GB/T 1966-2024 English PDFUS$199.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 1966-2024: Porous ceramics - Determination of apparent porosity and bulk density Status: Valid GB/T 1966: Historical versions
Basic dataStandard ID: GB/T 1966-2024 (GB/T1966-2024)Description (Translated English): Porous ceramics - Determination of apparent porosity and bulk density Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: Q30 Classification of International Standard: 81.060.30 Word Count Estimation: 10,120 Date of Issue: 2024-07-24 Date of Implementation: 2025-02-01 Older Standard (superseded by this standard): GB/T 1966-1996 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 1966-2024: Porous ceramics - Determination of apparent porosity and bulk density---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.Porous ceramics - Determination of apparent porosity and bulk density Determination of apparent porosity and bulk density of porous ceramics ICS 81.060.30 CCS Q30 National Standard of the People's Republic of China Replace GB/T 1966-1996 Released on 2024-07-24 2025-02-01 Implementation State Administration for Market Regulation The National Standardization Administration issued ForewordThis 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 1966-1996 "Test method for apparent porosity and bulk density of porous ceramics" and is consistent with GB/T 1966-1996. In addition to structural adjustments and editorial changes, the main technical changes are as follows. Added the terms and definitions of porous ceramics (see 3.1); - The accuracy of the test weighing device has been changed (see 4.2, Chapter 1 of the.1996 edition); - The sample preparation requirements have been changed (see 5.1, Chapter 6 and Chapter 7 of the.1996 edition); - The requirements for sample status have been changed (see 5.1, Chapter 8, Chapter 9, and Chapter 10 of the.1996 edition); - The number of test samples has been changed (see 5.3, Chapter 4 of the.1996 edition); - Added test conditions (see 6.1); - The test vacuum degree, evacuation time, and pressure holding time of the vacuum method have been changed, and the vacuum degree has been changed from "less than 10 mmHg" to "less than 2500 Pa”, the suction time was changed from “ten minutes” to “15 min”, and the pressure holding time was changed from “when no bubbles appear” "Can be stopped" is changed to "Evacuate for 30 min" (see 6.3.2, Chapter 12 of the.1996 edition); Added the preparation of soaked towels (see 6.5); - Added the determination of immersion liquid density (see 6.7); - Changed test report requirements (see Chapter 8, Chapter 7 of the.1996 edition). - 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 Technical Committee for Standardization of Industrial Ceramics (SAC/TC 194). This document was drafted by. Shandong Industrial Ceramics Research and Design Institute Co., Ltd., Sinoma High-tech Materials Co., Ltd., Jiangxi Industrial Ceramics Institute Fine Ceramics Co., Ltd., Shandong Sinoceramic Functional Materials Co., Ltd., Xi'an Xinyao Ceramic Composite Materials Co., Ltd., Dongfang Electric Group Tuandongfang Steam Turbine Co., Ltd., Guangzhou Hongri Gas Appliance Co., Ltd., Guangdong Advanced Ceramic Materials Technology Co., Ltd., Zibo Traditional Products Industry Development Center, Zhejiang Tianxingjian Water Co., Ltd., Henan Chemical Industry Research Institute Co., Ltd., and Hefei Suisike Technology Co., Ltd. The main drafters of this document are. Zhao Shikai, Zhang Jiumei, Tang Yudong, Luan Qiang, Zhang Dajun, Liu Yanchun, Song Tao, Zhang Yan, Chen Changzhu, Zhang Xi, Li Xiaoyong, Li Jie, Wang Kaiyu, Zhou Ming, Wang Zenghui, Sun Jizan, Huo Erfu, Wang Wei, Jie Zhiyuan, Li Dingjun, Qiu Jihua, Luo Weizhi, Ning Xiaoliang, Li Wenjie, Geng Shuwen, Song Hao, Feng Na. This document was first issued in 1980, revised for the first time in.1996, and this is the second revision. Determination of apparent porosity and bulk density of porous ceramics1 ScopeThis document describes test methods for determining the apparent porosity and bulk density of porous ceramics. This document is applicable to the determination of apparent porosity and bulk density of porous ceramic products.2 Normative referencesThe 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. in this document. GB/T 8170 Rules for rounding off values and expression and determination of limit values GB/T 17991 Terminology of Fine Ceramics GB/T 22230 Determination of density of industrial liquid chemicals at 20°C GB/T 29862 Labelling of fibre content of textiles3 Terms and definitionsThe terms and definitions defined in GB/T 17991 and the following apply to this document. 3.1 Porous ceramics Ceramic materials with pore diameters of 0.05 μm to 100 μm and apparent porosity of 25% to 90%. [Source. GB/T 17991-2009, 2.1.36, modified] 3.2 Bulk density The dry mass of a sample per unit volume. Note. Expressed in grams per cubic centimeter (g/cm3). [Source. GB/T 17991-2009, 2.3.2, modified] 3.3 Apparent porosity The percentage of the volume of open pores in the sample (pores that are connected to the atmosphere) to the total volume of the sample. Note. Indicated by percentage sign (%). 4.Instruments, Equipment and Materials 4.1 Drying oven A drying oven capable of controlling the temperature at 110°C ± 5°C. 4.2 Weighing device Weighing device with an accuracy of 0.001 g. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 1966-2024_English be delivered?Answer: Upon your order, we will start to translate GB/T 1966-2024_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of GB/T 1966-2024_English with my colleagues?Answer: Yes. 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