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GB/T 30789.6-2015 English PDF

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US$114.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 30789.6-2015: Paints and varnishes -- Evaluation of degradation of coatings -- Designation of quantity and size of defects, and of intensity of uniform changes in appearance -- Part 6: Assessment of degree of chalking by tape method
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 30789.6-2015	114	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 6: Assessment of degree of chalking by tape method	Valid

Similar standards

GB/T 30789.1 GB/T 30789.4 GB/T 30790.2 GB/T 30789.7 GB/T 30789.8 GB/T 30789.5

Basic data

Standard ID: GB/T 30789.6-2015 (GB/T30789.6-2015)
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 6: Assessment of degree of chalking by tape method
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G50
Classification of International Standard: 87.040
Word Count Estimation: 6,681
Date of Issue: 2015-05-15
Date of Implementation: 2015-10-01
Adopted Standard: ISO 4628-6-2011, IDT
Regulation (derived from): National Standard Announcement 2015 No. 15
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 assessment of the degree of powder coating paint picture reference standards. This section also provides a method for assessment of degree of chalking. When using this method, it is important to carefully distinguish between genuine aging degradation products and contaminants, especially when slight chalking.

GB/T 30789.6-2015: Paints and varnishes -- Evaluation of degradation of coatings -- Designation of quantity and size of defects, and of intensity of uniform changes in appearance -- Part 6: Assessment of degree of chalking by tape 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 varnisies Evaluation of degradation of coatings Designation of quantity and size of defects, and of intensity of uniform changes in appearance Part 6. Assessment of degree of chalking by tape method ICS 87.040 G50 National Standards of People's Republic of China Paints and varnishes - Evaluation of degradation of coatings As well as the number and size of defects Uniform appearance degree of change logo Part 6. Assessment of degree of chalking tape method quantityandsizeofdefects, andofintensityofuniformchangesin appearance-Part 6. Assessmentofdegreeofchalkingbytapemethod (ISO 4628-6.2011, IDT) Issued on. 2015-10-01 2015-05-15 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 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 630,789. This section drafted in accordance with GB/T 1.1-2009 given rules. This section uses the translation method identical with ISO 4628-6.2011 "number and size of paints and varnishes Evaluation of degradation of coatings defects As well as the appearance of a uniform degree of change identification - Part 6. Assessment of degree of chalking tape method. " 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 Paint Chemical Research Institute Co., Ltd., Guangzhou standard laboratory equipment Geda Products Co., Ltd., Guangzhou State Institute of Materials Co., Ltd., Sino New Materials Co., Ltd., Shenzhen Hirota Decoration Group Co., Ltd. The main drafters of this section. Zhang Ping, Wang Chongwu, Wen Jing, Li Yuewu, Li Shaojiang. Paints and varnishes - Evaluation of degradation of coatings As well as the number and size of defects Uniform appearance degree of change logo Part 6. Assessment of degree of chalking tape method

1 Scope

GB/T 30789 in this section provides a powder coating paint assess the degree of reference images. This section also specifies the assessment powder Method level. When using this method, it is important to carefully distinguish between genuine aging degradation products and contaminants, especially when slight chalking.

2 Terms and definitions

The following terms and definitions apply to this document. 2.1 Chalking chalking Because of its surface coating of one or more binder degradation and decomposition of pigment, while showing a loose powder adhesion phenomena. Principle 3 With sticky tape from the test under the powder coating, facing the reference background (black or white, regardless of the election which aim to give the most obvious reference Photo) Check the powder adhered to the adhesive tape on the assessment of degree of chalking according to rating table.

4 Materials

4.1 self-adhesive transparent tape, a width of at least 15mm. Colorless transparent soft tape is suitable, the tape will affect the quality assessment results. Type tape parties shall agree and Test report noted. 4.2 Background, black or white non-reflective surface, such as paper cards, or can not afford velvet fuzz velvet cloth.

5 program

5.1 at room temperature so that the coating surface is dry, and then tested. Dried coating surface put a piece of tape (see 4.1), applying steady pressure with a finger back and forth pressed. The length of the tape at least 40mm. A direction perpendicular to the surface of the tear tape, put it in the appropriate colors can be displayed on the sharp contrast of the background (see 4.2), adhesive tape Contact with the substrate surface. Evaluation of light-colored coating on a black background, a dark coat on a white background assessment. Under steady lighting immediately sticky powder tape each picture in Figure 1 compares the reference standard (see 5.5) to assess the degree of chalking. Background of the higher visibility of the lower degree of chalking. Lighting conditions noted in the test report. 5.2 degree of chalking can also use the appropriate optical instruments, by comparing the powder stained tape and unused tape measure transmittance quantified ......

Image

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 30789.6-2015_English be delivered?

Answer: Upon your order, we will start to translate GB/T 30789.6-2015_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 30789.6-2015_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 30789.6-2015_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.