Intumescent coatings are a type of fire protection material and device used to protect steel structures from fire. They are applied as a thin film to the surface of the steel and expand when exposed to heat, forming a thick insulating char layer that prevents the steel from reaching its ignition temperature. Intumescent coatings are typically composed of a base material, such as acrylic, epoxy, or polyurethane, and a fire retardant, such as ammonium polyphosphate, melamine, or graphite. The fire retardant is activated by the heat of the fire, causing the coating to expand and form a protective char layer. Intumescent coatings are used in a variety of applications, including commercial and residential buildings, industrial facilities, and transportation infrastructure. They are also used in the manufacture of fire-resistant doors, windows, and other building components. Some companies in the intumescent coating market include AkzoNobel, PPG Industries, Jotun, Hempel, and Sherwin-Williams. Show Less Read more
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