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Basic data
| Standard ID | GB/T 45946-2025 (GB/T45946-2025) |
| Description (Translated English) | Glass-ceramic panel for household and similar electrical appliances |
| Sector / Industry | National Standard (Recommended) |
| Classification of Chinese Standard | Y60 |
| Classification of International Standard | 97.030 |
| Word Count Estimation | 14,163 |
| Date of Issue | 2025-06-30 |
| Date of Implementation | 2026-01-01 |
| Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration |
GB/T 45946-2025: Glass-ceramic panel for household and similar electrical appliances
---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT45946-2025
ICS 97.030
CCSY60
National Standard of the People's Republic of China
Microcrystalline panels for household and similar electrical appliances
Released on June 30, 2025
Implementation on January 1, 2026
State Administration for Market Regulation
The National Standardization Administration issued
Table of Contents
Preface III
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Categories 2
5 Technical Requirements 2
6 Test Method 4
7 Inspection Rules 7
8 Marking, packaging, transportation, storage 8
Appendix A (Normative) Impact Specimen Bracket 9
Reference 10
Preface
This 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.
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 the China Light Industry Federation.
This document is under the jurisdiction of the National Technical Committee for Standardization of Household Electrical Appliances (SAC/TC46).
This document was drafted by. Wenzhou Kanger Microcrystalline Ware Co., Ltd., Guangdong Midea Life Appliance Manufacturing Co., Ltd., China Household Appliances
Research Institute, Zhejiang Changxing Novatek Glass Co., Ltd., Zhongshan Yuelong Kitchen Appliance Co., Ltd., Sichuan Leading Microcrystalline Glass Co., Ltd.,
Guangdong Kedi Glass-Ceramic Industry Co., Ltd., Zhongshan Jiadelong Kitchen Appliance Co., Ltd., Zhongshan Nadi Electric Technology Co., Ltd.,
Zhongshan Carterno Electric Co., Ltd., China Home Furnishing Institute (Beijing) Testing and Certification Co., Ltd., Shantou High-tech Zone Dexin Industrial Co., Ltd., Foshan
Shunde Bailuo Electric Co., Ltd. and Cixi Yueda Electronic Technology Co., Ltd.
The main drafters of this document are. Chen Mingxing, Zhao Shuang, Wu Zhiyong, Shi Hong, Huang Haixiao, Shen Shangyong, Wu Song, Cai Songquan, Zhong Hua, Zhong Hanxin,
Lin Jianbo, Li Tingting, Li Zetao, Jian Fuquan, Zhen Baohua, Niu Junying, Guo Qinzuan.
Microcrystalline panels for household and similar electrical appliances
1 Scope
This document specifies the requirements, inspection rules, marking, packaging, and other requirements for glass-ceramic panels for household and similar electrical appliances (hereinafter referred to as "glass-ceramic panels").
The packaging, transportation and storage are given, and the classification is given to facilitate technical regulations, and the corresponding test methods are described.
This document applies to the design, production, quality inspection, and delivery of flat microcrystalline panels. It is for reference only for other special-shaped microcrystalline panels.
2 Normative references
The contents of the following documents constitute the 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 1549-2008 Chemical analysis methods for fiberglass
GB/T 6739 Paints and varnishes - Determination of film hardness by pencil method
GB/T 16535 Test method for linear thermal expansion coefficient of fine ceramics - Ejector rod method
GB/T 21389 Vernier, dial and digital calipers
GB/T 22588 Flash method for measuring thermal diffusivity or thermal conductivity
GB/T 31838.7 Dielectric and resistive properties of solid insulating materials Part 7.Resistance characteristics (DC method) Measurement of resistance at high temperatures
Area resistance and volume resistivity
GB/T 37781-2019 Test method for bending strength of glass materials
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1
glass-ceramic
glass ceramics ceramicglass
A type of polycrystalline glass containing a large amount of microcrystalline phase and glass phase, which is obtained by controlling the crystallization of a basic glass with a specific composition during heating.
Crystalline solid material.
[Source. QB/T 4831-2015, 3.1]
3.2
Low expansion glass-ceramic
In the range of 25℃~700℃, the linear thermal expansion coefficient of the material is less than 20×10-7/K, and the strain caused by temperature stress is low.
(3.1).
[Source. QB/T 4831-2015, 3.2, modified]
3.3
Low expansion glass-ceramics (3.2) made from glass batches without adding inorganic arsenic compounds, antimony oxide and other raw and auxiliary materials.
...
