LYCOS RETRIEVER 
Sealants: Coatings
built 287 days ago
Royal Adhesives and Sealants is a manufacturer and marketer of industrial adhesives and sealants, commercial roofing adhesives and mirror mastics. Royal manufactures both solvent-based and water-based adhesives and sealants that are packaged in a variety of packages including totes, drums, pails, cartridges and foil wrapped sausages. For more information please visit http://www.royaladhesives.com.
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Sealants and caulks are used to fill joints, gaps, and cavities between two or more similar or dissimilar substrates. Today, the number of applications for sealants in construction, industrial and consumer markets are growing.
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Some sealants have compounds in them which virtually prohibits water from being absorbed by the concrete. In certain instances, these sealants ... inhibit the passage of water vapor from the slab to the air above the slab. These sealants are often referred to as non-breathable. This property can be detrimental depending upon the climate. Sealants containing compounds which do not breathe should be avoided in climates where temperatures drop below freezing (32 F) for extended periods.
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PU sealants are available in 1, 2 and even 3 part systems, either in cartridge, bucket or drum format. The major (though not exclusive) supplier of construction urethanes in the U.S. is Tremco, of Cleveland, Ohio. A version of their PU sealant is ... sold for firestopping applications. Obviously, the sealant by itself provides no serious hindrance to fire, as its hydrocarbon bonds readily support combustion. However, when backed by inorganic insulation, such as rockwool or ceramic fibres, it can act as an effective seal to thwart smoke and hose-stream passage, particularly in inorganic joints. It is, however, advisable to avoid direct contact with metallic penetrants and through-penetrating cables, as the heat carried by the penetrants may jeopardise the sealant.
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RPM International Inc., a holding company, owns subsidiaries that are world leaders in specialty coatings and sealants serving both industrial and consumer markets. RPM's industrial products include roofing systems, sealants, corrosion control coatings, flooring coatings and specialty chemicals. Industrial brands include Stonhard, Tremco, illbruck, Carboline, Day-Glo, Euco, and Dryvit. RPM's consumer products are used by professionals and do-it- yourselfers for home maintenance and improvement, automotive and boat repair and maintenance, and by hobbyists. Consumer brands include Zinsser, Rust- Oleum, DAP, Varathane and Testors.
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Nordson Corporation is one of the world's leading producers of precision dispensing equipment that applies adhesives, sealants and coatings to a broad range of consumer and industrial products during manufacturing operations. The company ... manufactures equipment used in the testing and inspection of electronic components as well as technology-based systems used for curing and surface treatment processes. Headquartered in Westlake, Ohio, Nordson has more than 4,000 employees worldwide, and direct operations and sales support offices in 30 countries. For more information, visit www.nordson.com.
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