This standard specifies the requirements, test methods, inspection rules and marks, Encasement, transportation, storage and mass certificate and order form (or contract) content of aluminum and aluminum alloy foil for building insulation materials. It is applicable to aluminum and aluminum alloy foil (hereinafter referred to as aluminum foil) for building roofs, walls and other insulation materials. The standard lists a series of normative reference documents, including chemical composition of deformed aluminum and aluminum alloys, test methods for aluminum foil, Encasement marks for aluminum and aluminum alloy processed products, transportation, storage, etc. The classification of products includes grades, conditions and specifications. When Miscellaneous specific grades, conditions and specifications are required, they should be indicated in the order form (or contract) and determined by the supplier and the buyer through negotiation.