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www.answers.com/Q/What_aluminum_hull_has_white_powder_spots_What_should_be_done_to_take_care_of_these_spots

Sand the spots down to shiny metal using fine sandpaper. ... What aluminum hull has white powder spots What should be done to take care of these spots? What aluminum hull has ... What do white powder spots on aluminum hull indicate?

www.finishing.com/331/73.shtml

I have noticed "pitting" on the transom with a white, powdery "puss looking" ... You also can connect zinc anodes to the boat to protect the aluminum as well. ... I have taken the bad spots down to bare metal, used a primer coat and the repainted. ... Q. We are experiencing significant corrosion to the hull (below water line)of a ...

www.boat-ed.com/indiana/studyGuide/Boat-Maintenance/10101601_700052529

Keeping your boat well-maintained will extend its life and give you and your family ... a common problem on aluminum hulls, that appears as white powder spots.

www.ccdv.com/forums/showthread.php?t=9723

White Powder Aluminum Oxide on Engine Components Car Care & Detailing. ... That will help prevent the buildup from returning too quickly. ... FYI the the small throw away foam paint brushes work well in some spots.

www.aluminum.org/sites/default/files/Tech_Q%26A_from_Aluminum_Now_2011-06-01.pdf

Society for Metals, 1984 indicate that after 10 years of aging at room temperature, 6061-T4 .... barrier coats and apply hull finish paint. ... white/gray spots, also called hot spots, on extrusions that can be seen on both ..... is as a pure metal, but significant amounts are added as master alloys and through powder injection. ".

fw.ky.gov/Enforcement/Documents/kyboatingsafetymanual.pdf

Boats with planing hulls can skim along at high speed, riding almost on top ... these designations to indicate length. transom ..... Check for oxidation, a common problem on aluminum hulls, that appears as white powder spots. Use fine ...

www.boatus.com/Seaworthy/rigging/default.asp

... of the turnbuckle is necessary to inspect hidden trouble spots most likely to fail. ... Aluminum welds on the mast and boom should be inspected, especially where there ... If a mast is painted, look for bubbles near fittings, which indicate corrosion. On an unpainted mast, look for white powder and pockmarks around fittings.

www.boatus.com/seaworthy/magazine/2012/october/Inspecting-Older-Boats-Runabouts-And-Center-Cockpits.asp

Gelcoat cracking in the hull can indicate minor collisions or trailering mishaps, though on lighter-built boats, they are often ... Breaker panels are another potential trouble spot. ... Look for white powder on the aluminum, a sure sign of corrosion.

www.rsps.org/documents/MarineCoatingsChemicalsSealants.pdf

May 7, 2013 ... Solvents (Helps carry coating from can to substrate). ○ Oil-based: ... Pigments: carbon black, titanium oxide for white, copper calcium silicate for blue ... paint ( running gear, vents and thru-hulls, bare spots, etc.) .... byproduct which inhibits marine growth, algae and plant fungus. Good on aluminum hulls.

www.reddit.com/r/Coffee/comments/2cryd9/what_is_this_i_found_it_growing_in_my_moka_pot_i

Aug 6, 2014 ... However, wet aluminum does form a thick white corrosion product, especial when in contact with other metals. .... with my sentiment of it being a disagree button...see what I mean? ..... It works like zincs on ship hulls as sacrificial anodes . .... If it's mould it could also be in the air or on something else in the ...