This standard specifies the product classification, requirements, test methods, inspection rules and marking, packaging and storage of water-based flexible inorganic ceramic coatings. This standard applies to water-based flexible inorganic ceramic coatings prepared by the sol-gel method using siloxane monomers or oligomers as the main raw materials. This product is mainly used for decoration and protection of the surfaces of metal and non-metal substrates such as rail transit, prefabricated building panels, kitchen utensils, steel structures, etc.