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Explanation of the rating
++++
Resistant
+++
Practically resistant
++
Conditionally resistant
+
Less resistant
○
Not resistant
4.5.2.7
Polyvinyl chloride (PVC)
Table 4-74
Chemical resistance - polyvinyl chloride (PVC)
Substance
Test conditions
Rating
Concentration [%] Temperature [°C]
Salt water
5%
-
++++
Sugared water
10%
-
++++
Acetic acid, w.
5%
-
++++
Sodium carbonate, w.
5%
-
++++
Ethyl alcohol, w.
60%
-
++++
Ethylene glycol
50%
-
++++
Fuel B
(acc. to ISO 1817)
-
-
++++
Human sweat
-
-
++++
Explanation of the rating
++++
Resistant
++++
Practically resistant
++
Conditionally resistant
+
Less resistant
○
Not resistant
4.6
Guidelines for electromagnetic compatibility (EMC)
4.6.1
Overview
These EMC directives answer the following questions:
• Why are EMC directives necessary?
• What types of external interference have an impact on the system?
• How can interference be prevented?
Planning the RF300 system
4.6 Guidelines for electromagnetic compatibility (EMC)
SIMATIC RF300
108
System Manual, 02/2021, C79000-G8976-C345-09