GB/T 13484-1992 Enamelled ware in contact with food

GB 2628-1981 GB 2630-1981 GB 2632-1981

GB/T 13484-2011 Enamelled ware in contact with food

GB/T 308-2002 Rolling bearings—Steel balls GB/T 308.1-2013 Rolling bearings—Balls—Part 1:Steel balls GB/T 308.2-2010 Rolling bearings—Balls—Part 2:Ceramic balls GB/T 2828.1-2003 Sampling procedures for inspection by attributes—Part 1:Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection GB/T 2828.1-2012 Sampling procedures for inspection by attributes—Part 1:Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection GB/T 2828.2-2008 Sampling procedures for inspection by attributes—Part 2:Sampling plans indexed by limiting quality(LQ)for isolated lot inspection GB/T 2828.3-2008 Sampling procedures for inspection by attributes—Part 3:Skip-lot sampling procedures GB/T 2828.4-2008 Sampling procedures for inspection by attributes—Part 4:Procedures for assessment of declared quality levels GB/T 2828.5-2011 Sampling procedures for inspection by attributes—Part 5:System of sequential sampling plans indexed by acceptance quality limit(AQL)for lot-by-lot inspection GB/T 2828.10-2010 Sampling procedures for inspection by attributes—Part 10:Introduction to the GB/T 2828 series of standards for sampling for inspection by attributes GB/T 2828.11-2008 Sampling procedures for inspection by attributes—Part 11:Procedures for assessment of declared quality levels for small population GB 4804-1984 Hygienic standard for enamel as food containers GB/T 5009.63-2003 Method for analysis of hygienic standard of enamel for food containers GB/T 9989-2005 Vitreous and porcelain enamels—Determination of resistance to citric acid at room temperature GB/T 9989.1-2015 Vitreous and porcelain enamels—Determination of resistance to chemical corrosion—Part 1:Determination of resistance to chemical corrosion by acids at room temperature GB/T 9989.2-2015 Vitreous and porcelain enamels—Determination of resistance to chemical corrosion—Part 2:Determination of resistance to chemical corrosion by boiling acids,boiling neutral liquids and/or their vapours GB/T 9989.3-2015 Vitreous and porcelain enamels—Determination of resistance to chemical corrosion—Part 3:Determination of resistance to chemical corrosion by alkaline liquids using a hexagonal vessel GB/T 9989.4-2015 Vitreous and porcelain enamels—Determination of resistance to chemical corrosion—Part 4:Determination of resistance to chemical corrosion by alkaline liquids using a cylindrical vessel GB/T 9989.5-2015 Vitreous and porcelain enamels—Determination of resistance to chemical corrosion—Part 5:Determination of resistance to chemical corrosion in closed systems GB/T 11418-1989 Determination of resistance to heat of vitreous and porcelain enamels GB/T 11419-1989 Determination of resistance to thermal shock of vitreous and porcelain enamels GB/T 11419-2008 Vitreous and porcelain enamels—Enamelled cooking utensils—Determination of resistance to thermal shock GB/T 11420-1989 Measurement of specular gloss of vitreous and porcelain enamels GB/T 11420-2024 Vitreous and porcelain enamels—Test method of specular glossiness GB/T 13485-1992 Standard test method for lead and cadmium released from enamelled ware in contact with food GB/T 9989.2-2025 Vitreous and porcelain enamels—Determination of resistance to chemical corrosion—Part 2:Determination of resistance to chemical corrosion by boiling acids,boiling neutral liquids,alkaline liquids and/or their vapours GB/T 9989.3-2025 Vitreous and porcelain enamels—Determination of resistance to chemical corrosion—Part 3:Determination of resistance to chemical corrosion by alkaline liquids using a hexagonal vessel or a tetragonal glass bottle GB/T 7410.1-2025 Vitreous and porcelain enamels—Terminology—Part 1:Terms and definitions GB/T 9988-2025 Test method for alkali resistance of porcelain enamels