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GB/T 30789.2-2014 English PDF

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US$294.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 30789.2-2014: Paints and varnishes -- Evaluation of degradation of coatings -- Designation of quantity and size of defects, and of intensity of uniform changes in appearance -- Part 2: Assessment of degree of blistering
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 30789.2-2014	294	Add to Cart	3 days	Paints and varnishes -- Evaluation of degradation of coatings -- Designation of quantity and size of defects, and of intensity of uniform changes in appearance -- Part 2: Assessment of degree of blistering	Valid

Similar standards

GB/T 30789.4 GB/T 30789.1 GB/T 30790.2 GB/T 30789.7 GB/T 30789.8 GB/T 30789.6

Basic data

Standard ID: GB/T 30789.2-2014 (GB/T30789.2-2014)
Description (Translated English): Paints and varnishes -- Evaluation of degradation of coatings -- Designation of quantity and size of defects, and of intensity of uniform changes in appearance -- Part 2: Assessment of degree of blistering
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G50
Classification of International Standard: 87.040
Word Count Estimation: 15,192
Date of Issue: 7/8/2014
Date of Implementation: 12/1/2014
Quoted Standard: ISO 4628-1
Adopted Standard: ISO 4628-2-2003, IDT
Regulation (derived from): 2014 National Standards Bulletin No. 18
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 standard image with the comparative assessment of gassing method. Standard image of the standard instructions given under each bubble size and bubble size 2, 3, 4, 5 blistering case number (density) 2, 3, 4, 5. ISO 4628-1 defines

GB/T 30789.2-2014: Paints and varnishes -- Evaluation of degradation of coatings -- Designation of quantity and size of defects, and of intensity of uniform changes in appearance -- Part 2: Assessment of degree of blistering

---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 Evaluation of degradation of coatings Designation of quantity and size of defects, and of intensity of uniform changes in appearance Part 2.. Assessment of degree of blistering ICS 87.040 G50 National Standards of People's Republic of China Paints and varnishes - Evaluation of degradation of coatings The number and size of defects and uniform changes in appearance Degree of identification - Part 2. Evaluation of gassing quantityandsizeofdefects, andofintensityofuniformchangesin appearance-Part 2. Assessmentofdegreeofblistering (ISO 4628-2.2003, IDT) Issued on. 2014-07-08 2014-12-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

GB/T 30789 "Paints and varnish coating aging rating number and size of the defect and the identity of the extent of uniform changes in appearance." Divided into the following nine sections. --- Part 1. General and identification systems; --- Part 2. Evaluation of blistering levels; --- Part 3. Evaluation of rust grade; --- Part 4. Evaluation cracking grade; --- Part 5. Evaluation of flaking grade; --- Part 6. Assessment of degree of chalking tape method; --- Part 7. Method for Evaluation of velvet cloth chalking rating; --- Part 8. scribe or other artificial defect assessment and corrosion peeling peripheral level; --- Part 9. Evaluation of filiform corrosion level. This section GB/T Part of 230,789. This section drafted in accordance with GB/T 1.1-2009 given rules. This section uses the translation method identical with ISO 4628-2.2003 "number and size of paints and varnishes Evaluation of degradation of coatings defects And the second part identifies the degree of change of uniform appearance. gassing assessment. " This part is proposed by the China Petroleum and Chemical Industry Association. This part of the National Standardization Technical Committee and the pigment coating (SAC/TC5) centralized. This section drafted by. CNOOC Changzhou coating Chemical Research Institute, Heilongjiang Provincial Quality Supervision and Testing Institute, Shaanxi paint Pagoda Hill shares Parts Limited, Beijing Air Materiel Biam new materials technology Engineering Co., Ltd., Shenzhen Hirota Decoration Group Co., Ltd., COSCO Kansai Paint Chemical Co., Ltd., Shandong Pentium Paint Co., Ltd.. The main drafters of this section. Zhang Ping, Sun Lide, Liu Xiaoqing, Yang Zhenbo, Lishao Jiang, Liu Huicheng, Wang Hui. Paints and varnishes - Evaluation of degradation of coatings The number and size of defects and uniform changes in appearance Degree of identification - Part 2. Evaluation of gassing

1 Scope

GB/T 30789 in this section is given by comparison with a standard image evaluation gassing method. Standard image This section gives a description of each of bubble size and bubble size 2,3,4,5 blistering case number (density) 2,3,4,5. ISO 4628-1 defines the number and size of defects on the coating due to aging and the changes in the appearance of uniformity assessment systems, and almost General said the assessment system. The assessment system is suitable for natural and artificial accelerated aging caused by exposure defects and uniform changes such as color change Of, for example. yellowing.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. The number and size of the ISO 4628-1 Paints and varnishes - Evaluation of degradation of coatings defects and uniformity of appearance change logo Part 1. General and identification system (Paintsandvarnishes-Evaluationofdegradationofcoatings-Designation ofquantityandsizeofdefects, andofintensityofuniformchangesinappearance-Part 1. Generalin- troductionanddesignationsystem)

3 Terms and Definitions

The following terms and definitions apply to this document. 3.1 Gassing degreeofblistering Blistering of the coating by the number (density) and the size of the assessment.

4 Evaluation

According to FIGS. 1 to 4 to assess the number and size of the coating blisters. When the bubble size is inconsistent inspection area to check the area representative to represent the size of the bubble. Be assessed in the light of adequate conditions. If you are using an optical imaging system assessment, required in Appendix A picture calibration.

5 represents the result

According to FIGS. 1 to 4 was evaluated by the number of foaming (density) and size hierarchy. The results have shown that the area about the size of the bubble, Check or percentage of total area accounted for. ......

Image

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 30789.2-2014_English be delivered?

Answer: Upon your order, we will start to translate GB/T 30789.2-2014_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 30789.2-2014_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 30789.2-2014_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.