While the hull is coated with antifouling paint, the propeller is not. Hence the only way to keep a propeller in shape is to ensure its proper and regular cleaning. Keeping the propeller blade surfaces smooth and inhospitable to countless marine organisms is a key task. When the blade surfaces of a propeller turn rough it results in minute scratches that allow marine organisms to settle and give way to formation of slime turning the blades into breeding grounds for weeds and shell which further compound the issue. As drag increases, fuel consumption also rises astronomically. Therefore, maintaining smooth blade surface increases efficiency and improves performance of the ship as polished propellers can help achieve between 3% and 8% fuel savings, translating into sizeable savings during the vessel's long duration of voyage.

While removing marine growth, calcium deposits and other effluents, use of natural water is rampant as a natural lubricant, a process that produces far better and enduring results. Proper surface polishing normally gives a finish of 0.5 to 1 micro Ra. Such a finish can only be achieved on propellers in reasonable condition free from such defects as cavitation, pitting, dezincification, or mechanical damage.

Indus Divers are the first in introducing underwater propeller polishing in the country. The Company employs innovativemethods and latest technology to bring quality and reliability in its service helping it to maintain its lead position.



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