PENETRON SYSTEMS
CHEMICAL RESISTANCE/CORROSION CHART


Symbols: N/E = No Effect S/E = Slight Effect E = Effected

Chemical Effect on Concrete Concrete Treated with Penetron
Acetic Acid to 30% Disintegrates Slowly S/E
Acetone Liquid loss by penetration N/E
Acid Waters Disintegrates Slowly. In porous or cracked concrete, attacks steel. N/E
Almond Oil Disintegrates Slowly N/E
Alum See Potassium Aluminum Sulfate N/E
Aluminum Sulfate less than 5% Disintegrates. In porous or cracked concrete, attacks steel. N/E
Aluminum Sulfate more than 5% Disintegrates. In porous or cracked concrete, attacks steel. S/E
Ammonia, Liquid Harmful only if it contains ammonium salts (See Below) N/E
Ammonia, Vapors May disintegrate moist concrete slowly or attack steel in porous or cracked moist concrete. N/E
Ammonium Bisulfate Disintegrates. In porous or cracked concrete, attacks steel. N/E
Ammonium Chloride Disintegrates Slowly. In porous or cracked concrete, attacks steel. N/E
Ammonium Cyanide Disintegrates Slowly N/E
Ammonium Fluoride Disintegrates Slowly N/E
Ammonium Hydroxide Not harmful N/E
Ammonium Nitrate Disintegrates. In porous or cracked concrete, attacks steel. S/E
Ammonium Sulfate Disintegrates. In porous or cracked concrete, attacks steel. S/E
Ammonium Sulfide Disintegrates S/E
Ammonium Sulfite Disintegrates S/E
Ammonium Super-Phosphate Disintegrates. In porous or cracked concrete, attacks steel. S/E
Ammonium Thiosulfate Disintegrates S/E
Ashes Harmful if wet, when sulfides and sulfates leach out (see Sodium Sulfate) N/E
Automobile and diesel gases May disintegrate moist concrete by action of carbonic, nitric, or sulforous acid. N/E
Benzol (Benzene) Liquid loss by penetration N/E
Bleaching Solution See specific chemical, such as Hypochlorous Acid, Sodium Hypochlorite, Sulfurous Acid, etc. -
Boric Acid Negligible Effect N/E
Brine Deteriorates N/E
Bromine Gaseous bromine disintegrates Liquid bromine dintegrates if it contains hydrobromic acid and moisture N/E
Butyl Stearate Disintegrates Slowly N/E
Calcium Chloride In porous or cracked concrete, attacks steal. Steel corrosion may cause concrete to spall N/E
Calcium Hydroxide Not harmful N/E
Calcium Nitrate Not harmful N/E
Calcium Sulfate Disintegrates concrete of inadequate sulfate resistance N/E
Carbazole Not harmful N/E
Carbon Tetrachloride Liquid loss by seepage N/E
Caster Oil Dinstegrates, especially when open to air N/E
Chlorine Gas Slowly disintegrates moist concrete N/E
Chrome Plating Solutions Disintegrates Slowly N/E
Chromic Acid 5% to 60% Attacks steel in porous or cracked concrete N/E
Cinders Harmful if wet, when sulfides and sulfates leach out (see Sodium Sulfate) N/E
Coal Sulfides leaching from damp coal may oxidize to sulforous or sulfuric acid, or ferrous sulfate N/E
Cobalt Sulfate Disintegrates concrete of inadequate sulfate resistance N/E
Copper Chloride Disintegrates Slowly N/E
Copper Plating Solutions Not harmful N/E
Copper Sulfate Disintegrates concrete of inadequate sulfate resistance N/E
Copper Sulfide Harmful if it contains Copper Sulfate N/E
Creosol If Phenol present, disintegrates slowly N/E
Deicing Salts Harmful N/E
Ethyl Alcohol Liquid loss by penetration N/E
Ethyl Ether Liquid loss by penetration N/E
Ethylene Glycol Disintegrates Slowly N/E
Ferric Sulfate Disintegrates concrete N/E
Ferrous Sulfate Disintegrates concrete of inadequate sulfate resistance N/E
Flue Gases Hot gases (400 to 100 degrees F) cause thermal stresses. Cooled, condensed sulfurous, hydrochloric acids disintegrate slowly N/E
Formaldehyde 37% Formic acid, formed in solution, dinsintegrates slowly S/E
Formalin See Forladehyde -
Formic Acid 10% - 90% Disintegrates Slowly S/E
Fruit Juices Hydrofluric, other acids and sugar cause disintegration N/E
Gas Water Ammonium salts seldom present in sufficient quantity to disintegrate N/E
Gasoline Liquid loss by penetration N/E
Glucose Disintegrates Slowly N/E
Glycerine Disintegrates Slowly N/E
Humic Acid Disintegrates Slowly N/E
Hydrochloric Acid 10% Disintegrates rapidly, including steel N/E
Hydrochloric Acid 30% Disintegrates rapidly, including steel S/E
Hydrofluoric Acid 10% Disintegrates rapidly, including steel S/E
Hydrofluoric Acid 75% Disintegrates rapidly E
Hydrogen Sulfide Not harmful, but in moist, oxidizing environments converts to sulfurous acid (see text) disintegrates slowly S/E (very slowly)
Hypochlorous Acid 10% Disintegrates Slowly N/E
Iodine Disintegrates Slowly N/E
Kerosene Liquid loss by penetration of concrete N/E
Lactic Acid 25% Disintegrates Slowly N/E
Lamb Fat Solid fat disintegration slowly, melted fat mor rapidly N/E
Lard and Lard Oil Lard disintegrates slowly, lard oil more rapidly N/E
Lignite Oils If fatty oils ar present, disintegrates slowly N/E
Lubricating Oils If fatty oils ar present, disintegrates slowly N/E
Machine Oil If fatty oils ar present, disintegrates slowly N/E
Magnesium Chloride Disintegrates Slowly. In porous or cracked concrete, attacks steel. N/E
Magnesium Nitrate Disintegrates Slowly N/E
Magnesium Sulfate Disintegrates concrete of inadequate sulfate resistance N/E
Mercuric Chloride Disintegrates Slowly N/E
Mercurous Chloride Disintegrates Slowly N/E
Methyl Ethyl Ketone Liquid loss by penetration N/E
Methyl Alcohol Liquid loss by penetration N/E
Mine Water, Waste Sulfides, sulfates, or acids present disintegrate concrete and attack steel in porous or cracked concrete N/E
Muriatic Acid See Hydrochloric Acid -
Nickel Plating Solutions Nickel Ammonium Sulfate disintegrates slowly N/E
Nickel Sulfate Disintegrates concrete of inadequate sulfate resistance N/E
Nitric Acid 2%-40% Disintegrates rapidly E
Olive Oil Disintegrates Slowly N/E
Petroleum Oils more than 35 degrees Below Liquid loss by penetration N/E
Phenol Disintegrates Slowly N/E
Phosphoric Acid 10% Disintegrates Slowly N/E
Phosphoric Acid 85% Disintegrates Slowly S/E
Pickling Brine Attacks steel in porous or cracked concrete N/E
Pitch Not harmful N/E
Potassium Aluminum Sulfate Disintegrates concrete of inadequate sulfate resistance N/E
Potassium Carbonate Harmless unless Potassium Sulfate present N/E
Potassium Chloride Magnesium chloride, if present attacks steel in porous or cracked concrete N/E
Potassium Cyanide Disintegrates Slowly N/E
Potassium Dichromate Disintegrates S/E
Potassium Hydroxide, 15% Not harmful N/E
Potassium Hydroxide, 25% Disintegrates concrete S/E
Potassium Hydroxide, 95% Disintegrates concrete S/E
Potassium Permanganate Harmless unless Potassium Sulfate present N/E
Sea Water Disintegrates concrete of inadequate sulfate resistance, attacks steel in porous or cracked concrete N/E
Sewage Usually not harmful (See Hydrogen Sulfide) N/E
Silage Acetic, Butyric, Lactic Acids (and sometimes fermenting agent of hydrochlorice or sulfuric acids) disintegrate fast N/E
Slaughterhouse Wastes Oraganic acids disintegrate N/E
Sodium Bicarbonate Not harmful N/E
Sodium Bisulfate Not harmful, except to Aluminate Cement S/E
Sodium Carbonate Not harmful, except to Aluminate Cement N/E
Sodium Chloride Attack in porous or cracked concrete N/E Penetron will protect rebars
Sodium Cyanide Disintegrates Slowly N/E
Sodium Hydroxide 1%-10% Not harmful N/E
Sodium Hydroxide 20%-40% Disintegrates concrete S/E
Sodium Nitrate Disintegrates Slowly N/E
Sodium Phosphate (monobasic) Disintegrates Slowly N/E
Sodium Sulfate Disintegrates concrete N/E
Sodium Sulfide Disintegrates concrete N/E
Sodium Sulfite Sodium Sulfate, if present, disintegrates concrete N/E
Sulfuric Acid 10%-60% Disintegrates rapidly E
Sulfuric Acid 60%-93% Disintegrates rapidly E
Sulfurous Acid Disintegrates rapidly E
Tannic Acid Disintegrates Slowly N/E
Tanning Liquor Disintegrates, if acid N/E
Tuluol (Toluene) Liquid loss by penetration N/E
Vegetables Disintegrates Slowly N/E
Wine Not harmful, necessary to prevent flavor contamination N/E
Xylol (Xylene) Liquid loss by penetration N/E