All Natural Propeller Protection   

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The Damage of Fouling.

Yacht and boat owners are familiar with the problems resulting from long term exposure of surfaces to marine and fresh water environments.  Fouling, the accumulation of barnacles, tubeworms, slime and algae, is a significant issue that reduces the performance of vessels.  The results are slower speeds, increased fuel consumption, extended dry-docking and higher maintenance costs.  Propellers will lose power due to fouling.  Expenses such as lifting and time consuming cleanings can add up.  Protection from fouling is a worthwhile effort.

Protecting with Antifoul Grease.

Coating underwater gear with a thin layer of antifoul grease is considered the best method to deal with fouling.  This method is easier and less costly than dry-docking and expensive cleanings. 

There are several considerations when selecting an antifoul grease.  It should be suitable for propellers and other running gear, and should not react with bronze, aluminum, stainless steal, paint, or other materials that might be found in running gear.  It should be chromate and lead-free.  It should not contain Tributyl tin (TBT), an organotin compound banned in 2003 due to causing permanent damage to marine environments.  It should also not contain pesticides, biocides, or other toxins. The antifoul grease should resist weather and organic solvents.  Application of the antifoul grease should create a smooth surface finish with anti-sticking property, as well as high resistance to UV, corrosion, impacts, and scratches.
 

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