GB/T 37592-2019 English PDF

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GB/T 37592-2019: Carbonaceous mesophase spheres
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 37592-2019	139	Add to Cart	3 days	Carbonaceous mesophase spheres	Valid

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Basic data

Standard ID: GB/T 37592-2019 (GB/T37592-2019)
Description (Translated English): Carbonaceous mesophase spheres
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: Q53
Classification of International Standard: 29.050
Word Count Estimation: 7,755
Date of Issue: 2019-06-04
Date of Implementation: 2020-05-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 37592-2019: Carbonaceous mesophase spheres

---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.
Carbonaceous mesophase spheres ICS 29.050 Q53 National Standards of People's Republic of China Mesocarbon microspheres 2019-06-04 released 2020-05-01 Implementation State Administration for Market Regulation Issued by China National Standardization Administration

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard was proposed by the China Iron and Steel Association. This standard is under the jurisdiction of the National Steel Standardization Technical Committee (SAC/TC183). Drafting organizations of this standard. Shanghai Shanshan Technology Co., Ltd., Shenzhen Snow Industrial Development Co., Ltd., Baoshun Technology Co., Ltd. Company, Anshan Xingde Material Technology Co., Ltd., Anshan Iron and Steel Co., Ltd., Metallurgical Industry Information Standard Research Institute. The main drafters of this standard. Qiao Yongmin, Li Nianmin, Ding Xiaoyang, Wu Zhihong, Jiang Ninglin, Zheng Jingxu, Bao Haiyou, Li Yucai, Yu Jie, Zhu Xingjian, Zhang Dakui, Zhang Zhan. Mesocarbon microspheres

1 Scope

This standard specifies the specifications, technical requirements, test methods, inspection rules, packaging, marking, transportation and storage of mesocarbon microspheres. This standard applies to mesophase carbon microspheres used as anode materials for lithium-ion batteries, and other carbon products such as isostatic graphite can also be used as a reference.

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 1427 Sampling method for carbon materials GB/T 1429 Method for determination of ash content of carbon materials GB/T 2293 Test method for quinoline insoluble matter of coking pitch products GB/T 8170 Numerical rounding rules and the expression and determination of limit values GB/T 19077 Particle size distribution laser diffraction method YB/T 5189 Determination of Volatile Content of Carbon Materials

3 specifications

Mesocarbon microspheres are mainly divided into five specifications. G10, G15, G25, G30, G40.

4 Technical requirements

4.1 Appearance The mesocarbon microspheres are black and powdery, and there is no visible sand and metal particles. 4.2 Performance Index The performance indicators of mesocarbon microspheres should meet the requirements of Table 1. Table 1 Performance Index project index G10 G15 G25 G30 G40 Particle size D50/μm 10.0~13.0 13.0~20.0 20.0~27.0 27.0~35.0 35.0~42.0 Volatile content/% ≤12.0 Ash/% ≤0.50 Toluene insoluble matter/% ≥95.0 Quinoline insoluble matter/% ≥95.0 ......

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