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Basic dataStandard ID: GB/T 30771-2024 (GB/T30771-2024)Description (Translated English): Domestic devitroceram Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: Y24 Classification of International Standard: 81.060.20 Word Count Estimation: 10,120 Date of Issue: 2024-12-31 Date of Implementation: 2025-07-01 Older Standard (superseded by this standard): GB/T 30771-2014 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 30771-2024: Domestic devitroceram---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.ICS 81.060.20 CCSY24 National Standard of the People's Republic of China Replace GB/T 30771-2014 Daily glass ceramics Released on 2024-12-31 2025-07-01 Implementation State Administration for Market Regulation The National Standardization Administration issued ForewordThis document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents" Drafting. This document replaces GB/T 30771-2014 "Daily Glass Ceramics". Compared with GB/T 30771-2014, except for structural adjustment and editing In addition to the changes in performance, the main technical changes are as follows. --- Changed the technical requirements for appearance quality (see Table 2, Table 2 of the.2014 edition); --- Changed the technical requirements for thermal shock resistance (see 5.2, 5.2 of the.2014 edition); --- Deleted the technical requirements and test methods for the dissolution of lead, cadmium, arsenic and antimony (see 5.3 and 6.2 of the.2014 edition); --- Changed the technical requirements for microwave oven adaptability (see 5.3, 5.4 of the.2014 edition); --- Added technical requirements and test methods for mechanical washing resistance (see 5.4, 6.4); --- Changed the technical requirements for product specification errors (see 5.5, 5.5 of the.2014 edition); --- Changed the inspection rules (see Chapter 7, Chapter 7 of the.2014 edition); --- Changed product packaging, labeling, transportation and storage (see Chapter 8, Chapter 8 of the.2014 edition). Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents. This document was proposed by China Light Industry Federation. This document is under the jurisdiction of the National Technical Committee for Standardization of Daily-Use Ceramics (SAC/TC405). This document was drafted by. Guangdong Jiancheng High-tech Glass Products Co., Ltd., Chaozhou Yuechao Energy Saving Technology Consulting Service Center, Guangdong Sitong Ceramics Co., Ltd., Chaozhou Ceramics Industry Association, Guangdong Sanyuan Jade Ceramics Culture Development Co., Ltd. The main drafters of this document are Cai Jianxun, Lin Jia, He Fei, Cai Yiyu, Liu Shengdong and Huang Xiaodong. The previous versions of this document and the documents it replaces are as follows. ---First published in.2014 as GB/T 30771-2014. ---This is the first revision. Daily glass ceramics1 ScopeThis document provides information on the classification of daily-use glass ceramic products and specifies the technical requirements, inspection rules, packaging, labeling, etc. of daily-use glass ceramics. The labeling, transportation and storage of the product are described, and the corresponding test methods are described. This document applies to the production, inspection and sales of daily-use glass and ceramic products. This document does not apply to household glass ceramic cookers.2 Normative referencesThe contents of the following documents constitute essential clauses of this document through normative references in this document. For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to This document. GB/T 2828.1-2012 Sampling procedures for inspection by attributes Part 1.Sampling for batch inspection based on acceptance quality limit (AQL) plan GB/T 2829-2002 Periodic inspection sampling procedures and tables (applicable to the inspection of process stability) GB/T 3298 Determination of thermal shock resistance of daily-use ceramics GB/T 3300 Deformation test method for daily-use ceramics GB/T 3301 Determination of specification error and defect size of daily-use ceramics GB/T 3302 Rules for packaging, marking, transportation and storage of daily-use ceramics GB/T 3303 Terminology of defects in daily-use ceramics GB/T 5000 Terminology of daily-use ceramics GB/T 27587 Test method for resistance of daily-use ceramics to microwave heating GB/T 32680 Test method for mechanical washing resistance of daily-use ceramics3 Terms and definitionsThe terms and definitions defined in GB/T 3303, GB/T 5000 and the following apply to this document. 3.1 Glass ceramic devitroceram A type of ceramic composite material consisting of a crystalline phase and a glass phase Note. This is generally achieved by appropriately heating the glass to produce a sufficient amount of crystalline phase in the glass. [Source. GB/T 5000-2018, 5.28] 3.2 Glass ceramic products for daily use.4 Product Categories4.1 According to the purpose of the product, it can be divided into plates, bowls, cups, pots and other utensils. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 30771-2024_English be delivered?Answer: Upon your order, we will start to translate GB/T 30771-2024_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of GB/T 30771-2024_English with my colleagues?Answer: Yes. 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Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 30771-2024 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically. |
