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GB/T 4737-2020: Test method for osmosis of daily-use pottery
Status: Valid GB/T 4737: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 4737-2020 | English | 99 |
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3 days [Need to translate]
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Test method for osmosis of daily-use pottery
| Valid |
GB/T 4737-2020
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| GB/T 4737-1984 | English | 199 |
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2 days [Need to translate]
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Standard test method for permeability water of pottery ware of daily use
| Obsolete |
GB/T 4737-1984
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PDF similar to GB/T 4737-2020
Basic data | Standard ID | GB/T 4737-2020 (GB/T4737-2020) | | Description (Translated English) | Test method for osmosis of daily-use pottery | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | Y24 | | Classification of International Standard | 81.060.20 | | Word Count Estimation | 5,545 | | Date of Issue | 2020-12-14 | | Date of Implementation | 2021-07-01 | | Older Standard (superseded by this standard) | GB/T 4737-1984 | | Quoted Standard | GB/T 3303; GB/T 5000; GB/T 6682 | | Regulation (derived from) | National Standard Announcement No. 28 of 2020 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | | Summary | This standard specifies the principles, equipment and utensils, sample preparation, test procedures, result expression and test report of the test method for permeability determination of daily pottery. This standard applies to the determination of the permeability of pottery products for daily use. Other types of pottery products can be implemented with reference to this standard. | GB/T 4737-2020: Test method for osmosis of daily-use pottery---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 permeability of daily pottery)
ICS 81:060:20
Y24
National Standards of People's Republic of China
Replace GB/T 4737-1984
Test method for permeability of daily pottery
2020-12-14 release
2021-07-01 implementation
State Administration for Market Regulation
Issued by the National Standardization Management Committee
Foreword
This standard was drafted in accordance with the rules given in GB/T 1:1-2009:
This standard replaces GB/T 4737-1984 "Method for Determination of Permeability of Daily Pottery": Compared with GB/T 4737-1984, this standard
The main technical changes are as follows:
--- Added normative reference documents (see Chapter 2);
---Added equipment and utensils (see 5:1, 5:4, 5:7, 5:8);
---Modified sample preparation (see Chapter 6, Chapter 3 of the 1984 edition);
---Modified the test procedure (see Chapter 7, Chapter 4 of the 1984 edition);
--- Modified the result display (see Chapter 8, Chapter 5 of the 1984 edition);
---Modified the test report (see Chapter 9, Table 2 of the 1984 edition):
This standard was proposed by the China National Light Industry Council:
This standard is under the jurisdiction of the National Daily Ceramic Standardization Technical Committee (SAC/TC405):
Drafting organizations of this standard: Jiangsu Tianyu Ceramics and Refractory Testing Co:, Ltd:, Yixing Customs of the People's Republic of China, Yixing Yi Workshop
Zisha Clay Research Institute Co:, Ltd:, Guangdong Bolin Ceramic Industry Co:, Ltd:, National Ceramic Product Quality Supervision and Inspection Center (Jiangxi), Fujian
Provincial Jiamei Group Company, Guangdong Jinqiangyi Ceramics Industrial Co:, Ltd:, Fujian Dehua County Jinfu Ceramics Co:, Ltd:, Dapu County Yifengyuan Industrial
Co:, Ltd:, Shaanxi University of Science and Technology:
The main drafters of this standard: Yang Yongliang, Wu Yuanzhi, Weng Zhongliang, He Dongqiang, Lin Qiujie, Dai Yapeng, Huang Shifu, Lin Yiqiang, Wu Xuewen,
Dai Chunmei, Liu Maochun, Wang Ying:
The previous versions of the standard replaced by this standard are as follows:
---GB/T 4737-1984:
Test method for permeability of daily pottery
1 Scope
This standard specifies the principles, equipment and utensils, sample preparation, test procedures, result expression and test methods for determining the permeability of daily pottery:
experiment report:
This standard applies to the determination of the permeability of daily pottery products: Other types of pottery products can be implemented with reference to this standard:
2 Normative references
The following documents are indispensable for the application of this document: For dated reference documents, only the dated version applies to this article
Pieces: For undated references, the latest version (including all amendments) applies to this document:
GB/T 3303 Terminology for defects of household ceramics
GB/T 5000 Terminology of Daily Ceramics
GB/T 6682 Analytical laboratory water specifications and test methods
3 Terms and definitions
The terms and definitions defined in GB/T 3303 and GB/T 5000 apply to this document:
4 Principle
Permeability is characterized by the initial time for the sample to penetrate water under water pressure:
5 Equipment and utensils
5:1 Drilling sampling machine: equipped with Φ50mm, Φ25mm diamond sampling bit:
5:2 Surface grinder or surface grinder:
5:3 Electric heating drying oven: working temperature (110±5)℃:
5:4 Permeameter: The schematic diagram of the measuring device is shown in Figure 1: The highest test water pressure is 1:0MPa, the accuracy is 1%, and the water outlet aperture of the measuring head is Φ5mm:
Φ50mm, Φ25mm cylinder (or piece) sample holder:
5:5 Vernier caliper: accuracy of 0:02mm:
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