Operating instructions

Compact Operating Instructions – DOP11C
43
9
Chemical resistance
Appendix
9 Appendix
9.1 Chemical resistance
9.1.1 Metal housing
The frame and housing are made of powder-coated aluminum. This powder coating can
be exposed to the following substances for more than 24 hours without any visible
changes:
The powder coating is partly resistant to the following chemicals at room temperature:
The powder coating is not or barely resistant to the following chemicals at room temper-
ature:
9.1.2 Solvent resistance of the display
The display can be exposed to the following substances for given time period the without
any visible changes:
Sea water Tap water
Diesel oil / fuel oil Sodium chloride solution 2% / 20%
Deionized water Phosphoric acid 4% / 10%
Acetic acid 10% Sulfuric acid 20%
Hydroperoxide 3% Cooking oil
Citric acid -
Butanol Nitric acid 3%
Hydrochloric acid 5% Nitric acid 10%
Isopropyl alcohol Phosphoric acid 43%
Sodium hypochlorite 10% Turpentine
INFORMATION
If contact with any of the above mentioned chemicals cannot be avoided, it is recom-
mended to first test the reaction of the substance at a spot of the metal housing which
is not visible to everybody.
Concentrated acetic acid Methyl ethyl ketone
Toluene Acetone
Nitric acid 30% Trichlorethylene
Ammonia 5% Phenol
Xylene Concentrated ammonia
Sodium hydroxide 5% Gasoline, 97 octane, unleaded
Ethyl acetate Sodium hydroxide 30%
Gasoline, 98 octane, leaded -
Solvent Time period
Acetone 10 min
Isopropanol 10 min
Toluene 5 h