Chemical Resistance Of The Touch Panel - Siemens SIMATIC HMI TP27 Equipment Manual

Technical Data
A.2

Chemical Resistance of the Touch Panel

Chemical resist-
The surface of the TP27-6 complies to DIN 42 115 Teil 2 and shows no visible
ance of TP27-6
signs of change when exposed to the chemicals listed in Table A-1 for a period
of over 24 hours.
Table A-1
Ethanol
Cyclohexanol
Glycol
Isopropanol
Glycerin
Methanol
Acetone
Methyl ethyl Ketone
Dioxan
Dimethylformamide
Benzyl alcohol
Ammoniac
Sodium hydroxide < 2%
Alcali carbonate
Bichromate
Potassium ferricyanide
Caution
!
Concentrated mineral acids
Concentrated alcaline solutions
High pressure steam exceeding 100
A-8
Resistof the surface of the TP27 6"
Acetaldehyd
Aliphatics
Benzine
Toluol
Xylene
Benzole
Formic acid
ethanoic acis
Phosphoric acid
Hydrochloric acid < 10%
Nitric acid
< 2% drilling emulsion
Diesel oil
Varnish
Paraffin oil
Ricinusöl
Silicon oil
Terpentin oil substitute
The surface of the TP27-6 is not resistant to the following chemicals:
Fluorocarbons
Perchlorethylene
1.1.1 Trichlorethylene
Trichlorethylene
Ethylacetate
Diethylether
< 50% Chlomatron
< 95% Hydrogen peroxide< 25%
< 30% Potash soap
Cleaning solution
(Tenside)
< 10%
Softener
Methylene chloride
_
C
TP27, TP37 Equipment Manual
< 20%
Release 01/00