Foster 85-20
Foster Spark-Fas Adhesive is an off-white, quick-setting, non-flammable, fire-resistive, synthetic elastomer adhesive used to adhere duct wrap, fibrous glass or mineral wool insulations (up to 6 lbs. density) to galvanized steel and aluminium air conditioning or hot air ducts, where a fire-resistive dry film is required. Non- flammable chlorinated solvents eliminate explosion and fire hazards during application. Operating temperature: -29 to 82°C.