Chemical Resistance; Working With Stainless Steel Surfaces - Siemens SIMATIC INOX Series Compact Operating Instructions

Cleaning the device

4.3 Chemical Resistance

4.3 Chemical Resistance
Front membrane
The resistance of the front membrane to various chemicals has been tested to DIN 42 115,
section 2. The front membrane is resistant to the chemicals listed below:
● Alcohol
● Diluted acids
● Diluted caustic solutions
● Ester
● Hydrocarbons
● Household cleaners
You can find information of chemical resistance on the Internet
(http://support.automation.siemens.com/WW/view/en/39718396).
Mounting gasket
The mounting gasket made of EPDM is approved for food according to
FDA 21 CFR 177-2600.
4.4

Working with stainless steel surfaces

Resistance
Information on the resistance of stainless steel:
● The stainless steel surface is not fully resistant against the chemicals listed below:
– Hydrochloric acid
– Sulphuric acid
– Sodium hydroxide
– Chlorine
– Chlorides
Do not clean the stainless steel surface with these chemicals or with similar acids or
caustic solutions.
● Acid steam develops, for example, when tiles are cleaned with hydrochloric acid, and is
also harmful to the stainless steel. If the stainless steel parts are unintentionally
contaminated with hydrochloric acid, rinse these off immediately with plenty of water.
● Clean the stainless steel surface with a cleansing agent without active chlorine.
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Comfort Panels INOX, ITC INOX
Compact Operating Instructions, 09/2017, A5E33472156-AI