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it uses a standard test method al- ready approved by both the scien- tific and commercial communities. The major attributes of the test pro- cedure are as follows: measurabil- ity, repeatability, simplicity, con- trolled conditions and cost effective- ness. In summary, the proposed per- formance standard is relevant to the blast cleaning/painting indus- try and establishes criteria for cost benefit analysis. Chesapeake Specialty Products, Inc. is proposing these new stan- dards to the Steel Structures Paint- ing Council and to the International Standards Organization. CORROSEAL, INC. Circle 70 on Reader Service Card Corroseal, Inc. produces two prod- ucts for marine use at its plant in Seattle, Wash. The first product is Corroseal™, a rust convertor and metal primer used in daily mainte- nance all types of marine vessels. The second product is Crystal Lok™, a concrete hardener and waterproofer for ferro cement hulls, concrete dry docks, wharfs and other shore structures. Corroseal™ converts rust to an inert substance called magnetite and at the same time polymer primes the metal for top coating. This conversion process, when ap- Hydraulically Powered Outboard Propulsion Units, Efficient, Reliable and Easily Maintained With Unbeatable Performance. 35 HP Thru 1000 HP • Cost Effective • Infinite Maneuverability • Easy Installation • Portable Self-Contained System TMmaster of Texas P.O. Box 840189 • Houston, Texas 77284-0189 Phone:713-937-6295 • FAX 713-937-7962 Circle 241 on Reader Service Card * Il-V ? K;.t or^/H if'c imnrtrtint ti It's a big project, and it's important to you. When it's time to take the next step, you don't want to "take a number." You want a shipyard that will work with you to get the job done. One that knows that your project is unique, and has what it takes to do it right. A shipyard with a reputation for quality, productivity, and customer service that's second to none. A shipyard like Todd. If it's important to you, it's important to Seattle, Washington • tel 206.623.1635 • fax 206.623.5630 Ship design • Conversion • Overhaul • Mid-hodies • Repairs Circle 242 on Reader Service Card Circle 235 on Reader Service Card plied to clean, tight rust, creates a harder-than-steel barrier layer. This conversion process occurs exactly where the rust has corroded the steel. It does not dissolve the rust into the metal primer coating but rather con- verts it where the rust occurs to a non-rusting, inert substance. Corroseal™ is an ideal product for ship, tug or barge maintenance of corroded surfaces. It is nonflam- mable, contains no toxic pigments, is VOC compliant at 60 grams-per- liter, has no offensive odors and its mild, converter formula has a pH between grapefruit juice and orange juice. This makes the product user friendly and a reported favorite of vessel crews because it is easy to apply. It is especially effective on welds. Crystal Lok™ is not a coating. It penetrates new or existing concrete and hardens the surface, locking out moisture it reduces effervescence and chloride intrusion of concrete and it will stop moisture penetra- tion of concrete up to 300-inch im- mersion depth. This helps prevent rusting of rebar or steel in concrete and thus prevents spalling or break- ing up of the concrete. DEVOE Circle 71 on Reader Service Card Founded in 1754, Devoe Coat- ings, Louisville, Ky., is one of the oldest companies in the U.S. and reportedly the oldest paint company in the world. Over the years, Devoe has been a major contributor to coat- ing technology. From Devoe's origi- nal invention and patent of the ep- oxy resin back in the 1940's, the company has maintained a leading position in epoxy technology. Devoe offers a diverse range of products under trade names Devran, Bar-Rust and Devchem. The prod- uct range includes coatings designed for underwater application, low tem- perature cure, surface tolerant and the industry standard in chemical tank linings. Not only has Devoe been a leader in epoxy technology, but the firm also was one of the first companies in the world to offer organotin-free ablative antifoulings. Its ABC line of antifoulings has proven perfor- mance in waters around the world. DU PONT COMPANY Circle 72 on Reader Service Card Du Pont Company, Wilmington, Del., offers Starblast XL blasting abrasive for the marine industry. At less than one percent free crys- talline silica, Starblast XL abrasive has been added to the Navy's Quali- fied Product List and is CARB ap- proved. The abrasive is said to be excep- tionally efficient and economical due to low-dusting, faster cleaning rates, less clean-up time and virtually free of heavy metals. Starblast XL abrasive leaves a surface profile of 1.8 to 2.2 mils, which is ideal for maximizing coat- ing adhesion performance. Maritime Reporter/Engineering News
