GB/T 23454-2025 English PDF

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GB/T 23454-2025: Stone plate for vanity and countertop and windowsill
Status: Valid

GB/T 23454: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 23454-2025	379	Add to Cart	4 days	Stone plate for vanity and countertop and windowsill	Valid
GB/T 23454-2009	229	Add to Cart	3 days	Natural stone vanity top	Valid

Similar standards

GB/T 11982.1   JC/T 908   JC/T 973   GB/T 23453   GB/T 23452   

Basic data

Standard ID: GB/T 23454-2025 (GB/T23454-2025)
Description (Translated English): Stone plate for vanity and countertop and windowsill
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: Q21
Classification of International Standard: 91.100.15
Word Count Estimation: 18,189
Date of Issue: 2025-04-25
Date of Implementation: 2025-11-01
Older Standard (superseded by this standard): GB/T 23454-2009
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 23454-2025: Stone plate for vanity and countertop and windowsill

---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 91.100.15 CCSQ21 National Standard of the People's Republic of China Replaces GB/T 23454-2009 Stone countertops Released on 2025-04-25 2025-11-01 Implementation State Administration for Market Regulation The National Standardization Administration issued

Foreword

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 23454-2009 "Natural stone countertops for bathrooms". Compared with GB/T 23454-2009, except for the structure In addition to adjustments and editorial changes, the main technical changes are as follows. a) The scope of application has been changed (see Chapter 1, Chapter 1 of the.2009 edition); b) Added the material classification of granite countertops and quartz countertops (see 4.2.1); c) Added classification by purpose (see 4.2.2); d) Added the schematic diagram of window sill processing (see 5.1.1); e) Added requirements for the back screen of the table top (see 5.1.2); f) Added requirements for table top protection (see 5.1.3); g) The deviation indicators of length, width and thickness of general countertops have been changed (see 5.2.1, 5.2.1 of the.2009 edition); h) Changed the requirements for front appearance defects (see 5.5.2, 5.5.2 of the.2009 edition); i) The requirements for the mirror gloss of granite countertops have been changed (see 5.6.1, 5.6.1 of the.2009 edition); j) Added mirror gloss requirements for other stone, granite and quartz countertops (see 5.6.3); k) Changed the technical index requirements for countertop material performance, and added the material performance requirements for resin and inorganic granite and quartz countertops. Energy requirements (see 5.7.1, 5.7 of the.2009 edition); l) Added application performance requirements and test methods for countertop products (see 5.7.2 and 6.6.4~6.6.9); m) Added the anti-mildew and anti-bacterial and safety requirements for countertop products with anti-mildew and anti-bacterial functions (see 5.7.3); n) The schematic diagram for measuring the thickness of the countertop has been changed (see 6.1.1, 6.1.1 of the.2009 edition); o) The flatness measurement method has been changed (see 6.2, 6.2 of the.2009 edition); p) The test methods for bulk density, water absorption and flexural strength have been changed (see 6.6.1 and 6.6.2, 6.6.1 and 6.6.2 of the.2009 edition); q) Added the table of type inspection and factory inspection items (see 7.1). 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 Building Materials Federation. This document is under the jurisdiction of the National Stone Standardization Technical Committee (SAC/TC460). This document was drafted by. Sinoma Artificial Crystal Research Institute Co., Ltd., Jinjiang Huabao Stone Industry Co., Ltd., Jinjiang Hualin Stone Industry Co., Ltd., Quanzhou Delaipin Stone Chemical Co., Ltd., Global Marble (Fujian) Co., Ltd., Guangxi Lisheng Stone Co., Ltd., Zhongdi Ya Innovation Technology Co., Ltd., Yunfu Oupaly New Materials Technology Co., Ltd. The main drafters of this document are. Lin Huoyan, Zhou Junxing, Xu Wanfen, Lin Qingjie, Zhang Lihong, Cai Yingwei, Hu Yuzhong, Luo Yanglin, Li Zhenjiang, Gong Chengjing. This document was first published in.2009 and this is the first revision. Stone countertops

1 Scope

This document specifies the naming, product classification and labeling, technical requirements, test methods, inspection rules, and marking, packaging, and other aspects of stone countertops. Packaging, transportation and storage. This document applies to all types of countertops made from natural and synthetic stone.

2 Normative references

The 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 191 Pictorial markings for packaging, storage and transportation GB 6566-2010 Limits of radionuclides in building materials GB/T 9966.2 Test methods for natural stone - Part 2.Flexural strength test after drying, water saturation and freeze-thaw cycles GB/T 9966.3 Test methods for natural stone - Part 3.Water absorption, bulk density, true density and true porosity test GB/T 9966.11 Test methods for natural stone - Part 11.Determination of accelerated aging strength by chilling and heating GB/T 9966.14 Test methods for natural stone - Part 14.Determination of fracture resistance energy GB/T 13890 Terminology of Natural Stone GB/T 13891 Determination of specular gloss of building finishing materials GB/T 17670 Unified numbering system for natural stone GB/T 24264 Adhesives for facing stone GB/T 32837 Natural stone protective agent GB/T 35157 Resin-based synthetic stone slabs GB/T 35160.1 Test methods for synthetic stone - Part 1.Determination of density and water absorption GB/T 35160.2 Test methods for synthetic stone Part 2.Determination of flexural strength GB/T 35160.5 Test methods for synthetic stone - Part 5.Determination of thermal shock properties GB/T 35160.6 Test methods for synthetic stone - Part 6.Determination of impact resistance GB/T 35165 Terminology and classification of synthetic stone

3 Terms and definitions

The terms and definitions defined in GB/T 13890 and GB/T 35165 apply to this document. 4 Naming, product classification and labeling 4.1 Naming The naming consists of the material name and purpose. Marble, granite and other stone materials should use the stone names specified in GB/T 17670 or The company or trademark name can be added in front of the granite and quartz stone. ......

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Question 5: Should I purchase the latest version GB/T 23454-2025?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 23454-2025 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.