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GB/T 32647-2025: Specification for flat panel display glass substrates
Status: Valid GB/T 32647: Evolution and historical versions
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| GB/T 32647-2025 | English | 359 |
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Specification for flat panel display glass substrates
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GB/T 32647-2025
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| GB/T 32647-2016 | English | 339 |
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Specification for flat panel display glass substrates
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GB/T 32647-2016
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Standard similar to GB/T 32647-2025 GB/T 51033 GB/T 50082 GB/T 32647 Basic data | Standard ID | GB/T 32647-2025 (GB/T32647-2025) | | Description (Translated English) | Specification for flat panel display glass substrates | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | L90 | | Classification of International Standard | 31.030 | | Word Count Estimation | 18,16 | | Date of Issue | 2025-08-01 | | Date of Implementation | 2026-02-01 | | Older Standard (superseded by this standard) | GB/T 32640-2016, GB/T 32641-2016, GB/T 32645-2016, GB/T 32647-2016 | | Issuing agency(ies) | State Administration for Market Regulation, Standardization Administration of China | GB/T 32647-2025: Specification for flat panel display glass substrates---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/GBT32647-2025
ICS 31.030
CCSL90
National Standard of the People's Republic of China
Replaces GB/T 32640-2016, GB/T 32641-2016, etc.
Specifications for Flat Panel Display Substrate Glass
Released on August 1, 2025
Implementation on February 1, 2026
State Administration for Market Regulation
The National Standardization Administration issued
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.
This document replaces GB/T 32640-2016 "Flat Panel Display Substrate Glass Effective Area Specification", GB/T 32641-2016 "Flat Panel Display
GB/T 32645-2016 "Flat Panel Display Substrate Glass Standard Dimensions", GB/T 32647-
2016 Specification for Flat Panel Display Substrate Glass, this document is based on GB/T 32647-2016 and integrates GB/T 32640-2016,
GB/T 32641-2016, GB/T 32645-2016.Compared with GB/T 32647-2016, except for structural adjustments and editorial changes,
In addition to the dynamic, the main technical changes are as follows.
a) Added the terms and definitions of positioning angle and working surface (see 3.1 and 3.2);
b) Added the requirements for effective area size division (see 4.1.1.1);
c) The requirements for length, width and deviation have been changed (see 4.1.1.2, 4.1.1 of GB/T 32647-2016);
d) The requirements for thickness deviation have been changed (see 4.1.1.3, 4.1.2 of GB/T 32647-2016);
e) The requirements for thickness variation have been deleted (see 4.1.3 of GB/T 32647-2016);
f) Added thickness difference requirements (see 4.1.1.4);
g) The requirements for edge shape have been changed (see 4.1.1.5, 4.1.5 of GB/T 32647-2016);
h) Added requirements for cutting angle deviation and positioning angle deviation (see 4.1.1.6);
i) Added the requirement for right angle (see 4.1.1.7);
j) The requirements for warpage, surface roughness, and waviness have been changed (see 4.1.1.8, 4.2, and 4.1.4 of GB/T 32647-2016);
k) The appearance requirements have been changed (see 4.1.2, 4.2 of GB/T 32647-2016);
l) The requirements for thermal properties, mechanical properties, and optoelectronic properties have been changed (see 4.3, 4.4, 4.5, 4.3 of GB/T 32647-2016);
m) Added requirements for chemical durability and alkali metal oxide content (see 4.6 and 4.7);
n) The test method for thickness deviation and thickness difference has been changed (see 5.2, 5.2 of GB/T 32647-2016);
o) The test methods for edge shape and cut angle deviation have been changed (see 5.3, 5.4, and 5.7 of GB/T 32647-2016);
p) The test method for warpage has been changed (see 5.6, 5.3 of GB/T 32647-2016);
q) The test method for deflection has been changed (see 5.7, 5.4 of GB/T 32647-2016);
r) The test method for appearance has been changed (see 5.8, 5.8 and 5.9 of GB/T 32647-2016);
s) The test methods for surface roughness and waviness have been changed (see 5.9, 5.10, 5.6, 5.7 of GB/T 32647-2016);
t) Added positioning angle deviation, right angle, annealing point, strain point, softening point, average linear thermal expansion coefficient, thermal conductivity, reheat line shrinkage
Shrinkage, density, stress, Young's modulus, shear modulus, Poisson's ratio, Vickers hardness, transmittance, refractive index, volume resistivity, dielectric constant
Test methods for dielectric constant, dielectric loss factor, chemical durability, and alkali metal oxide content (see 5.4, 5.5, 5.11 to 5.29);
u) The requirements for the inspection rules have been changed (see Chapter 6, Chapter 6 of GB/T 32647-2016);
v) The transportation and storage requirements have been changed (see 8.2, 8.3, 8.2, 8.3 of GB/T 32647-2016).
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 and coordinated by the National Technical Committee for Semiconductor Equipment and Materials Standardization (SAC/TC203).
This document was drafted by. IRICO Group Co., Ltd., China Electronics Technology Standardization Institute, IRICO Display Devices Co., Ltd.,
Zhengzhou Xufei Optoelectronics Technology Co., Ltd., Bengbu Zhongguang Optoelectronics Technology Co., Ltd., Dongxu Group Co., Ltd., and Rainbow Group (Shaoyang) Special Glass
Co., Ltd., Wuhu Dongxu Optoelectronics Technology Co., Ltd., Hebei Guangxing Semiconductor Technology Co., Ltd., Hunan Shaohong Special Glass Co., Ltd.
Co., Ltd., China National Building Material Glass New Materials Research Institute Group Co., Ltd., Shijiazhuang Xuxin Optoelectronics Technology Co., Ltd., Gansu Xusheng Display Technology Co., Ltd.
Xinjiang Tengyu Optoelectronics Technology Co., Ltd., Qingdao Fusion Optoelectronics Technology Co., Ltd., Chenguang (Changzhou) New Materials Technology Co., Ltd., Yunying Valley
Technology Co., Ltd., Zhejiang Xingke Optoelectronics Technology Co., Ltd., and Zhejiang Chuangrou Display Technology Co., Ltd.
The main drafters of this document are. Chen Xiaoning, Yang Guohong, Wu Yiran, Li Qing, Zhao Junsha, Li Miao, Cao Zhiqiang, Wu Xiaoxi, Cao Kewei, Jin Liangmao,
Hu Hengguang, Xu Lihua, Shen Yuguo, Zhu Mingliu, Shi Zhiqiang, Zhang Yujiao, Shi Zeyuan, Yang Rong, Zhang Baoshuai, Li Heran, Li Zhen, Zheng Quan, Zhan Nan, Cao Xin,
Gao Yu, Xue Xinjian, Li Jingbo, Liu Zhengmao, He Huaisheng, Su Jihua, Shi Lifen, Liu Jun, Jiang Zhiwen, Wang Shilan, Li Ruijiao, Wang Kun, Yan Dongcheng,
Liu Wenyuan, Li Zhijun, Wei Zeguang, Cui Jiedong, Zhao Fengyang, Wang Xiaoliang, Gu Jing, Si Yanyang, Luo Kang, and Zhou Gang.
The previous versions of this document and the documents it replaces are as follows.
---First published in.2016 as GB/T 32647-2016;
--- This is the first revision and incorporates GB/T 32640-2016, GB/T 32641-2016, and GB/T 32645-2016.
content.
Specifications for Flat Panel Display Substrate Glass
1 Scope
This document defines the terms and definitions of flat panel display substrate glass, and specifies the requirements, inspection rules, marking, certification, product description
The book, packaging, transportation and storage, describes the corresponding test methods.
This document applies to the design, production, research and development, testing and use of flat panel display substrate glass.
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 Chemical analysis methods for fiberglass
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 32639-2016 Terminology for Flat Panel Display Substrate Glass
GB/T 32644 Test method for chemical durability of flat panel display substrate glass
GB/T 32646 Specification for packaging of glass substrates for flat panel displays
GB/T 45505.1-2025 Test methods for flat panel display substrate glass Part 1.Appearance and geometric dimensions
GB/T 45505.2-2025 Test methods for flat panel display substrate glass Part 2.Surface properties
GB/T 45505.3-2025 Test methods for flat panel display substrate glass Part 3.Thermal properties
GB/T 45505.4-2025 Test methods for flat panel display substrate glass Part 4.Mechanical properties
GB/T 45505.5-2025 Test methods for flat panel display substrate glass Part 5.Photoelectric properties
3 Terms and Definitions
The terms and definitions defined in GB/T 32639-2016 and the following apply to this document.
3.1
orientationcorner
Azimuth
It is used to determine the bevel angle of the substrate glass working surface and the specific specifications of the conveying direction.
3.2
Working surface patternside
Glass surface used to make thin film transistors or color filter layers.
[Source. GB/T 32639-2016, 2.2.15, modified]
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