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First, product overview indoor thick steel structure fire protection coating is Wuli coating designed for the first-class fire resistance grade steel structure load-bearing components of fire protection, production of thick coated steel structure fire protection paint. After the coating is sprayed on the surface of the steel component, it relies on the non-combustibleness and low thermal conductivity of the coating itself to form a fire-resistant thermal protection layer, and the direct attack of the slow fire on the load-bearing components, thus effectively raising the fire resistance limit of the steel structure.Because the product has the characteristics of non-corrosive steel, no chemical reaction with any anti-corrosion primer, no irritating odor, light coating quality (structural load weight is relatively light), large unit coating area, no smoke in case of fire, no release of harmful gases, so it is suitable for a variety of new, expanded and remodeled industrial and civil construction projects steel structural heavy components of fire coating and fire protection
China
., technical standards, technicalin line with GB 14907-2002 national standards of technical indicators.Three, construction process1, fire-resistant coating, steel component surface rust removal and rust-proof primer coating should comply with the design requirements and the relevant national norms, Wuli paint friendship prompts you construction friends: should completely remove the surface of steel components dust, oil and other debris.2, fire-resistant paint should be done before the interior decoration and under conditions not damaged by subsequent works. During construction, walls, doors and windows, mechanical equipment and other components that do not require fire protection shall be sheltered.3, brush the Wuli steel structure interface agent once before spraying, to be dried after the interface agent table by spraying or coating. Before coating, mix well according to the ratio of powder: emulsion : 1:1, so that it is non-clot-free thick fluid state. Thin consistency should be based on the coating method, in order to facilitate construction, non-flow, bonding firm is appropriate. For extra wide large steel should be added steel frame net, in order to prevent paint leakage or separation.4, the use of spray coating, with bump-type spray gun, air pressure of 0.6 to 0.8MPa, the diameter of the gun should be 6 to 10mm. The spray gun is perpendicular to the surface of the coated component and is suitable for 40 to 60 cm.5, spray construction the first time is not too thick, to be dry and then carry out the next construction, not flowing as appropriate, until the standard thickness is reached.6, the application method of applying fireproof coating by application method is basically the same as the method of applying cement., Note 1, during the construction process and before the coating drying curing, the ambient temperature should be maintained at 5 to 45 degrees C, relative humidity should not be greater than 85%, air should flow.2, when the surface of the component has condensation, it is not suitable for construction.3, the construction process, according to the fire resistance limit at any time pay attention to measure the thickness of the coating.4, this product is water-based fire-resistant paint, so the coating in the construction process or after the completion of construction should be indoors or shelter to avoid rain.5, powder must not be moisture; The finished paint must be used up within 30 minutes.
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