9
9.2.4 Electrode Material
It is applied in water, sewage and organic corrosive medium.
It is resistant to the corrosion of the medium mixture of
oxidizing acid such as Nitric acid, mixed acid or Sulfuric acid.
Moreover, it is resistant to the corrosion of the oxidizing salt
such as Fe
2+
、Cu
2+
or other substances containing oxidants
such as the salt solution of hypochlorous acid above the
ambient temperature and sea water.
It is resistant to the corrosion of sea water, various oxides,
salt solution of hypochlorous acid, oxidating acid (including
fuming Nitric acid) and organic acid and alkane. It is not
resistant to the corrosion of pure reducing acid (such as
Sulfuric acid and Hydrochloric acid). However, the anti-
corrosion property will be greatly degraded if the acid contains
some oxidants.
It has excellent corrosion resistance. Its characteristic is
similar to glass. In addition to hydrofluoric acid , nitric acid ,
alkali, it could resist almost all chemical medium (including
boiling hydrochloric acid, nitric acid and sulfuric acid below
175’C). It could not resist corrosion in alkali.
9.2.5 Housing Protection Rating(IP)
IP67
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