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GB/T 21782.13-2009 English PDF

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US$154.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 21782.13-2009: Coating powders -- Part 13: Particle size analysis by laser diffraction
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 21782.13-2009	154	Add to Cart	3 days	Coating powders -- Part 13: Particle size analysis by laser diffraction	Valid

Similar standards

GB/T 23987 GB/T 23988 GB/T 23986 GB/T 21782.14 GB/T 21782.5 GB/T 21782.12

Basic data

Standard ID: GB/T 21782.13-2009 (GB/T21782.13-2009)
Description (Translated English): Coating powders -- Part 13: Particle size analysis by laser diffraction
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G50
Classification of International Standard: 87.040
Word Count Estimation: 8,840
Date of Issue: 2009-06-02
Date of Implementation: 2010-02-01
Quoted Standard: GB/T 9278, GB/T 15445.1-2008, GB/T 19077.1-2008, ISO 8130-9-1992
Adopted Standard: ISO 8130-13-2001, IDT
Regulation (derived from): Announcement of Newly Approved National Standards No. 8, 2009 (No. 148 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 use of dim light diffraction particle size distribution of equivalent spherical powder coating methods. This section applies to particle size range between 1��m ~ 300 ��m in powder coatings. This method applies only to the determination of dry powder.

GB/T 21782.13-2009: Coating powders -- Part 13: Particle size analysis by 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.
Coating powders Part 13. Particle size analysis by laser diffraction ICS 87.040 G50 National Standards of People's Republic of China GB/T 21782.13-2009/ISO 8130-13.2001 Powder Coatings Part 13. Laser diffraction particle size analysis (ISO 8130-13.2001, IDT) Posted 2009-06-02 2010-02-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

GB/T 21782 "powder coating" is composed of 14 parts, is expected to international standards and the corresponding structure is as follows. --- Part 1. Determination of particle size distribution by sieving; --- Part 2. Determination of the density of gas specific gravity meter comparative law; --- Part 3. Determination of liquid displacement pycnometer density; --- Part 4. lower explosion limit is calculated; --- Part 5. Powder/air mixture measured flow characteristics; --- Part 6. at a given temperature thermosetting powder coating gelling measurement time; --- Part 7. Determination of baking quality loss; --- Part 8. Evaluation of the storage stability of thermosetting powder; --- Part 9. Sampling; --- Part 10. Determination of deposition efficiency; --- Part 11. ramp flow test; --- Part 12. Determination of compatibility; --- Part 13. Laser diffraction particle size analysis; --- Part 14. Terminology. This is Part 13 GB/T 21782 of. This section is equivalent international standards ISO 8130-13.2001 "powder coating Part 13. Laser diffraction particle size analysis' (In English). This section is equivalent translation ISO 8130-13.2001. For ease of use, the editorial content part as follows. --- With "this Part" instead of "international standards in this section"; --- Delete international standards foreword. This part is proposed by the China Petroleum and Chemical Industry Association. This part of the National Standardization Technical Committee and is under the jurisdiction of paints and pigments. This section drafted by. CNOOC Changzhou coating Chemical Research Institute. The main drafters of this section. Huang Ning, Zhang Yonggang. GB/T 21782.13-2009/ISO 8130-13.2001 Powder Coatings Part 13. Laser diffraction particle size analysis

1 Scope

This section is about Paints, varnishes and related products, one of sampling and testing series. This section provides a method for powder coating equivalent spherical particle size distribution was determined by laser diffraction method. This section applies to a particle size range 1μm ~ 300μm between the powder coating. This method is only applicable to the determination of the dry powder. Note. Most of the instrument can distinguish the particle size distribution beyond the limits of the particles.

2 Normative references

The following documents contain provisions which, through reference GB/T 21782 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, under this part are encouraged to reach 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 9278 paint sample conditioning and testing temperature and humidity (GB/T 9278-2008, ISO 3270. 1984Paintsand varnishesandtheirrawmaterials─Temperaturesandhumiditiesforconditioningandtesting, IDT) GB/T 15445.1-2008 size analysis results presentation - Part 1. pattern characterization (ISO 9276-1.1998, IDT) GB/T 19077.1-2008 laser diffraction particle size analysis - Part 1. General (ISO 13320-1.1999, IDT) ISO 8130-9.1992 Powder Coatings Part 9. Sampling

3 Terms and Definitions

The following terms and definitions apply to this section. 3.1 Since the extinction of the powder coating particles (scattering and/or absorption) cause of the incident light attenuation percentage or a fraction. NOTE. All of the definitions given in 19077.1-2008 GB/T . Principle 4 Powder coating a representative sample, a suitable concentration of the dispersion in the gas stream, through a monochromatic laser beam source. The use of multiple detectors Measuring the intensity of light scattering particles in various angles and record the corresponding value of the signal scatter plot, for subsequent analysis. Then with a suitable light Learning model and mathematical procedures to convert these scattering signal values \u200b\u200bto obtain the equivalent volume ratio of the sample to partition between different levels of granularity represented Sphere volume particle size distribution.

5 Equipment

NOTE. Laser analyzers description given in the 19077.1-2008 GB/T . 5.1 laser diffraction particle size analyzer minimum range. 1μm ~ 300μm. 5.2 dry powder feeder. Laser analyzers connected, you can not agglomerated powder constant stream to the analyzer. GB/T 21782.13-2009/ISO 8130-13.2001 ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 21782.13-2009_English be delivered?

Answer: Upon your order, we will start to translate GB/T 21782.13-2009_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 21782.13-2009_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 21782.13-2009_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.