GB/T 2290-2012 English PDF

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GB/T 2290-2012: Coal tar pitch
Status: Valid

GB/T 2290: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 2290-2012	149	Add to Cart	2 days	Coal tar pitch	Valid
GB/T 2290-1994	199	Add to Cart	2 days	Coal tar pitch	Obsolete
GB 2290-1980	199	Add to Cart	2 days	Coal tar pitch	Obsolete

Similar standards

GB/T 18255   GB/T 1816   GB/T 2293   GB/T 2282   GB/T 2283   

Basic data

Standard ID: GB/T 2290-2012 (GB/T2290-2012)
Description (Translated English): Coal tar pitch
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G18
Classification of International Standard: 71.080.99
Word Count Estimation: 5,511
Older Standard (superseded by this standard): GB/T 2290-1994
Quoted Standard: GB/T 2000; GB/T 2288; GB/T 2291; GB/T 2292; GB/T 2293; GB/T 2294-1997; GB/T 2295; GB/T 8170; GB/T 8727
Regulation (derived from): National Standards Bulletin No. 28 of 2012
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 technical requirements of coal tar, test methods, inspection rules, marking, packaging, transport, storage and quality certificates. This standard applies to high temperature coal tar obtained by the processing temperature, med

GB/T 2290-2012: Coal tar pitch

---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.
ICS71.080.99 G18 National Standards of People's Republic of China Replacing GB/T 2290-1994 Coal tar pitch Coaltarpitch Issued on. 2013-06-01 2012-11-05 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard rule according to GB/T 1.1-2009 given draft. This standard replaces GB/T 2290-1994 "coal tar." This standard compared with GB/T 2290-1994, the main changes are as follows. --- Increasing the foreword, normative references; --- Increased temperature asphalt coking value index; --- Increasing the high-temperature asphalt No. 1 Variety and indicators; --- Increasing the numerical rounding rules content; --- Removed the volatile index; --- Remove the Notes to Table "floor temperature pitch ash No. 2 allows less than 1%." The standard proposed by China Iron and Steel Association. This standard by the National Standardization Technical Committee Coking Coal Chemical Chemical Technical Committee (SAC/TC469/SC3) centralized. This standard was drafted. Angang Steel Company Limited, Metallurgical Industry Information Standards Institute. The main drafters of this standard. off Yongyi, Zhang Mingming, Sun Wei, Yu Mei Chun, Wang Lihong, Wang Xiaonan. This standard replaces the standards previously issued as follows. --- GB/T 2290-1994. Coal tar pitch

1 Scope

This standard specifies the technical requirements of coal tar, test methods, inspection rules, marking, packaging, transportation, storage and quality certificate. This standard applies to high-temperature coal tar obtained by processing low-temperature, medium temperature and high temperature coal tar pitch.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated edition applies to this article Member. For undated references, the latest edition (including any amendments) applies to this document. GB/T 2000 coking solid products sampling methods GB/T 2288 coking products Determination of moisture content GB/T 2291 coal tar preparation laboratory samples Determination of GB/T 2292 product coking toluene insolubles content GB/T 2293 coking bitumen products quinoline insolubles test methods GB/T 2294-1997 coke solid products Determination of softening point GB/T 2295 coking solid products Determination of ash GB/T 8170 represents rounding off rules and limit values \u200b\u200band judgment GB/T 8727 Determination of coal tar products of coking value

3 Technical requirements

Technical requirements for bituminous coal should meet the requirements of Table 1. Table 1 Index Name Low-temperature asphalt asphalt high-temperature asphalt Softening point/℃ 35 ~ 45 46 ~ 75 80 ~ 90 75 ~ 95 95 ~ 100 95 ~ 120 Toluene insoluble content /% - - 15 ~ 25 ≤25 ≥24 - Ash /% - - ≤0.3 ≤0.5 ≤0.3 - Moisture /% - - ≤5.0 ≤5.0 ≤4.0 ≤5.0 Quinoline insolubles /% - - ≤10 - - - Coking value /% - - ≥45 - ≥52 - Note 1. The water-only production operations control targets, not for quality assessment basis. Note 2. Asphalt quinoline insoluble content was measured at least once a month. Test Method 4 4.1 Determination of the softening point according to GB/T 2294-1997 provisions for arbitration in accordance with the procedure A global law when a dispute arises. ......

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