Magnesium reinforced porcelain inspection

This standard specifies the product classification, technical requirements, test methods, inspection rules, marking, packaging, transportation, and storage of magnesium reinforced porcelain. This standard is applicable to magnesium reinforced porcelain mainly composed of magnesium silicate. The following normative references are essential for the application of this document. For dated references, only the dated version applies to this document. For undated references, the latest version (including all modification orders) applies to this document. GB/T 2828.1-2003 Sampling Procedures for Inspection by Attributes Part I: Sampling Plan for Batch Inspection Retrieved by Acceptance Quality Limit (AQL) GB/T 2829-2002 Sampling Procedures and Tables for Periodic Inspection by Attributes (Applicable to the Inspection of Process Stability) GB/T 3298 Determination of Thermal Shock Resistance of Household Ceramics GB/T 3299 Determination of Water Absorption of Household Ceramics GB/T 3300 Methods for Deformation Inspection of Household Ceramics GB/T 3301 Volume, Caliber Error, and Height Error of Household Ceramics, Methods for determining weight errors and defect sizes GB/T 3302 Packaging, marking, transportation, and storage rules of daily ceramics GB/T 3303 Terminology of defects in daily ceramics GB/T 3532-2009 Daily ceramics GB/T 3534 Determination of lead and cadmium release GB/T 4734 Chemical analysis methods of ceramic materials and products GB/T 5000 Terminology of daily ceramics GB 12651 Ceramic products in contact with food, The allowable limit of cadmium dissolution GB/T 27587 Test Method for Resistance of Household Ceramics to Microwave Heating QB/T 1503 Test Method for Whiteness of Household Ceramics QB/T 1993 Test Method for Impact Strength of Household Ceramics QB/T 3731 Test Method for Vickers Hardness of Household Ceramic Glaze 3 Terms and Definitions GB/T 3303 and GB/T 5000 are applicable to this document. 4 Product Classification 4.1 According to the purpose of the product, it can be divided into: dishes, bowls, cups, pots, and other utensils. 4.2 According to the product type, it can be divided into flat products, small hollow products, and large hollow products. 4.3 According to the specifications and dimensions of the product, it can be divided into small, medium, large, and special types. The specification range is shown in Table 1

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