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Mg alloy sacrificial anodes are suitable for cathodic protection system of buried steel structures including gas, oil, water and network pipelines.

International Standards : ASTM b 843-1995 GB/T17731-2004

pre packaged anodes are prepacked in bags with low resistivity , quick wetting , prepared backfill consisting of 75 % hydrated gypsum , 20% bentonite , and 5% sodium sulphate .

Lead wire : standard 5m length of 10mm2 pvc/pvc red cable . other cable sizes and lengths are available . 

CHEMICAL COMPOSITION

Manganese

0.5 - 1.30 %

Aluminium

0.01 % max

Copper

0.02 % max

Iron

0.03 % max

Nickel

0.001 % max

Total any other single impurity

0.30 % max

Total of all other impurities

0.30 % max

Magnesium

Remainder

 

ELECTROCHEMICAL PROPERTIES

open circuit potential

-1.7 Volts

Closed Circuit potential

1.58 to -1.62v

capacity

1100 Amp.hour/kg

Efficiency

50 % minimum