Fire-protective coatings application

RCF is sold in a variety of forms, such as loose fiber, blanket, boards, modules, doth, cements, putties, paper, coatings, felt, vacuum-formed shapes, rope, braid, tape, and textiles. The products are principally used for industrial applications as insulation in furnaces, heaters, kiln linings, furnace doors, metal launders, tank car insulation, and other uses up to 1400°C. RCF-consuming industries indude ferrous and nonferrous metals, petrochemical, ceramic, glass, chemical, fertilizer, transportation, construction, and power generation/incineration. Some newer uses include commercial fire protection and applications in aerospace, eg, heat shields and automotive, eg, catalytic converters, metal reinforcement, heat shields, brake pads, and airbags. 

Wood samples measuring 150 x 30 mm were coated with 4 layers of fire-protective coating compositions S ASB for indoor application by brush with layer-by-layer... 

Nanoscale sihcon oxide is widely used in microelectronics, optoelectronics and electronics are parts of the means of fire protection, coatings, high temperature adhesives, paints, various mortars. Medical and biotechnology applications comprising silica nanoparticles and sorbent molecular sieves of DNA delivery vehicles, proteins, anticancer agents [17]. 

Loose asbestos fibers, or formulations containing asbestos fibers for spray coatings, have been widely used in the building industry for fire protection and heat or sound insulation. Such applications used mainly chrysotile or amosite but, because of health concerns, this practice has been discontinued. 

These coatings provide the most effective fire-resistant system available but originally were deficient in paint color properties. Since, historically, the intumescence producing chemicals were quite water-soluble, coatings based thereon did not meet the shipping can stability, ease of application, environmental resistance, or aesthetic appeal required of a good protective coating. 

Applications Their main application is as ammonium phosphates in fertilizers. In addition, they are used in fire protection e.g. as an additive in fire-extinguishing agents for fighting forest fires, as flame retardants in paper, textiles and poly(urethanes), in the prevention of afterglow in matches and as a component of intumescent paints (flame retarding coatings). They are also used in small quantities in animal nutrition, particularly for cattle. 

Application of fire-resistant coatings is one of the basic methods of protecting wood and other flammable materials from the influence of a fire and increased temperature. It is desirable to impart both short-term protection, to allow evacuation from a building, and long-term protection, to protect the surfaces from heat and fire damage and to prevent combustion. In recognition of the foregoing, various compositions have been developed that can add fire-retardant (-resistant) performance to substrates. 

Test samples were fir boards 244 cm in length using three sections measuring 51 x 1.3-cm wide by 244-cm long for a total specimen length of 732 cm, coated with fire-protective composition S ASB for indoor application. Maximal temperature in the tunnel furnace was approximately 370°C. 

Moisture Resistance of Fire-Protective and Heat-Insulating Coatings for Outdoor Application... 

Figovsky, O., Karchevsky, V., Beilin, D., and Aksenov, O. Advanced Waterborne Fire Protective and Fleat Retarded Coating Compositions, Conference Papers, Organic-Inorganic Hybrids II Science, Technology, Applications, University of Surrey, Guilforg, UK, 28-29 May 2002, Paper no. 16. 

An extremely fire-resistant coating material designed for spray applications to onshore and offshore oil and gas facilities has been introduced by Hempel s Marine Paints. The product, called ContraFlam 3810, is easy to apply and is particularly well-suited to the protection of structural steel work, walls, and floors. Another coating of a surface hardener/weather barrier material, such as Contraflam Topclad 3811, can then be applied followed by a color coat. 

In the preceding sections, various passive fire protection methods have been discussed. Practical applications have been demonstrated for CS board, VP based mortar, intumescent coating. In general, it can be concluded that passive protection methods are effective in reducing heat release, smoke, and toxic gas production, and can limit the participation of the contribution of the component to the fire. These are indeed critical issues, but for multiple-story buildings, the issue of structural fire endurance is also important. It was shown that these passive methods with certain thickness of the protective layer can prolong the structural endurance time by maximum 100% for FRP components with a flange thickness of less than 10 mm on the fire side. 

The normal method of surface-based fire protection involves the application of a protective dye or coating on textiles, woods, or even metals and building construction materials. This technique is rather exceptional for plastics, but it is worth discussing. 

Within fire protection of building materials, intumescent coatings are among the most widely used products with some unique features. They require a much lower thickness and weight than the alternative thermal insulating materials, and they allow simple application in thin films with high performance. 

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