Hainan Steel news: 44 business fireproof coatings through 3C certification

  As we all know, steel is a building material will not burn it with seismic, bending and other features. In practical applications, the steel can either add the relative load capacity of the building, but also to meet the needs of the construction design aesthetic shape; also avoids the concrete and other building materials can not be bent, stretched defects. Thus the steel by the construction industry's favor, single, multi-layer, skyscrapers, factories, warehouses, waiting rooms and airport terminals, such as the use of steel are very common. However, the steel as a building material and there are some unavoidable deficiencies in fire protection, its mechanical functions, such as porosity, temperature increases due to a sharp decline in the yield point, tensile strength and elastic modulus, but the paint will surely play protection. Hainan Steel

    Thin steel structure fire retardant coating refers to the coating thickness 3mm (including 3mm) or less, decorative better, can swell foaming, usually within 2h fire resistance of the steel structure fire at high temperatures. This class fireproof coatings generally solvent-based systems, with superior bond strength, weather water resistance, good leveling, decorative, and other characteristics; slow foaming swell when exposed to fire hard to form a dense fire insulation layer, the fireproof layer has a strong impact fire, delaying the rise of steel, the effective protection of steel components. Ultra-thin fireproof coatings large expansion construction can be spray, brush or roller, generally used in the fire resistance of construction steel in the request within 2h.

    Thin coating of steel structure fire retardant coating means the coating thickness is greater than 3mm, less 7mm, have a certain decorative effect, high temperature swell thickening within 2h fire resistance of the steel structure fire. Such fireproof coating is generally used as a suitable aqueous polymer binder, together with a flame retardant composites, Fire supplements, refractory fiber and other components, the fire principle with the ultra-thin. This type of fire retardant paint, water-based polymer selected request steel substrates must have excellent adhesion, durability and water resistance.

    Thick steel structure fire retardant coating refers to a coating thickness greater than 7mm, less than equal to 45mm, grainy surface, smaller density, low thermal conductivity, fire resistance of at least 2h fireproof coatings. Due to thick fireproof coating composition mostly inorganic material, and thus its fire safety features and stable, long-term use is better, but its larger particle coating composition, coating appearance is not flat, affect the overall appearance of the building, and therefore mostly used shade structure projects. Use of such fire-resistant coating material in the fire granular surface, smaller density, low thermal conductivity of the material or coating heat resistance, delaying the rise of steel, the protection of steel. Such fire-resistant coating with a suitable inorganic binder (water glass, silica, aluminum phosphate, refractory cement, etc.), which together with inorganic lightweight aggregate insulating material (such as swollen perlite, vermiculite swell, sea bouldering, drift beads, fly ash, etc.), mixed fire additives, chemicals and reinforcing materials (such as aluminum silicate fiber, rock wool, ceramic fiber, glass fiber, etc.) and filler formulated with the advantage of lower cost . Construction often spraying for fire resistance of a request for more than 2h indoor and outdoor shade steel structure, all steel high-rise and multi-storey steel plant. Hainan Steel

     Since September 1, 2014, the newly revised "Fire Compulsory Certification Implementation Rules" beginning since the implementation of fire protection products available through compulsory certification for the production and sales. Thorough investigation to eliminate fake and poor quality of fire protection products in the market and endanger people's lives. Currently, 44 companies fireproof coatings through mandatory certification, a total of 94 parts 3C certification. Hainan Steel