FireMaster® Expanding Paper is a thin, flexible material that expands on heat exposure to provide thermal insulation and fire protection when exposed to fire or heat. Applications: The product is normally incorporated into engineered fire-rated components to provide a sealing function during fire exposure. Typical end use are: glazing screens, pipe wraps, fire doors industrial, fire rated services, fire rated grills, fire rated electrical boxes/down lights, fire rated air conditioning units. information provided by Morgan Advanced Materials |