MengziFire-retardant coating for steel structures

Steel Structure Fireproof Coating I. Product Introduction Steel structure fireproof coating is a specialized coating designed to enhance the fire resistance limit of steel structures. When applied to the surface of steel structures, it forms a fire-resistant and heat-insulating protective layer, which delays the temperature rise of steel in a fire, thereby improving the fire resistance limit of the steel structure. This coating is mainly divided into thick, thin, and ultra-thin types, with different coating thicknesses and fire resistance limits for each type. Product Features: Excellent Fire Resistance: Steel structure fireproof coating rapidly expands in a fire to form an insulating layer, effectively reducing the temperature of the steel structure's surface, thereby enhancing its fire resistance limit. After rigorous testing, the fire resistance time of the fireproof coating under various fire conditions can meet the standard requirements. Moderate Coating Thickness: Different types of fireproof coatings have varying coating thickness ranges to meet the needs of different applications. During construction, precise control of the coating thickness ensures that the fireproof coating's performance is fully utilized. Easy Application: Steel structure fireproof coating can be applied through various methods such as spraying and brushing, making operation simple and convenient. At the same time, the coating has a shorter drying time, which helps to improve construction efficiency. Scope of Application Bridge Engineering: As a vital component of transportation infrastructure, the safety of bridges is paramount. Steel structure fireproof coating can be applied to critical parts of bridges such as steel beams and steel columns to improve the bridge's fire resistance, ensuring the stability and safety of the bridge structure in the event of a fire. High-rise Buildings: Steel structures are widely used as load-bearing and supporting structures in high-rise buildings. In these buildings, steel structure fireproof coating can be extensively applied to steel columns, steel beams, and other parts of steel structures to enhance the overall fire resistance of the building, ensuring safe evacuation of personnel and smooth firefighting operations. Storage Facilities: In industries such as petroleum and chemical, storage facilities are often constructed from steel. When these facilities store flammable and explosive materials, the consequences of a fire could be disastrous. Therefore, applying fireproof coating to the steel surfaces of these facilities can effectively improve their fire resistance and reduce fire risks. IV. Technical Parameters: Item Technical Specification Test Result Measured Value Test Method (National Standard) Product Color Conforms to Sample Meets Standard White Visual Inspection Film Appearance (Visual) Smooth, uniform, free of impurities Meets Standard Smooth, uniform CB1721-79 Gloss Matte Compliant 28° (60° angle) GB1743-79 Solid Content: % 72 Meets Standard 73 GB/T1725-2007 Fineness μm ≤50 Meets Standard 48 Hardness: h hB Meets Standard hB GB/T6739-2006 Drying Time Surface Dry (min) ≤20 Meets Standard 15 GB/T1728-1989 Hard Dry (h) ≤24 Meets Standard 24 GB/T1728-1989 Flexibility (mm) 1 Meets Standard 0.9 GB/T1731-1993 Adhesion: (level) 1 Meets Standard 1 GB1720-79 Bonding Strength/MPa ≧0.15 1.12 Qualified Water Resistance After 24h test, the coating should show no delamination, blistering, or peeling. Compliant Qualified VI. Storage and Safety Protection: The product should be stored in a cool, well-ventilated place, away from direct sunlight, open flames, and heat sources. Keep the construction area dry and clean, and strictly avoid contact with water, acids, alcohols, alkalis, etc. After mixing the paint, the hardener container must be tightly sealed to prevent gelling. Operators should wear safety masks and gloves to avoid contact with skin or eyes. In case of accidental contact, rinse thoroughly with clean water.