MMO Ribbon Anode are composed of titanium ribbon substrate coated with a mixed metal oxide catalyst. The anodes can achieve 50 years operating lifespan in a current density of 17mA/m.
The mixed metal oxide anodes are designed for protecting the bottoms of many large-scale storage tanks. They can be used in sands with various levels of moisture and salt contents without any carbon filling materials.
MMO meshes or ribbons were welded together by metal titanium current distribution member as impressed-current anodes in storage tanks’ bottoms for cathodic protection system.
MMO Ribbon Anode Chemical Composition:
ASTM B265Gr1 or Gr2
Mixed Metal Oxide
Current Output (mA/m)
Expected Life (Year)
MMO Ribbon Anode Advantages:
Lightweight – 100 feet of the 1/4”(6.35mm) ribbon weighs slightly more than 1lb;
Ductile – composite materials eliminate problems with breakage of brittle materials such as graphite and silicon iron;
Dimensional stability eliminates issues associated with connection seals;
Compatible with a wide range of cathodic protection media (water, coke, seawater, brackish water);
Superior corrosion resistance compared to graphite, silicon iron, and other alternative materials;
Conveniently cut and welded in the field to suit various geometries;
Even current distribution;
Chemical corrosion resistance;
Low system electrical resistance.
MMO Ribbon Anode Application:
Reinforced concrete structures;
Buried steel structures;
Underground and above ground storage tanks;
Including soil, fresh water, brackish water, and seawater.
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