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GB/T 37041-2018 English PDF

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GB/T 37041-2018: Fine barite powder
Status: Valid
Standard IDUSDBUY PDFLead-DaysStandard Title (Description)Status
GB/T 37041-2018279 Add to Cart 3 days Fine barite powder Valid

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Basic data

Standard ID: GB/T 37041-2018 (GB/T37041-2018)
Description (Translated English): Fine barite powder
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: Q69
Classification of International Standard: 73.080
Word Count Estimation: 14,150
Date of Issue: 2018-12-28
Date of Implementation: 2019-11-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 37041-2018: Fine barite powder

---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.
Fine barite powder ICS 73.080 Q69 National Standards of People's Republic of China Fine barite powder Published on.2018-12-28 2019-11-01 implementation State market supervision and administration China National Standardization Administration issued

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard was proposed by the China Building Materials Federation. This standard is under the jurisdiction of the National Non-metallic Mineral Products and Products Standardization Technical Committee (SAC/TC406). This standard was drafted. Shanyang Aoke Powder Co., Ltd., Hubei Tiangongwu New Material Technology Co., Ltd., Zhejiang Kama Friction Material Materials Co., Ltd., Xianyang Non-Metallic Mineral Research and Design Institute Co., Ltd., Foshan Shunde District Quality and Technical Supervision Standards and Coding Institute, Country Non-metallic mineral products quality supervision and inspection center. The main drafters of this standard. Si Yuhua, Zhang Shishuang, Tan Qiao, Xu Changcheng, Liu Qiang, Ouyang Dan, Zhu Meng, Duan Yaping. Fine barite powder

1 Scope

This standard specifies the terms and definitions, requirements, test methods, inspection rules, and marking, packaging, transportation and storage of fine barite powder. This standard applies to fine barite powder for materials such as paints, plastics, rubber, paints and inks.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 5950 Whitening method for building materials and non-metallic mineral products GB/T 6003.1 Test sieves - Technical requirements and testing - Part 1 GB/T 6682 Analytical laboratory water specifications and test methods GB/T 8170 Numerical Rounding Rules and Representation and Determination of Limit Values GB/T 17749-2008 Whiteness representation GB/T 19077 Particle Size Analysis Laser Diffraction Method

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Using natural barite as raw material, the content of barium sulfate produced by pulverization and processing is greater than or equal to 94% and the particle size is less than 45μm. Spar powder.

4 requirements

4.1 Appearance White, off-white or light yellow powder. 4.2 Physical and chemical properties The physical and chemical properties of fine barite powder should meet the requirements of Table 1. Table 1 Physical and chemical properties of fine barite powder Project indicator Barium sulfate content /% ≥94.0 Total iron (calculated as ferric oxide) content /% ≤0.10 105 ° C volatile content /% ≤ 0.50
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