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MARINE PAINTS & COATINGS Following is a review of recent coatings, application and maintenance technologies from some of the industry's biggest players. Sigmaguard Coatings Protect Water Ballast Tanks Sigma Coatings has developed a compound to extend the coating- life expectancy in water ballast tanks of U.S. Navy vessels. The new Sigmaguard BT coating Circle 240 on Reader Service Card is solvent-free in nature and it reportedly provides exceptionally high dry film thickness and opti- mal edge deposition on sharp edges, welds and corners where coatings tend to fail. These coat- ings also offer corrosion resistance, are light in color for easy inspec- tion, and are suitable for block stage application. Circle 5 on Reader Service Card Sherwin Williams Introduces COROTHANE Line of Coatings A new brochure is available from Sherwin Williams Industrial and Marine Coatings that provides information regarding its line of moisture-cure urethane coatings, specifically formulated for low temperature applications over marginally prepared surfaces. The COROTHANE I line can reportedly be applied in tempera- tures as low as 20 degrees F and in humidities up to 99 percent, with no dew point restrictions. The coatings contain Micaceous Iron Oxide, a metallic pigment that cre- ates a barrier effect, reinforcing and strengthening the paint film. Circle 2 on Reader Service Card Sattex Introduces New Buffing Compounds The Sattex Marine line of polish- ing compounds is available in brick shapes and stacks in six dif- ferent abrasive grades. These buffing compound bricks and sticks vary in order to remove dif- fering degrees of surface oxidation, minor scratches, orange peel and sanding marks while reportedly enhancing the luster of the hull's gelcoat. All Sattex compounds are non-toxic and saponifiable. Circle 3 on Reader Service Card U.S. Paint Bolsters Product Line Awlgrip 2 is the latest coating from U.S. Paint Corporation with added benefits over its predeces- sor, Awlgrip 1. The widely acclaimed Awlgrip product line now offers standards that meet with California's tough EPA requirements, plus Awlgrip 2 reportedly offers a more environ- mentally safe, deep, rich, high lus- ter shine. Circle 4 on Reader Service Card Maritime Reporter/Engineering News
