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GB/T 21862.3-2008 English PDF

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GB/T 21862.3-2008: Paints and varnishes -- Determination of density -- Part 3: Oscillation method
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GB/T 21862.3-2008English194 Add to Cart 3 days [Need to translate] Paints and varnishes -- Determination of density -- Part 3: Oscillation method Valid GB/T 21862.3-2008

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Basic data

Standard ID GB/T 21862.3-2008 (GB/T21862.3-2008)
Description (Translated English) Paints and varnishes -- Determination of density -- Part 3: Oscillation method
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard A80
Classification of International Standard 13.300
Word Count Estimation 10,146
Date of Issue 2008-05-12
Date of Implementation 2008-09-01
Quoted Standard GB/T 3186-2006; GB/T 20777-2006; ISO 3696-1987
Adopted Standard ISO 2811-3-1997, IDT
Regulation (derived from) Announcement of Newly Approved National Standards 2008 No. 8 (No. 121 overall)
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 method for the determination of the vibration paints, varnishes and related products density approach. This section applies to all materials, including thick slurry coatings. The use of compressive devices, aerosols can also be measured.

GB/T 21862.3-2008: Paints and varnishes -- Determination of density -- Part 3: Oscillation method

---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.
Paints and varnishes Determination of densi Part 3. Oscillation method ICS 13.300 A80 National Standards of People's Republic of China GB/T 21862.3-2008/ISO 2811-3.1997 Paints and varnishes - Determination of density Part 3. Vibration Method (ISO 2811-3.1997, IDT) Posted 2008-05-12 2008-09-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

GB/T 21862 "Paints and varnishes - Determination of density" includes the following four parts. --- Part 2. Falling Ball Method; --- Part 3. vibration method; --- Part 4. Pressure cup method; --- Part 5. hydrometer method. This is Part 3 GB/T 21862 of. This section is equivalent to using the ISO 2811-3.1997 "Paints and varnishes - Determination of density - Part 3. Vibration Law" (in English). This part of ISO 2811-3.1997 compared to do the following editorial changes. --- With "this Part" instead of "ISO 2811 part of this"; --- Use has been tantamount to the adoption of national standards instead of into the corresponding international standards or foreign standards; "." --- With a decimal point instead of a comma as the decimal point, ""; --- Delete international standards foreword. GB/T 21862 "Paints and varnishes - Determination of density," the relevant standards. GB/T 6750-2007 test "Paints and varnishes density Given pycnometer method "(ISO 2811-1.1997, IDT). Appendix A of this section is normative appendix, Appendix B and Appendix C are informative appendices. This part of the National Chemicals Management Standardization Technical Committee dangerous (SAC/TC251) and focal points. This section is responsible for drafting. Jiangsu Entry-Exit Inspection and Quarantine Bureau. Participated in the drafting of this section. the Chemical Institute of Standardization, Marine Chemicals Research Institute, China National Chemical Construction Corporation of Changzhou coating Power Research Institute. The main drafters of this section. Xu Yan, Wang Xiaobing, Yang East, WANG Gui-rong, Chen Lu, Pan Shenglin, Zhao Ling. This section is the first release. GB/T 21862.3-2008/ISO 2811-3.1997 Paints and varnishes - Determination of density Part 3. Vibration Method

1 Scope

This section provides a method for determining vibration method paints, varnishes and related products density. This section applies to all coatings, including thick slurry coatings. If you use compression devices, aerosols can be measured.

2 Normative references

The following documents contain provisions which, through reference GB/T 21862 in this section constitute provisions of this section. For dated reference documents Member, all subsequent amendments (not including errata content) or revisions do not apply to this section, however, encouraged to reach under this section Parties to research agreement to use the latest versions of these documents. For undated reference documents, the latest versions apply to this section. GB/T 3186-2006 Paints, varnishes and raw materials for paints and varnishes - Sampling (ISO 15528.2000, IDT) GB/T 20777-2006 Paints and varnishes examination and preparation of samples (ISO 1513.1992, IDT) ISO 3696. 1987 laboratory use - Specification and test methods

3 Terms and Definitions

The following terms and definitions apply to this section. 3.1 The ratio of material quality and volume, expressed in grams per milliliter (g/mL). Principle 4 The sample to be tested is placed on a glass or stainless steel U- shaped tube, and filled. The tube ends fixed, and begin to vibrate. The vibration frequency of the sample tubes will be filled with different sample tube quality varies.

5 Temperature

5.1 relative filling properties, the effect of temperature on the density is large, and with the product type. 5.2 part of the provisions of 23 ℃ ± 0.5 ℃ as the standard temperature. In some specific cases, use other identification such as temperature measurement 20 ℃ ± 0.5 ℃ (see Appendix C). 5.3 Throughout the test, the sample tubes and the oscillator should be kept at a specific temperature, and should be tested to ensure that the entire Process, the change in temperature of no more than 0.5 ℃.

6 Instruments

Routine laboratory equipment and glassware and the following instruments. 6.1 Oscillator The U- shaped glass tube or stainless steel tube to vibrate and instrument components. A template display vibration frequency, another template calculates and It shows density values. GB/T 21862.3-2008/ISO 2811-3.1997

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