GB/T 32698-2016 English PDF

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GB/T 32698-2016: Rubber compounding ingredients -- Determination of particle size distribution for silica, precipitated, hydrated -- Laser diffraction
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 32698-2016	159	Add to Cart	3 days	Rubber compounding ingredients -- Determination of particle size distribution for silica, precipitated, hydrated -- Laser diffraction	Valid

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Basic data

Standard ID: GB/T 32698-2016 (GB/T32698-2016)
Description (Translated English): Rubber compounding ingredients -- Determination of particle size distribution for silica, precipitated, hydrated -- Laser diffraction
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G49
Classification of International Standard: 83.040.20
Word Count Estimation: 8,850
Date of Issue: 2016-06-14
Date of Implementation: 2017-01-01
Quoted Standard: GB/T 6003.1; GB/T 8170; GB/T 15445.1; GB/T 19077.1; HG/T 3061
Regulation (derived from): National Standard Announcement No. 8 of 2016
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 a method of measuring the particle size distribution of precipitated hydrated softened silicon by laser diffraction. This standard applies to precipitated hydrated silica with rubber compounding agents. The particle size range is 0.1��m ~ 300��m.

GB/T 32698-2016: Rubber compounding ingredients -- Determination of particle size distribution for silica, precipitated, hydrated -- Laser diffraction

---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.
Rubber compounding ingredients - Determination of particle size distribution for silica, precipitated, hydrated - Laser diffraction ICS 83.040.20 G49 National Standards of People's Republic of China Rubber compounding agent precipitation hydrated silica particle size Distribution of the measured laser diffraction method Rubbercompoundingingredients-Determination ofparticlesize distributionforsilica, precipitated, hydrated-Laserdiffraction 2016-06-14 release 2017-01-01 Implementation General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China China National Standardization Management Committee released

Foreword

This standard is drafted in accordance with the rules given in GB/T 1.1-2009. This standard is proposed by the China Petroleum and Chemical Industry Association. This standard by the National Rubber and Rubber Products Standardization Technical Committee (SAC/TC35) centralized. The drafting of this standard unit. Shuangqian Group Co., Ltd., China Rubber Group Carbon Black Industry Research and Design Institute, made silicon Chemical Co., Ltd. Division, Tonghua Shuanglong Chemical Co., Ltd., Jinneng Technology Co., Ltd., Fujian Province Shaxian Jinsha White Carbon Manufacturing Co., Ltd., Longxing Co., Ltd., Zhuzhou Xinglong New Material Co., Ltd., Fujian Zhengsheng Inorganic Material Co., Ltd., Shandong Lianke White Carbon Limited company. The main drafters of this standard. Jiang Qi, Dong Wenwu, Deng Yi, Wang Yongqing, Bai Yingjie, Feng Jie, Fan Xi Zhou, Hou He Gang, Zhou Min, Wang Jianfeng, Wu Xiaoqiang. Rubber compounding agent precipitation hydrated silica particle size Distribution of the measured laser diffraction method WARNING. Personnel using this section should have practical experience in formal laboratory work. This section does not indicate all possible security issues. It is the responsibility of the user to take appropriate safety and health measures and to ensure compliance with the conditions set forth in the relevant national regulations.

1 Scope

This standard specifies the method of determining the particle size distribution of precipitated hydrated silica by laser diffraction. This standard applies to the rubber compound precipitation of hydrated silicon dioxide. The particle size ranges from 0.1 μm to 300 μm. Note. The laser model used to determine the particle size distribution of the optical model used to set the micro-shape of the sample spherical particles, so the non-spherical particles obtained Equivalent spherical particle size distribution. The results of the relevant particle size distribution may differ from those measured with other physical principles (eg sedimentation, sieve Division method).

2 normative reference documents

The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article Pieces. For undated references, the latest edition (including all modifications) applies to this document. GB/T 6003.1 Test sieve technical requirements and testing - Part 1. Wire mesh test screen Representation and Judgment of Numerical Correction Rule and Limit Value of GB/T 8170 GB/T 15445.1 Representation of particle size analysis results Part 1. Graphical representation Particle size analysis - Laser diffraction method - Part 1. General rules GB/T HG/T 3061 rubber compound precipitation of hydrated silicon dioxide

3 terms and definitions

GB/T 19077.1 Definitions and the following terms and definitions apply to this document. 3.1 Precipitated hydrated silica silica, precipitated, hydrated A material derived from the aqueous solution of soluble silicate and present in the form of amorphous particles. 3.2 Opacity obscuration The ratio of the cross-sectional area of the incident (excited) beam blocked by the measured sample particles to the total cross-sectional area of the incident (excited) beam. 3.3 Volume distribution volumedistribution Particle size distribution based on particle volume. It is expressed as a percentage of the total particle volume of the particles in a given grain. 3.4 10% diameter diameteraddup10% D10 The particle size corresponding to the cumulative percentage of the laser particle size distribution of the sample reaches 10% in microns (μm). ......

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