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GB/T 25994-2010: Honeycomb ceramics
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| GB/T 25994-2010 | English | 349 |
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Honeycomb ceramics
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GB/T 25994-2010
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Basic data | Standard ID | GB/T 25994-2010 (GB/T25994-2010) | | Description (Translated English) | Honeycomb ceramics | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | Q32 | | Classification of International Standard | 81.060.30 | | Word Count Estimation | 15,185 | | Date of Issue | 1/10/2011 | | Date of Implementation | 10/1/2011 | | Quoted Standard | GB/T 1964; GB/T 3810.3-2006; GB/T 16535; GB/T 21650.1, | | Regulation (derived from) | Announcement of Newly Approved National Standards 2011 No. (No. 166 overall) 1 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This Standard specifies the terms and definitions honeycomb ceramic products, classification marking, technical requirements, test methods, inspection rules, marking, packaging and storage, etc. This Standard is applicable to automobile exhaust purification ceramic honeycomb catalyst carrier, ceramic honeycomb for other purposes can also be implemented by reference. | GB/T 25994-2010: Honeycomb ceramics---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.
Honeycomb ceramics
ICS 81.060.30
Q32
National Standards of People's Republic of China
Honeycomb Ceramic
Issued on. 2011-01-10
2011-10-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Table of Contents
Preface Ⅰ
1 Scope 1
2 Normative references 1
3 Terms and definitions
4 classification, marking 1
5 2 Technical Requirements
6 Test Method 4
7 Inspection rules 5
8 signs, packaging, transportation and storage 6
Measurement Appendix A (normative) product appearance quality and size deviation of 7
Appendix B (normative) isostatic strength test 10
Annex C (normative) Test method for thermal shock resistance 11
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
The standard proposed by China Building Materials Federation.
This standard by the National Ceramic Industry Standardization Technical Committee (SAC/TC194) centralized.
Drafting of this standard. Shanghai Institute of Ceramics, Chinese Academy of Sciences, Jiangsu Gaochun Ceramics Co., Ltd., Jiangxi three-membered ring
Paul Ceramics Co., Ltd., Jingdezhen Jia Yi New Materials Co., Ltd. Guangzhou Red Sun Appliance.
The main drafters of this standard. Ruo nails, Li Qin, Zhou Liwei, Chen stressed Di, Chen Dabo, Gu Chang Jun, Wang Jianzhong, Liu Yanchun, red safety seats,
Zhang Zhou, Chen Lei, Wu Guoqiang.
Honeycomb Ceramic
1 Scope
This standard specifies the terms and definitions honeycomb ceramic products, classification marks, technical requirements, test methods, inspection rules, marking, packaging and
Storage and transportation.
This standard is mainly used in automobile exhaust purification ceramic honeycomb catalyst carrier, ceramic honeycomb for other purposes can also be implemented by reference.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
Strength test method GB/T 1964 porous ceramic compression
GB/T 3810.3-2006 Test methods of ceramic tiles - Part 3. water absorption, apparent porosity, apparent relative density and bulk density
Determine
GB/T 16535 Fine Ceramics linear thermal expansion coefficient Test Method jack method
GB/T 21650.1 mercury porosimetry and gas adsorption of solid materials the pore size distribution and porosity Part 1. Mercury
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1
Hole density celnumber
The number of pore distribution on the ceramic honeycomb per unit cross-sectional area, in units of the number of holes/cm2.
3.2
Softening temperature softeningtemperature
Honeycomb ceramic heating process its equilibrium temperature of the square hole initial deformation.
3.3
A-axis direction Aaxis
Ceramic honeycomb channel parallel direction.
3.4
B-axis direction Baxis
Ceramic honeycomb channel perpendicular and parallel to the direction of the hole wall.
3.5
C-axis direction Caxis
Ceramic honeycomb and perpendicular to the cells and the cell walls of a 45 ° angle direction.
4 classification, marking
4.1 Categories
Products divided into three categories according to the cross-sectional shape, the shape shown in Figure 1.
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