The thermal insulating coating compounds are intended for use as exterior protective coatings on aircraft ordnance items. These coatings are formulated to meet applicable environmental conditions and also to delay an explosive reaction when coated ordnance items are exposed to high flux thermal environments. Usage of the coating compounds requires a topcoat in the specified color. Type I compound is intended for spray application. Type II compound is intended for use as a hard trowelled repair compound and for use in manufacturing. Type III coating is a solid sheet material manufactured from Type II coating. Type III coating is intended to be adhered to the ordnance item in accordance with MIL-STD-2098(AS).