Fire-resistant Coating
Overview
Fire-resistant Coating is a reactive surface treatment that expands when exposed to heat, forming an insulating char layer. Unlike conventional paints, it contains fire-retardant additives like ammonium polyphosphate, pentaerythritol, and melamine. The technology originated in the 1970s to meet building code requirements for steel structure protection. Modern formulations are categorized as thin-film (≤3mm) or thick-film (up to 50mm) systems. Water-based variants dominate the market due to environmental regulations, though solvent-based versions still exist for specific industrial applications. Performance is measured by standardized tests like ASTM E119 or EN 13501-2.
Physical and Chemical Properties
The coating's effectiveness stems from its endothermic reactions. When heated, it swells to 50x its original thickness while releasing water vapor and carbon dioxide. This process absorbs heat energy (typically 2-5kJ/g) and creates a low-density insulating layer with thermal conductivity below 0.1 W/m·K. Key components include binders (acrylic, epoxy), acid sources, carbonizers, and blowing agents. Some advanced formulations incorporate ceramic microspheres or graphite to enhance insulation. The cured coating usually has a matte finish with adhesion strength exceeding 1MPa on properly prepared substrates.
Main Applications
In commercial construction, fire-resistant coatings protect load-bearing steel columns and beams to maintain structural integrity during fires. Industrial applications include oil/gas pipelines, chemical storage tanks, and offshore platforms where hydrocarbon fires pose risks. The transportation sector uses thin-film versions for aircraft interiors and ship bulkheads. Emerging applications include data center server racks and lithium-ion battery enclosures. Specialized variants exist for wood substrates (e.g., heritage buildings) and concrete (spray-applied mortars).
Safety and Storage
Uncured coatings may contain volatile organic compounds (VOCs) requiring proper ventilation during application. Manufacturers provide Material Safety Data Sheets (MSDS) detailing flash points (typically >60°C) and personal protective equipment (nitrile gloves, goggles). Storage requires temperature control to prevent premature curing or separation. Containers should be tightly sealed and stored upright. Shelf life ranges from 6-24 months depending on formulation. Disposal of waste material must comply with local hazardous waste regulations.
B2B Procurement Guide
Professional buyers should specify: 1) Required fire resistance duration (e.g., 60-minute rating), 2) Substrate type and surface preparation requirements, 3) Environmental conditions (indoor/outdoor, humidity), and 4) Application method (spray, brush, roller). Bulk orders (200+ kg) often qualify for 10-15% discounts. Leading manufacturers include PPG, AkzoNobel, and Jotun. Third-party certification (UL, Warringtonfire) is essential. For projects, request product samples to test adhesion and drying characteristics before full-scale deployment.
Related Manufacturers
- 主营：添加用硅酸铝粉、煅烧高岭土、水洗高岭土、油漆陶瓷原料、滑石粉、膨润土、黄陶土、红陶土、轻质碳酸钙、重质碳酸钙、铝矾土、重晶石粉、石英砂、沸石粉、海泡石
- 主营：环氧富锌底漆、丙烯酸聚氨酯面漆、有机硅耐高温漆、防火涂料、氟碳漆、钢结构漆、环氧云铁中间漆
- 主营：--
- 主营：环氧富锌底漆、无机硅酸锌底漆、无机富锌底漆、防腐涂料、无溶剂液体环氧涂料、无溶剂环氧防腐涂料、高氯化聚乙烯防腐涂料、氯磺化聚乙烯防腐涂料、聚氨酯油漆、环氧树脂底漆、环氧磷酸锌底漆、环氧底漆、低表面处理环氧底漆、有机硅耐高温漆、环氧厚浆漆、丙烯酸聚氨酯面漆、环氧煤沥青防腐漆、氟碳面漆、氟碳防腐漆、氟碳漆、环氧云铁中间漆、环氧酚醛漆、无机硅酸锌耐高温漆、非碳系环氧导静电漆、环氧地坪漆
- 主营：地坪漆、丙烯酸地面漆、老旧地面改造漆
- 主营：铁砂铁粉、滑石粉、硅藻土、耐火材料、赤铁红、红土黄土、沸石粉、木粉、重钙、轻钙、磁粉、膨润土、锰砂、硅灰、活性白土、石英粉、萤石粉、重晶石粉、高岭土、莫来砂、珍珠岩粉、粉煤灰、白水泥、远红外粉
- 主营：滑石粉、超细滑石粉、重钙粉、涂料级滑石粉、超细重钙粉、碳酸钙、方解石粉、白云石粉、菱镁石粉、氧化镁、超细氧化镁、水镁石粉、氢氧化镁、绿泥石粉、石英砂、白砂、煅烧滑石粉、海城滑石粉、塑料级滑石粉、工业级滑石粉、微细滑石粉、滑石粉1250目、滑石粉800目
- 主营：玻璃粉、火山石粉、云母粉、涂料级硅酸铝粉、云母片、电气石粉、陶瓷砂、石英粉、莫来石粉、硅酸铝粉、轻钙粉、珍珠岩颗粒、透明粉、铝矾土、重钙粉、煅烧高岭土、蛭石、玻璃鳞片、煅烧贝壳粉、硅灰石粉、高硅滑石粉、低硅滑石粉、全加密硅灰、半加密硅灰
- 主营：云母、蛭石、轮胎粉、彩砂、蛭石板、阻火模块、石英砂、无石棉矿物复合纤维、木质纤维、海泡石
- 主营：覆膜砂、铸造覆膜砂、石英砂、石英粉、重晶石粉、圆粒砂、圆粒石英砂、硅石粉、白色硅微粉
- 主营：石墨粉、氢氧化钙、高纯石英砂、耐高温涂料、石英粉、硅微粉、硅酸钾、玻璃纤维布、水玻璃、辉绿岩铸石粉、环氧树脂、环氧树脂固化剂、活性炭、消石灰、耐高温耐磨材料、钾水玻璃、玻纤布、泡花碱、辉绿岩粉、耐酸水泥、玻璃丝布、水处理石英砂、水过滤石英砂、铸造用石英砂、防腐石英砂
- 主营：高铝细粉、耐火骨料、耐火砖原料、耐火材料、铝矾土、耐火细粉、粘土细粉、耐火砂、高铝骨料、高铝耐火砂、50含量高铝骨料、50含量高铝细粉、耐火水泥、高铝水泥、铝酸盐耐火水泥、CA50耐火水泥、骨料砂、各种型号高铝细粉、各种含量耐火骨料、铝矾土砂
- 主营：稻壳碳、气相白炭黑、有机覆盖物、涂料云母、沉淀二氧化硅、硅藻土、云母粉、育苗蛭石、松树皮、玻璃微珠、椰糠椰砖、木粉、海泡石粉、水洗高岭土、煅烧高岭土、沸石粉、红色火山石、重晶石粉、食品级氧化钙、钙基膨润土、配重铁砂、还原铁砂、钠基膨润土、低温玻璃粉
- 主营：石英砂、金刚砂、鹅卵石、涂料油漆耐火材料、白卵石、白沙子、重钙粉、黄金砂、白云石、重晶石粉、珊瑚石、膨润土、玻璃珠、蛭石、雪花白、玻璃砂、发光石、轻钙粉、灰钙粉、蛭石粉、珍珠岩、夜光石、水磨石、火山石、铁粉、金刚砂地坪材料
- 主营：高岭土、膨润土、云母、滑石粉、重晶石、碳酸钙、硅灰粉、白炭黑、玻璃粉、金刚砂、蛭石、彩色树皮、喜马拉雅盐、硅藻土、陶瓷砂、麦饭石
- 主营：高岭土、滑石粉、纳米仿瓷砂颗粒、重晶石、重钙、膨润土、硅藻土、麦饭石、绿沸石、海泡石、氧化铁、玻璃珠、玻璃粉、白炭黑、有机覆盖物、松树皮、玻璃砂、金刚砂、蛭石、火山石
- 主营：硅酸钾、氢氧化钙、石墨粉、石英砂、石英粉、硅微粉、水玻璃、铸石粉、环氧树脂E44、环氧树脂128、聚酰胺固化剂、环氧活性稀释剂、自粘导电铜箔、钾水玻璃、辉绿岩粉、玻纤布01.018.04、耐酸水泥、超细高纯石墨粉、超细煅烧高岭土、固化剂T31、环氧稀释剂、玻璃纤维布、地坪施工推刀
- 主营：石墨、膨胀石墨、导电石墨粉、防静电墨粉、阻燃石墨粉、鳞片石墨粉、超细石墨粉、云母、云母片、茶色云母片、云母粉、电气石、电气石粉、电气石颗粒、天然云母片、透明云母片、导热石墨、绝缘云母片、耐高温云母、云母板、岩片、贝壳片、膨润土、钙基膨润土、纳基膨润土
- 主营：硫酸钡、海泡石粉、小苏打、碳酸钙、生石灰、熟石灰、煅烧高岭土、硅藻土、工业尿素、三聚氰胺、氧化铁颜料
- 主营：润滑剂、石墨粉、超细石墨粉、涂料用硅酸铝粉、阻燃石墨、超细石墨、高纯石墨、煅烧高岭土、耐火泥造纸、润滑石墨铅粉、合成氟金云母粉、高岭土、种子包衣粉、麦饭石粉、白色电气石粉、远红外粉、导电石墨粉、耐高温石墨粉、云母片、天然云母片、耐高温云母片、透明云母片、云母板、沸石、沸石粉、麦饭石颗粒