Chemical Concentration(%) Temperature(°C)
20 40
　 　 　
Acetic acid 10 ◎ ◎
Acetic acid 50 ◎ ◎
Acetic acid 80 ◎ ○
Acetic acid 95 or more ○ ×
Chromic acid 10 ◎ ◎
Chromic acid 50 ◎ ◎
Chromium mixed acid CrO3(25)+H2SO4(20) 55 ◎ ○
Chromium mixed acid CrO3(40)+H2SO4(20) 40 ◎ ◎
Mixed acid H2SO4(57)+HNO3(28) 15 ◎ ◎
Mixed acid H2SO4(50)+HNO3(33) 17 ◎ ○
Mixed acid H2SO4(10)+HNO3(20) 70 ◎ ○
Fluorine 10 ◎ ◎
Fluorine 30 ◎ ○
Fluorine 40 ○ △
Fluorine 55 ○ ×
hydrochloric acid 15 ◎ ◎
hydrochloric acid 25 ◎ ◎
hydrochloric acid 35 ◎ ◎
Hypochlorous acid 10 ○ ○
Nitric acid 10 ◎ ◎
Nitric acid 30 ◎ ◎
Nitric acid 75 ◎ ○
Nitric acid 98 × -
Nitric acid Fuming × -
Phosphoric acid 30 or less ◎ ◎
Phosphoric acid 30 or less ◎ ○
Sulfuric acid 10 ◎ ◎
Sulfuric acid 30 ◎ ◎
Sulfuric acid 60 ◎ ◎
Sulfuric acid 90 ◎ ◎
Sulfuric acid 98 ◎ ◎
Sulfuric acid Fuming × -
　 　 　
Ammonia water 30 ◎ ◎
Calcium hydroxide sat. ◎ ◎
Magnesium hydroxide sat. ◎ ◎
Potassium hydroxide 25 ◎ ◎
Sodium hydroxide 20 ◎ ◎
Sodium hydroxide 40 ◎ ◎
　 　 　
Fluorine ammonon sat. ◎ ◎
Ferric chloride sat. ◎ ◎
Calcium hypochlorite 30 ◎ ◎
hydrogen peroxide 5 ◎ ◎
hydrogen peroxide 40 ◎ ○
hydrogen peroxide 50 ○ △
Sodium hypochlorite 3-13 ◎ ◎
Potassium chloride sat. ◎ ◎
　 　 　
Acetone 100 × ×
Ammonium acetate sat. ◎ ◎
Benzene 100 × ×
Ethyl alcohol 100 ◎ ◎
Ethyl acetate 100 ◎ ◎
Cyclohexane 100 ○ -
Methyl alcohol 100 ◎ ◎
Toluene 100 × -
　 　 　
Ammonia gas 100 ◎ ◎
butane 100 ◎ -
carbon dioxide gas 100 ◎ ◎
Freon F12 100 ◎ ◎
Freon F21 100 ○ ○
Freon F22 100 × ×
Hydrogen chloride 100 ◎ ◎
Chlorine (dry) 100 △ △
Chlorine (wet) 10 △ △
Hydrogen 100 ◎ ◎
Methane 100 ◎ ○
Ozone 1 ◎ -
Propane 100 ◎ -
Sulfurous acid gas 100 ◎ ◎
Phosgene 100 ◎ ○
Roofing furnace gas 100 ◎ ◎
◎:Does not corrode (usable)
○:Partly corrodes (limited use available)
△:Corrodes (better not to use)
×:Highly corroded (usage prohibited)
* The above values are standard values and not guarantee values.
* In the density indication, “sat.” indicates a saturated aqueous solution at room temperature, and values other than 100 indicate the density of the aqueous solution as a percentage.

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