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XB/T 505-2011: Substrate of catalyst for gasoline vehicle emission purification
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| XB/T 505-2011 | English | 389 |
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Substrate of catalyst for gasoline vehicle emission purification
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XB/T 505-2011
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Basic data | Standard ID | XB/T 505-2011 (XB/T505-2011) | | Description (Translated English) | Substrate of catalyst for gasoline vehicle emission purification | | Sector / Industry | Rare Earth Metal Industry Standard (Recommended) | | Classification of Chinese Standard | H65 | | Classification of International Standard | 71.100.40 | | Word Count Estimation | 11,13 | | Date of Issue | 2011-12-20 | | Date of Implementation | 2012-07-01 | | Older Standard (superseded by this standard) | XB/T 505-2003 | | Quoted Standard | GB/T 1964; GB/T 2997; GB/T 7320.2; JC/T 686; QB/T 2578; YB/T 370 | | Regulation (derived from) | Ministry of Industry and Information Technology Announcement No. 43 of 2011; Industry Standard Recording Announcement No. 9 of 2012 (Total No. 153); Ministry of Industry and Information Technology Announcement No. 23 of 2017 | | Issuing agency(ies) | Ministry of Industry and Information Technology | | Summary | This standard specifies the requirements, test methods, inspection rules and markings, packaging, transportation, storage, and quality certificates for catalyst carriers for gasoline vehicle exhaust purification. This standard applies to the honeycomb ceramic carrier based on cordierite material. | XB/T 505-2011: Substrate of catalyst for gasoline vehicle emission purification---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.
Substrate of catalyst for gasoline vehicle emission purification
H65
Rare Earth Industry Standard of the People's Republic of China
Replace XB/T 505-2003
Gasoline vehicle exhaust purification catalyst carrier
2011-12-20 released
2012-07-01 implementation
Issued by the Ministry of Industry and Information Technology of the People's Republic of China
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard replaces XB/T 505-2003 "Catalyst Carrier for Gasoline Vehicle Exhaust Purification".
Compared with XB/T 505-2003, the main technical changes of this standard are as follows.
---The classification of products has been adjusted accordingly;
---Added the definition and requirements of plugging rate;
---The definition and requirements of pressure difference have been added;
---Adjusted the size deviation range of the catalyst carrier;
---Adjusted the requirements for water absorption and water absorption deviation in the physical and chemical indicators of the catalyst carrier.
This standard is under the jurisdiction of the National Rare Earth Standardization Technical Committee (SAC/TC229).
Drafting organizations of this standard. Kunming Guiyan Catalyst Co., Ltd., China Nonferrous Metals Industry Standard Metrology and Quality Research Institute.
The main drafters of this standard. Wu Legang, Lu Jun, Ji Yongbo, Yang Dongxia, Gao Lan, Wang Xianghong, Zhang Aimin, Zhao Wanchun, Wang Huoyin, Wang Shuying.
The previous versions of the standard replaced by this standard are as follows.
---XB/T 505-2003.
Gasoline vehicle exhaust purification catalyst carrier
1 Scope
This standard specifies the requirements, test methods, inspection rules and markings, packaging, transportation, storage, quality
Certificate of Quantity.
This standard applies to the honeycomb ceramic carrier based on cordierite material (hereinafter referred to as the carrier).
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 1964 Compressive strength test method of porous ceramics
GB/T 2997 Test method for bulk density, apparent porosity and true porosity of dense shaped refractory products
GB/T 7320.2 Test method for thermal expansion of refractories by telescope method
JC/T 686 Honeycomb ceramic
QB/T 2578 Method for photometric analysis of chemical composition of ceramic raw materials
YB/T 370 Test method for load softening temperature of refractory products
3 Terms and definitions
The following terms and definitions defined in JC/T 686 apply to this document.
3.1
Hole density
The number of pores on the cross-sectional area of the catalyst cordierite honeycomb ceramic carrier (25.4mm)2, the unit is mesh.
Note. The mesh refers to the number of holes per unit area of the carrier, that is, the number of holes per square inch of the end of the carrier, that is, the number of holes/inch2, which is a customary usage in the carrier industry, and the unit is
Reserved. Taking into account that the standard should be in international units, (25.4mm)2 represents inch2.
Volume density
The mass per unit volume (including pores) of the cordierite honeycomb ceramic carrier of the catalyst, in grams per cubic meter (g/m3).
3.2
Hole wall defect holewaldefect
The through defects of several adjacent channels on the catalyst cordierite honeycomb ceramic carrier.
3.3
Thermal shock resistance thermal shock resistance
The resistance of the catalyst cordierite honeycomb ceramic carrier to damage caused by rapid temperature changes, in degrees Celsius (℃).
3.4
Axial
The direction perpendicular to one side of the square grid or the diagonal of the square grid.
Note. A-axis direction. the direction perpendicular to one side of the square hole grid, with the largest force; B-axis direction. the direction perpendicular to one side of the square hole grid, with the second largest force; C-axis side
Direction. The diagonal direction of the square grid.
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