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Can ATV process withstand environment with chlorine?

One of the environmental condition in ATV650 datasheet deals with chemical pollution resistance.
For ATV reference it is possible to find
Chemical pollution resistance : class 3C3 EN/IEC 60721-3-3

The standard defines the levels of chemical active substances. For 3C3 class, max concentration of chlorine can achieve 0.3mg/m3 (average) or 1mg/m3 peak value.
Average value is expected long-term value. Peak value can occur over a period of time of not more than 30 minutes per day.
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