe Effect |
| Oils:Palm | A- Excellent |
| Oils:Peanut | A- Excellent |
| Oils:Peppermint | D- Severe Effect |
| Oils:Pine | A- Excellent |
| Oils:Rapeseed | A- Excellent |
| Oils:Rosin | N/A |
| Oils:Sesame Seed | D- Severe Effect |
| Oils:Silicone | A- Excellent |
| Oils:Soybean | A- Excellent |
| Oils:Sperm (whale) | D- Severe Effect |
| Oils:Tanning | D- Severe Effect |
| Oils:Transformer | A- Excellent |
| Oils:Turbine | A- Excellent |
| Oleic Acid | A- Excellent |
| Oleum 100% | D- Severe Effect |
| Oleum 25% | D- Severe Effect |
| Oxalic Acid (cold) | B- Good |
| Ozone | C- Fair |
| Palmitic Acid | A- Excellent |
| Paraffin | A- Excellent |
| Pentane | B- Good |
| Perchloric Acid | C- Fair |
| Perchloroethylene | B- Good |
| Petrolatum | B- Good |
| Petroleum | B- Good |
| Phenol (10%) | B- Good |
| Phenol (Carbolic Acid) | D- Severe Effect |
| Phosphoric Acid (>40%) | D- Severe Effect |
| Phosphoric Acid (crude) | D- Severe Effect |
| Phosphoric Acid (molten) | D- Severe Effect |
| Phosphoric Acid (Š40%) | D- Severe Effect |
| Phosphoric Acid Anhydride | D- Severe Effect |
| Phosphorus | B- Good |
| Phosphorus Trichloride | D- Severe Effect |
| Photographic Developer | D- Severe Effect |
| Photographic Solutions | D- Severe Effect |
| Phthalic Acid | C- Fair |
| Phthalic Anhydride | C- Fair |
| Picric Acid | A- Excellent |
| Plating Solutions, Antimony Plating 130°F | A- Excellent |
| Plating Solutions, Arsenic Plating 110°F | A- Excellent |
| Plating Solutions, Brass Plating: High-Speed Brass Bath 110°F | A- Excellent |
| Plating Solutions, Brass Plating: Regular Brass Bath 100°F | A- Excellent |
| Plating Solutions, Bronze Plating: Cu-Cd Bronze Bath R.T. | A- Excellent |
| Plating Solutions, Bronze Plating: Cu-Sn Bronze Bath 160°F | B- Good |
| Plating Solutions, Bronze Plating: Cu-Zn Bronze Bath 100°F | A- Excellent |
| Plating Solutions, Cadmium Plating: Cyanide Bath 90°F | A- Excellent |
| Plating Solutions, Cadmium Plating: Fluoborate Bath 100°F | C- Fair |
| Plating Solutions, Chromium Plating: Barrel Chrome Bath 95°F | D- Severe Effect |
| Plating Solutions, Chromium Plating: Black Chrome Bath 115°F | D- Severe Effect |
| Plating Solutions, Chromium Plating: Chromic-Sulfuric Bath 130°F | D- Severe Effect |
| Plating Solutions, Chromium Plating: Fluoride Bath 130°F | D- Severe Effect |
| Plating Solutions, Chromium Plating: Fluosilicate Bath 95°F | D- Severe Effect |
| Plating Solutions, Copper Plating (Acid): Copper Fluoborate Bath 120°F | C- Fair |
| Plating Solutions, Copper Plating (Acid): Copper Sulfate Bath R.T. | A- Excellent |
| Plating Solutions, Copper Plating (Cyanide): Copper Strike Bath 120°F | A- Excellent |
| Plating Solutions, Copper Plating (Cyanide): High-Speed Bath 180°F | B- Good |
| Plating Solutions, Copper Plating (Cyanide): Rochelle Salt Bath 150°F | B- Good |
| Plating Solutions, Copper Plating (Misc): Copper (Electroless) | D- Severe Effect |
| Plating Solutions, Copper Plating (Misc): Copper Pyrophosphate | A- Excellent |
| Plating Solutions, Gold Plating: Acid 75°F | N/A |
| Plating Solutions, Gold Plating: Cyanide 150°F | N/A |
| Plating Solutions, Gold Plating: Neutral 75°F | N/A |
| Plating Solutions, Indium Sulfamate Plating R.T. | N/A |
| Plating Solutions, Iron Plating: Ferrous Am Sulfate Bath 150°F | N/A |
| Plating Solutions, Iron Plating: Ferrous Chloride Bath 190°F | N/A |
| Plating Solutions, Iron Plating: Ferrous Sulfate Bath 150°F | N/A |
| Plating Solutions, Iron Plating: Fluoborate Bath 145°F | N/A |
| Plating Solutions, Iron Plating: Sulfamate 140°F | N/A |
| Plating Solutions, Iron Plating: Sulfate-Chloride Bath 160°F | N/A |
| Plating Solutions, Lead Fluoborate Plating | N/A |
| Plating Solutions, Nickel Plating: Electroless 200°F | N/A |
| Plating Solutions, Nickel Plating: Fluoborate 100-170°F | N/A |
| Plating Solutions, Nickel Plating: High-Chloride 130-160°F | N/A |
| Plating Solutions, Nickel Plating: Sulfamate 100-140°F | N/A |
| Plating Solutions, Nickel Plating: Watts Type 115-160°F | N/A |
| Plating Solutions, Rhodium Plating 120°F | N/A |
| Plating Solutions, Silver Plating 80-120°F | N/A |
| Plating Solutions, Tin-Fluoborate Plating 100°F | N/A |
| Plating Solutions, Tin-Lead Plating 100°F | N/A |
| Plating Solutions, Zinc Plating: Acid Chloride 140°F | N/A |
| Plating Solutions, Zinc Plating: Acid Fluoborate Bath R.T. | N/A |
| Plating Solutions, Zinc Plating: Acid Sulfate Bath 150°F | N/A |
| Plating Solutions, Zinc Plating: Alkaline Cyanide Bath R.T. | N/A |
| Potash (Potassium Carbonate) | B- Good |
| Potassium Bicarbonate | C- Fair |
| Potassium Bromide | A- Excellent |
| Potassium Chlorate | B- Good |
| Potassium Chloride | A- Excellent |
| Potassium Chromate | C- Fair |
| Potassium Cyanide Solutions | C- Fair |
| Potassium Dichromate | A- Excellent |
| Potassium Ferricyanide | B1- Good |
| Potassium Ferrocyanide | N/A |
| Potassium Hydroxide (Caustic Potash) | A- Excellent |
| Potassium Hypochlorite | N/A |
| Potassium Iodide | N/A |
| Potassium Nitrate | A- Excellent |
| Potassium Oxalate | N/A |
| Potassium Permanganate | A- Excellent |
| Potassium Sulfate | B- Good |
| Potassium Sulfide | N/A |
| Propane (liquefied) | A- Excellent |
| Propylene | N/A |
| Propylene Glycol | B- Good |
| Pyridine | B- Good |
| Pyrogallic Acid | D- Severe Effect |
| Resorcinal | N/A |
| Rosins | B- Good |
| Rum | A- Excellent |
| Rust Inhibitors | A- Excellent |
| Salad Dressings | A- Excellent |
| Salicylic Acid | D- Severe Effect |
| Salt Brine (NaCl saturated) | N/A |
| Sea Water | A- Excellent |
| Shellac (Bleached) | A- Excellent |
| Shellac (Orange) | A- Excellent |
| Silicone | A- Excellent |
| Silver Bromide | C- Fair |
| Silver Nitrate | A- Excellent |
| Soap Solutions | A- Excellent |
| Soda Ash (see Sodium Carbonate) | A- Excellent |
| Sodium Acetate | B- Good |
| Sodium Aluminate | B- Good |
| Sodium Benzoate | N/A |
| Sodium Bicarbonate | A- Excellent |
| Sodium Bisulfate | B- Good |
| Sodium Bisulfite | C- Fair |
| Sodium Borate (Borax) | N/A |
| Sodium Bromide | A- Excellent |
| Sodium Carbonate | A1- Excellent |
| Sodium Chlorate | A- Excellent |
| Sodium Chloride | A1- Excellent |
| Sodium Chromate | D- Severe Effect |
| Sodium Cyanide | A- Excellent |
| Sodium Ferrocyanide | A- Excellent |
| Sodium Fluoride | N/A |
| Sodium Hydrosulfite | N/A |
| Sodium Hydroxide (20%) | A- Excellent |
| Sodium Hydroxide (50%) | A- Excellent |
| Sodium Hydroxide (80%) | D- Severe Effect |
| Sodium Hypochlorite (<20%) | D- Severe Effect |
| Sodium Hypochlorite (100%) | D- Severe Effect |
| Sodium Hyposulfate | N/A |
| Sodium Metaphosphate | B- Good |
| Sodium Metasilicate | D- Severe Effect |
| Sodium Nitrate | A- Excellent |
| Sodium Perborate | B- Good |
| Sodium Peroxide | D- Severe Effect |
| Sodium Polyphosphate | B- Good |
| Sodium Silicate | C- Fair |
| Sodium Sulfate | B- Good |
| Sodium Sulfide | B- Good |
| Sodium Sulfite | N/A |
| Sodium Tetraborate | B- Good |
| Sodium Thiosulfate (hypo) | C1- Fair |
| Sorghum | A- Excellent |
| Soy Sauce | A- Excellent |
| Stannic Chloride | C- Fair |
| Stannic Fluoborate | C- Fair |
| Stannous Chloride | N/A |
| Starch | A- Excellent |
| Stearic Acid | A- Excellent |
| Stoddard Solvent | A- Excellent |
| Styrene | A- Excellent |
| Sugar (Liquids) | A- Excellent |
| Sulfate (Liquors) | D- Severe Effect |
| Sulfur Chloride | D- Severe Effect |
| Sulfur Dioxide | B- Good |
| Sulfur Dioxide (dry) | B- Good |
| Sulfur Hexafluoride | N/A |
| Sulfur Trioxide | N/A |
| Sulfur Trioxide (dry) | D- Severe Effect |
| Sulfuric Acid (<10%) | D- Severe Effect |
| Sulfuric Acid (10-75%) | D- Severe Effect |
| Sulfuric Acid (75-100%) | N/A |
| Sulfuric Acid (cold concentrated) | N/A |
| Sulfuric Acid (hot concentrated) | N/A |
| Sulfurous Acid | C- Fair |
| Sulfuryl Chloride | A- Excellent |
| Tallow | A- Excellent |
| Tannic Acid | B- Good |
| Tanning Liquors | B- Good |
| Tartaric Acid | B- Good |
| Tetrachloroethane | A- Excellent |
| Tetrachloroethylene | A- Excellent |
| Tetrahydrofuran | A- Excellent |
| Tin Salts | N/A |
| Toluene (Toluol) | C1- Fair |
| Tomato Juice | B- Good |
| Trichloroacetic Acid | N/A |
| Trichloroethane | A- Excellent |
| Trichloroethylene | D- Severe Effect |
| Trichloropropane | A- Excellent |
| Tricresylphosphate | C- Fair |
| Triethylamine | D- Severe Effect |
| Trisodium Phosphate | A- Excellent |
| Turpentine | A2- Excellent |
| Urea | A- Excellent |
| Uric Acid | N/A |
| Urine | A- Excellent |
| Varnish | A- Excellent |
| Vegetable Juice | A- Excellent |
| Vinegar | B- Good |
| Vinyl Acetate | N/A |
| Vinyl Chloride | N/A |
| Water, Acid, Mine | A1- Excellent |
| Water, Deionized | N/A |
| Water, Distilled | B- Good |
| Water, Fresh | A2- Excellent |
| Water, Salt | A- Excellent |
| Weed Killers | A- Excellent |
| Whey | A- Excellent |
| Whiskey & Wines | A- Excellent |
| White Liquor (Pulp Mill) | D- Severe Effect |
| White Water (Paper Mill) | B- Good |
| Xylene | A- Excellent |
| Zinc Chloride | C- Fair |
| Zinc Hydrosulfite | C- Fair |
| Zinc Sulfate | C- Fair |