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GB/T 3298-2022: Test method for resistance to thermal shock of domestic ceramic ware
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 3298-2022 | English | 139 |
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Test method for resistance to thermal shock of domestic ceramic ware
| Valid |
GB/T 3298-2022
|
| GB/T 3298-2008 | English | 199 |
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Standard test method for crazing resistance of domestic ceramic ware by a thermal shock method
| Obsolete |
GB/T 3298-2008
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| GB/T 3298-1991 | English | 199 |
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Standard test method for thermal shock resistance of domestic ceramic ware
| Obsolete |
GB/T 3298-1991
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Basic data | Standard ID | GB/T 3298-2022 (GB/T3298-2022) | | Description (Translated English) | Test method for resistance to thermal shock of domestic ceramic ware | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | Y24 | | Word Count Estimation | 6,641 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 3298-2022 ImageGB/T 3298-2022: Test method for resistance to thermal shock of domestic ceramic ware---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.
Test method for resistance to thermal shock of domestic ceramic ware
ICS 81.060.20
CCSY24
National Standards of People's Republic of China
Replacing GB/T 3298-2008
Determination method of thermal shock resistance of household ceramics
Published on 2022-04-15
2022-11-01 Implementation
State Administration for Market Regulation
Released by the National Standardization Administration
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 of Standardization Documents"
drafted.
This document replaces GB/T 3298-2008 "Determination of Thermal Shock Resistance of Household Ceramics". Compared with GB/T 3298-2008, except for the
In addition to structural adjustments and editorial changes, the main technical changes are as follows.
--- Changed the setting of the control temperature according to the requirements of thermal shock resistance (see 8.2.1, 5.2 of the.2008 edition);
--- Added incremental test method (see 8.3);
--- Added test data processing (see Chapter 9);
--- Changed the test report (see Chapter 10, Chapter 6 of the.2008 edition).
Please note that some content of this document may be patented. The issuing agency of this document assumes no responsibility for identifying patents.
This document is proposed by China National Light Industry Federation.
This document is under the jurisdiction of the National Standardization Technical Committee of Ceramics for Daily Use (SAC/TC405).
This document is drafted by. Jiangxi Provincial Ceramic Testing Center, Shenzhen National Ceramics Yongfengyuan Porcelain Industry Co., Ltd., Hejiang County Huayi Ceramics Co., Ltd.
Co., Ltd., Zibo Huaguang National Ceramics Technology and Culture Co., Ltd., Fujian Huaxia King Kong Technology Co., Ltd., Fujian Jiamei Group Corporation, Guangxi
Sanhuan Enterprise Group Co., Ltd., Guangdong Stone Group Co., Ltd., Chaozhou Huazhong Ceramics Industry Co., Ltd.
The main drafters of this document. Dai Yapeng, Xu Jian, Xiao Shuming, Li Xiaoliang, Lin Guiji, Su Chenyi, Yi Yuan, Wen Yuan, Cai Yize, Huang Zhifa.
The previous versions of this document and its superseded documents are as follows.
--- First published in 1983 as GB 3298-1982, first revised in.1991, second revised in.2008;
---This is the third revision.
Determination method of thermal shock resistance of household ceramics
1 Scope
This document describes a method for determining the thermal shock resistance of household ceramics by temperature change.
This document applies to household pottery and porcelain.
2 Normative references
The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations
documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to
this document.
GB/T 5000 Terminology of Ceramics for Daily Use
3 Terms and Definitions
Terms and definitions defined in GB/T 5000 apply to this document.
4 Principles
By accepting the rapid changes in the external temperature, the daily-use ceramics products are observed to see whether cracks or damages appear, and determine their
Thermal shock resistance.
5 Reagents or materials
5.1 Specimen basket or specimen holder.
5.2 Dyeing solution (such as ink, methylene blue solution, etc.), brush pen.
6 Instruments and equipment
6.1 Heating furnace. a heating furnace with a sufficient heating rate to ensure that the temperature rises to the test temperature within 15 minutes after the sample is placed, and the working area can be controlled.
The temperature difference is within ±5℃.
6.2 Flowing water tank. flowing water that can keep the temperature at 20°C±2°C, the mass ratio of water in the water tank to the sample is greater than 10.1, and the sample is put into water.
After the test, the water surface should be about 20mm higher than the sample, and the water temperature should not rise by more than 4°C.
7 samples
At least 5 samples shall be taken from the same production batch of products with the same specifications and shapes, and the samples shall be free of defects such as cracks and breakages.
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