IGH Systech Pte Ltd is a wholly separate company forming part of the B.H. McDonald & Associates Pte Ltd Corrosion Group comprising three other Australian companies. The group commenced operation in 1975 and the company have been established in Singapore since 1990. The companies' corrosion protection activities include consultancy, the provision of materials and equipment and/or installation/supervision of remedial installations to the Oil and Gas Industries, Marine Industries, Onshore Pipelines and many others.
Cathodic Protection describes an electrical procedure to protect steel structures exposed to corrosive aqueous environment, including seawater, brackish water, underground soil etc. It is a technique used to eliminate corrosion of a metal in an electrolyte by suppressing all the small localised corrosion currents from flowing out of the local anode into the electrolyte. This is done by introducing sufficient cathodic current to the metal concerned. This cathodic current negates or reverses the current generated in the corrosion cell and may be obtained either through Sacrificial Anode System or Impressed Current System.
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