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9
Appendix
9.1
Chemical resistance
Stop!
The resistance of the surface against acid food (e.g. tomato juice,
lemon juice) is low. For this reason remove soilings immediately,
otherwise the surface may be damaged.
The following table shows the resistance of the surfaces (keypad, display, touch
screen) to the listed chemicals.
For the operating units EPM-H5xx and EPM-H6xx, Lenze offers protective foils with
an improved resistance against the listed chemicals.
Substance
Acetic acid
Acetone
Ammonia
Benzene
Benzole
Benzyl alcohol
Diesel oil
Ethanol
Ethylene glycol
Formic acid
High-pressure and
temperature > 100 °C
Hydrochloric acid
Hydrogen peroxide
Hypochlorous acidic
natron
Isopropanol
Methanol
Methylene chloride
Mineral acids
Nitric acid
Perchloroethylene
EDBPM-H515 DE/EN/FR 2.0
EPM-H3xx
≥ 5 % < 50 %
—
≥ 2 %
—
☺
☺
—
☺
≥ 50 %
—
—
≥ 10 %
—
≥ 25 %
—
≥ 20 %
—
☺
☺
—
Concentrated
—
≥ 5 % < 10 %
—
Appendix
Chemical resistance
Operating unit
EPM-H4xx
EPM-H5xx
EPM-H6xx
—
☺
—
☺
☺
—
—
—
—
—
☺
☺
—
—
—
9
with
protective
foil
☺
☺
☺
☺
☺
☺
—
☺
—
☺
☺
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