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GB/T 28601-2012 English PDF

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GB/T 28601-2012: Rubber compounding ingredients -- Silica, precipitated, hydrated -- Determination of gelatin content
Status: Valid
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GB/T 28601-2012English149 Add to Cart 2 days [Need to translate] Rubber compounding ingredients -- Silica, precipitated, hydrated -- Determination of gelatin content Valid GB/T 28601-2012

PDF similar to GB/T 28601-2012


Standard similar to GB/T 28601-2012

GB/T 7044   GB/T 3780.8   GB/T 3782   GB/T 41957   GB/T 41938   GB/T 28600   

Basic data

Standard ID GB/T 28601-2012 (GB/T28601-2012)
Description (Translated English) Rubber compounding ingredients -- Silica, precipitated, hydrated -- Determination of gelatin content
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard G49
Classification of International Standard 83.040.20
Word Count Estimation 5,576
Quoted Standard GB/T 6003.1; GB/T 8170; HG/T 3061,
Regulation (derived from) National Standards Bulletin No. 13 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 test sieve method of determination of the gel content. This standard applies to precipitated hydrated silica.

GB/T 28601-2012: Rubber compounding ingredients -- Silica, precipitated, hydrated -- Determination of gelatin content


---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.
ICS83.040.20 G49 National Standards of People's Republic of China Rubber compounding ingredients precipitated hydrated silica Determination of gel content Rubbercompoundingingredients-Silica, precipitated, hydrated- Issued on. 2012-06-29 2012-12-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

The standard proposed by China Petroleum and Chemical Industry Association. This standard rule according to GB/T 1.1-2009 given draft. This standard by the National Rubber and rubber products Standardization Technical Committee of carbon black Technical Committee (SAC/TC35/SC5) centralized. This standard is drafted by. China Rubber Group Carbon Black Research & Design Institute, Shanghai Fine Chemical Co., Ltd. long-chen. The main drafters of this standard. Wangding You, Niesu Qing, Zhou Yufang. Rubber compounding ingredients precipitated hydrated silica Determination of gel content Warning. Use of this standard shall have a person experiences regular laboratory work This standard does not point out all possible security issues. Users have the responsibility to take appropriate safety and health practices and to ensure compliance with the conditions relevant national regulations.

1 Scope

This standard specifies the method for the determination of gel content with test sieves. This standard applies to precipitate hydrated silica.

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 6003.1 Test sieves of metal wire cloth GB/T 8170 represents rounding off rules and limit values \u200b\u200band judgment HG/T3061 precipitated hydrated silica rubber compounding ingredients Principle 3 Precipitation method produced easily formed hydrated silica gel. Determination of gel content precipitated hydrated silica, the silica is judged One based on dispersion. The samples through the test sieve 75μm residue on the sieve material deemed gel quality measuring residue (gel) to calculate gel content.

4 Instrument

4.1 Test sieve, mesh knit tin bronze or austenitic stainless steel wire is made, the basic mesh size 75μm and 150μm, in line with GB/T 6003.1 requirements. Sieves can also be used in other specifications. 4.2 Analytical balance with an accuracy of 0.1mg. 4.3 pan. 4.4 Ovens, gravity convection type, the temperature can be controlled at (105 ± 2) ℃. 4.5 dryer, fitted with an efficient desiccant. 4.6 mortar and pestle.

5 Sampling

5.1 according to the provisions of HG/T3061 sampled. 5.2 Samples collected should be placed in a closed container. Granulated sample using a mortar and pestle (4.6) lightly crushed and passed through 150μm real Test sieve.

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