STI Chemical Resistance Catalog
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Technical Information
Chemical Resistance – Material
KEY:
- S = Superior Resistance/Completely Unaffected under all Conditions
- L = Limited Resistance, Some Chemical Attack May Occur Over Time
- M = Moderate Resistance, Superficial Effects only, Testing Recommended
- U = Unsatisfactory, Severe/Chemical Attack in a relatively short time
- – = No Data Available
| TABLE 3. CHEMICAL RESISTANCE OF FIBERGLASS MATERIALS AND ENCLOSURE ACCESSORIES | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Fiber | Steel | Stainless Steel | |||||||
| CHEMICAL | Aluminum |
Glass
Polyester |
Polyester
Powder |
Urethane
Enamel |
Gal-
vanized |
Type
304 |
Type
316 |
PC | PVC |
| Acetyldehyde | S | U | — | — | — | S | S | U | U |
| Acetic Acid (10%) | L | S | U | U | U | S | U | S | U |
| Acetone | S | L | L | U | L | S | S | U | U |
| Aluminum Chloride (10%) | U | S | U | U | U | U | M | S | S |
| Aluminum Sulfate (10%) | L | S | U | U | U | U | S | S | S |
| Ammonia Gas | L | S | — | — | — | S | S | — | — |
| Ammonium Chloride | U | S | U | U | U | S | S | S | S |
| Ammonium Hydroxide (10%) | S | L | U | U | U | S | S | U | S |
| Ammonium Nitrate (10%) | M | S | U | U | U | S | S | U | S |
| Ammonium Phosphate (10%) | L | M | S | L | U | S | M | S | — |
| Ammonium Sulfate | S | S | — | — | — | S | S | S | S |
| Aniline | L | U | — | — | — | S | S | U | L |
| ASTM #1 Oil | S | S | S | S | S | S | S | L | — |
| ASTM #3 Oil | S | S | S | S | S | S | S | L | — |
| Axle Grease | S | S | S | S | S | S | S | L | — |
| Benzene | S | S | — | — | S | S | S | U | L |
| Boric Acid (10%) | M | S | U | U | U | S | S | S | L |
| Bromine | U | L | U | U | U | U | U | U | U |
| Butyl Acetate | M | L | — | — | — | S | S | U | U |
| Butyric Acid | U | S | — | — | — | S | S | U | U |
| Calcium Chloride (10%) | L | S | U | U | U | L | S | S | L |
| Calcium Hydroxide (10%) | U | S | U | U | U | S | S | S | L |
| TABLE 3. Continued | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Fiber | Steel | Stainless Steel | |||||||
| CHEMICAL | Aluminum |
Glass
Polyester |
Polyester
Powder |
Urethane
Enamel |
Gal-
vanized |
Type
304 |
Type
316 |
PC | PVC |
| Hydrochloric Acid (10%) | U | M | U | U | U | U | U | S | S |
| Hydrocyanic Acid | S | U | — | — | — | S | S | L | L |
| Hydrofluoric Acid (20%) | U | U | U | U | U | U | U | L | L |
| Hydrogen Peroxide | S | M | — | — | — | L | S | S | S |
| Hydrogen Sulfide | M | S | — | — | — | L | S | L | L |
| Hypochlorus Acid | U | S | — | — | — | — | — | — | — |
| Isopropyl Alcohol | S | S | M | U | S | S | S | S | — |
| Kerosene | S | S | S | S | S | S | S | L | S |
| Lacquer Thinner | S | S | L | U | S | S | S | U | U |
| Lactic Acid | M | S | — | — | — | L | S | L | L |
| Lime | M | M | — | — | — | — | — | — | L |
| Liquid Dish Soap (10%) | M | S | U | U | U | S | M | S | S |
| Lubricating Oils | S | S | — | — | — | S | S | S | — |
| Magnesium Chloride (10%) | L | S | U | U | U | S | S | S | L |
| Magnesium Hydroxide (10%) | L | S | U | U | U | S | S | S | S |
| Mercuric Chloride (10%) | U | M | U | U | U | S | U | S | L |
| Methyl Ethyl Ketone | S | L | — | — | — | S | S | U | U |
| Methylene Chloride | S | S | U | U | M | S | S | U | U |
| Milk | S | S | — | — | — | S | S | S | S |
| Mineral Oil | S | S | — | — | — | S | S | S | S |
| Mineral Spirits | S | S | S | S | S | S | S | L | S |
| Motor Oil (10 weight) | S | S | S | S | S | S | S | S | L |
| Nickel Salts | L | S | — | — | — | L | S | S | S |
| Nitric Acid (10%) | U | M | U | U | U | S | S | L | S |
| Nitrobenzene | S | L | — | — | — | S | S | U | U |
| Oleic Acid | S | S | — | — | — | L | S | S | L |
| Perchlorethylene | S | S | S | U | S | S | S | U | L |
| Phosphoric Acid (25%) | U | L | U | U | U | S | S | S | S |
| Phosphoric Acid (50%) | U | U | U | U | U | S | S | S | S |
| Pickling Solution | U | M | U | U | U | S | M | S | — |
| Potassium Carbonate (10%) | U | S | S | S | L | S | S | S | L |
| Potassium Chloride (25%) | L | S | U | U | U | S | S | S | S |
| Potassium Hydroxide (25%) | U | U | U | U | U | M | M | U | S |
| Potassium Nitrate (10%) | U | S | U | U | U | S | S | S | S |
| TABLE 3. Continued | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Fiber | Steel | Stainless Steel | ||||||||
| CHEMICAL | Aluminum |
Glass
Polyester |
Polyester
Powder |
Urethane
Enamel |
Gal-
vanized |
Type
304 |
Type
316 |
PC | PVC | |
| Potassium Sulfate (10%) | L | S | U | U | U | S | S | S | L | |
| Soap (Igepal) 10% | L | S | S | U | U | S | S | S | S | |
| Sodium Bicarbonate (10%) | L | S | S | S | U | S | S | S | S | |
| Sodium Bisulfate (10%) | U | L | U | U | U | S | S | S | S | |
| Sodium Chloride (25%) | L | S | U | U | U | S | S | S | S | |
| Sodium Hydroxide | U | U | U | U | U | M | M | U | S | |
| Sodium Hypochlorite | U | M | U | U | U | S | M | L | S | |
| Sodium Nitrate (10%) | M | S | U | U | U | S | S | S | S | |
| Sodium Phosphate (10%) | L | S | U | U | U | S | S | S | S | |
| Sulfuric Acid (25%) | U | S | U | U | U | S | S | S | S | |
| Sulfurus Acid (10%) | U | U | U | U | U | S | S | S | S | |
| Tannic Acid ((10%) | L | S | U | U | U | M | M | S | S | |
| Tetrahydrofuran | M | L | U | U | U | S | S | U | U | |
| Toluene | S | S | L | U | S | S | S | U | U | |
| Trichloroethylene | S | U | — | — | — | L | S | U | U | |
| Trisodium Phosphate | L | M | — | — | — | — | — | S | S | |
| Turpentine | S | M | M | U | L | S | S | S | U | |
| Vegetable Oils | S | S | — | — | — | S | S | S | S | |
| Vinegar | M | S | — | — | — | S | S | S | L | |
| Water, Industrial | L | S | L | L | L | S | S | S | S | |
| Water, Rain | L | S | S | L | L | S | S | S | — | |
| Water, Sea | L | S | U | U | U | S | S | S | S | |
| Water, Tap | L | S | S | L | L | S | S | S | S | |
| Xylene | S | S | L | U | S | S | S | U | U | |
| Zinc Acetate | S | S | — | — | — | S | S | — | — | |
| Zinc Chloride | L | S | S | U | U | M | S | M | L | |
| Zinc Sulfate | S | S | — | — | — | M | S | S | S | |
|
TABLE 4. SPECIFIC CHEMICAL RESISTANCE INFORMATION
OTHER MATERIALS USED FOR ENCLOSURE FEATURES |
||||||||
|---|---|---|---|---|---|---|---|---|
| Gaskets | Windows | |||||||
| CHEMICAL |
Rigid
PVC |
Glass
Nylon |
Neoprene
Rubber |
Silicone
Rubber |
Urethane | Acrylic |
Poly
carbonate |
|
| Acetyldehyde | U | — | S | S | — | — | — | |
| Acetic Acid (10%) | L | U | U | M | L | S | S | |
| Acetone | U | S | U | S | U | U | U | |
| Aluminum Chloride (10%) | S | U | S | S | S | S | S | |
| Aluminum Sulfate (10%) | S | L | U | S | S | S | S | |
| Ammonia Gas | — | S | S | S | — | S | — | |
| Ammonium Chloride | S | U | S | S | S | S | S | |
| Ammonium Hydroxide (10%) | S | — | L | L | S | S | U | |
| Ammonium Nitrate (10%) | S | U | U | S | S | S | U | |
| Ammonium Phosphate (10%) | — | L | U | S | S | S | S | |
| Ammonium Sulfate | S | U | S | S | — | — | — | |
| Aniline | S | L | U | U | — | S | — | |
| ASTM #1 Oil | — | — | M | S | S | S | M | |
| ASTM #3 Oil | — | — | U | L | S | S | M | |
| Axle Grease | — | — | L | S | S | S | M | |
| Benzene | U | S | U | U | — | U | — | |
| Boric Acid (10%) | L | S | S | S | S | S | S | |
| Bromine | U | U | U | U | U | L | U | |
| Butyl Acetate | U | S | U | U | — | U | — | |
| Butyric Acid | U | U | U | — | — | — | — | |
| Calcium Chloride (10%) | S | U | S | S | S | S | S | |
| Calcium Hydroxide (10%) | S | — | U | S | L | S | S | |
| Calcium Hypochlorite (10%) | S | U | U | S | U | M | S | |
| Calcium Sulfate | S | U | S | S | S | S | S | |
| Carbolic Acid (25%) | — | — | U | U | U | U | U | |
| Carbon Disulfide | U | — | U | — | — | S | — | |
| Carbon Tetrachloride | L | S | U | U | U | S | U | |
| Chlorine (dry) | L | — | — | — | — | — | — | |
| Chlorine (water) 5-10 ppm | L | — | L | S | S | S | S | |
| Chlorobenzene | U | S | U | U | — | L | — | |
| Chloroform | U | U | U | U | — | U | — | |
| Chrome Plating Solution | — | — | U | U | U | S | S | |
| Chromic Acid | L | U | U | M | — | U | — | |
| Citric Acid (10%) | S | L | U | S | U | S | S | |
| TABLE 4. Continued | ||||||||
|---|---|---|---|---|---|---|---|---|
| Rigid | Glass |
Gaskets
Neoprene Silicone |
Windows
Poly |
|||||
| CHEMICAL | PVC | Nylon | Rubber | Rubber | Urethane | Acrylic | carbonate | |
| Copper Sulfate | S | L | S | S | — | U | — | |
| Creosote | — | U | U | U | — | — | — | |
| Cutting Fluid (5 Star) 10% | — | — | U | S | S | S | M | |
| Cutting Fluid (Castrol 980 H) | — | — | L | S | S | S | L | |
| Cutting Fluid (Norton 205) | — | — | S | S | S | S | S | |
| Cutting Fluid (Rustlick) 10% | — | — | S | S | S | S | S | |
| Cutting Oil (Dark) | — | — | U | S | S | S | S | |
| Diethyl Ether | U | — | — | U | — | U | — | |
| Ethyl Alcohol | S | — | L | S | S | U | M | |
| Ethylene Dichloride | U | — | U | U | — | U | — | |
| Ethylene Glycol | S | — | S | S | S | S | S | |
| Ferric Chloride | S | U | L | S | L | S | S | |
| Ferric Nitrate | S | U | S | M | — | — | — | |
| Ferric Sulfate | S | U | S | M | — | — | — | |
| Fluorine | L | — | — | U | — | — | — | |
| Formaldehyde | L | U | U | M | — | S | — | |
| Formic Acid | L | S | U | L | L | U | S | |
| Fuel Oil (#2) | S | — | U | U | U | S | S | |
| Gasoline | S | S | U | L | — | S | — | |
| Glycerine | S | S | S | S | — | S | — | |
| Hydraulic Brake Fluid | — | — | U | S | U | U | U | |
| Hydraulic Oil | — | — | U | S | S | S | M | |
| Hydrochloric Acid (10%) | S | U | L | L | U | S | S | |
| Hydrocyanic Acid | S | — | S | M | M | — | — | |
| Hydrofluoric Acid (20%) | L | U | U | U | — | S | M | |
| Hydrogen Peroxide | S | U | U | M | — | S | — | |
| Hydrogen Sulfide | S | — | U | M | — | — | — | |
| Hypochlorus Acid | — | — | — | — | — | — | — | |
| Isopropyl Alcohol | — | — | S | S | S | S | S | |
| Kerosene | S | — | U | U | S | S | M | |
| Lacquer Thinner | — | S | U | S | L | U | U | |
| Lactic Acid | S | L | L | — | — | L | — | |
Chemical Resistance – Gaskets, Windows and Other
| TABLE 4. Continued | ||||||||
|---|---|---|---|---|---|---|---|---|
| Gaskets | Windows | |||||||
| CHEMICAL |
Rigid
PVC |
Glass
Nylon |
Neoprene
Rubber |
Silicone
Rubber |
Urethane | Acrylic |
Poly
carbonate |
|
| Lime | — | — | S | M | — | — | — | |
| Liquid Dish Soap (10%) | S | — | L | S | S | S | S | |
| Lubricating Oils | — | — | U | U | — | S | — | |
| Magnesium Chloride (10%) | S | S | S | S | S | S | S | |
| Magnesium Hydroxide (10%) | S | — | S | S | S | S | S | |
| Mercuric Chloride (10%) | L | — | U | L | U | S | S | |
| Methyl Ethyl Ketone | U | S | S | U | — | L | — | |
| Methylene Chloride | — | U | U | S | U | U | U | |
| Milk | S | — | S | S | — | S | — | |
| Mineral Oil | S | — | L | M | — | S | — | |
| Mineral Spirits | — | — | U | U | S | S | M | |
| Motor Oil (10 weight) | — | — | U | U | S | S | S | |
| Nickel Salts | S | — | U | S | — | — | — | |
| Nitric Acid (10%) | S | U | U | U | U | S | L | |
| Nitrobenzene | U | S | U | — | — | — | — | |
| Oleic Acid | S | U | — | U | — | — | — | |
| Perchlorethylene | — | — | U | S | U | U | U | |
| Phosphoric Acid (25%) | S | U | S | S | U | S | S | |
| Phosphoric Acid (50%) | S | U | S | S | U | S | S | |
| Pickling Solution | — | — | L | M | M | S | S | |
| Potassium Carbonate (10%) | L | S | S | S | S | S | S | |
| Potassium Chloride (25%) | S | L | S | S | S | S | S | |
| Potassium Hydroxide (25%) | S | S | U | L | M | U | U | |
| Potassium Nitrate (10%) | S | L | S | S | S | S | S | |
| Potassium Sulfate (10%) | SL | S | S | S | S | S | S | |
| Soap (Igepal) 10% | S | — | U | S | S | S | S | |
| Sodium Bicarbonate (10%) | S | S | S | S | S | S | S | |
| Sodium Bisulfate (10%) | S | L | S | S | L | S | S | |
| Sodium Chloride (25%) | S | S | S | S | S | S | S | |
| Sodium Hydroxide | S | S | U | U | M | S | U | |
| Sodium Hypochlorite | S | U | U | S | U | S | S | |
| Sodium Nitrate (10%) | S | S | S | S | S | S | S | |
TECHNICAL INFORMATION
| TABLE 4. Continued | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Gaskets | Windows | ||||||||
| CHEMICAL |
Rigid
PVC |
Glass
Nylon |
Neoprene
Rubber |
Silicone
Rubber |
Urethane | Acrylic |
Poly
carbonate |
||
| Sodium Phosphate (10%) | S | — | U | S | S | S | S | ||
| Sulfuric Acid (25%) | S | U | S | S | U | S | S | ||
| Sulfurus Acid (10%) | S | — | U | U | L | S | S | ||
| Tannic Acid ((10%) | S | U | U | L | U | S | S | ||
| Tetrahydrofuran | — | S | U | U | U | U | U | ||
| Toluene | U | S | U | U | U | U | U | ||
| Trichloroethylene | U | U | U | U | — | U | — | ||
| Trisodium Phosphate | S | — | — | — | — | — | — | ||
| Turpentine | — | S | U | L | U | S | S | ||
| Vegetable Oils | S | — | L | S | — | S | — | ||
| Vinegar | — | S | L | S | — | S | — | ||
| Water, Industrial | S | — | S | S | S | S | S | ||
| Water, Rain | S | — | S | S | S | S | S | ||
| Water, Sea | S | — | S | S | S | S | S | ||
| Water, Tap | S | — | S | S | S | S | S | ||
| Xylene | — | S | U | M | U | S | U | ||
| Zinc Acetate | — | — | — | U | — | — | — | ||
| Zinc Chloride | S | U | M | S | U | S | M | ||
| Zinc Sulfate | S | L | S | S | — | — | — | ||