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GB/T 39490-2020 English PDF

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US$259.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 39490-2020: (Test method for liquid impact resistance of fiber reinforced plastics-rotating device method)
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 39490-2020	259	Add to Cart	3 days	(Test method for liquid impact resistance of fiber reinforced plastics-rotating device method)	Valid

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Basic data

Standard ID: GB/T 39490-2020 (GB/T39490-2020)
Description (Translated English): (Test method for liquid impact resistance of fiber reinforced plastics-rotating device method)
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: Q23
Word Count Estimation: 14,193
Date of Issue: 2020-11-19
Date of Implementation: 2021-10-01
Regulation (derived from): National Standard Announcement No. 26 of 2020
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 39490-2020: (Test method for liquid impact resistance of fiber reinforced plastics-rotating device 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.
(Test method for liquid impact resistance of fiber reinforced plastics-rotating device method) ICS 83.120 Q23 National Standards of People's Republic of China Test method for liquid impact resistance of fiber reinforced plastics Rotating device method 2020-11-19 released 2021-10-01 implementation State Administration for Market Regulation Issued by the National Standardization Management Committee

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard was proposed by the China Building Materials Federation. This standard is under the jurisdiction of the National Fiber Reinforced Plastics Standardization Technical Committee (SAC/TC39). Drafting organizations of this standard. Beijing FRP Research and Design Institute Co., Ltd., Jushi Pandeng Electronic Substrate Co., Ltd., Chongqing International Composites Co., Ltd., Jotun Paint (Zhangjiagang) Co., Ltd., Shangwei New Material Technology Co., Ltd., Mingyang Smart Energy Group Co., Ltd. The company, Shanghai Kangda New Chemical Materials Group Co., Ltd., Sinoma Technology Wind Turbine Blade Co., Ltd., and Beijing Jianheng Certification Center have Co., Ltd., Shanghai Norwegian Warwick Certification Co., Ltd. The main drafters of this standard. Yang Dexu, Xu Kang, Ye Fenglin, Zhou Xinwei, Zhang Haiyan, Chen Chun, Yao Qisheng, Wang Yanli, Lin Wei, Zhang Jinfeng, Sun Lin. Test method for liquid impact resistance of fiber reinforced plastics Rotating device method

1 Scope

This standard specifies the principles, test equipment, samples, test conditions, Test procedure, test report. This standard is applicable to the determination of the liquid impact resistance of fiber-reinforced plastics and their protective coatings by the rotating device method. The method and erosion-time curve method are applicable to fiber reinforced plastics and protective coatings, and the degradation state method is only applicable to protective coatings. This standard does not apply to continuous liquid jet erosion and liquid or mud erosion erosion.

2 Normative references

The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this document. For undated references, the latest version (including all amendments) applies to this document. GB/T 1446 General Principles of Test Methods for Performance of Fiber Reinforced Plastics GB/T 1463 Fiber-reinforced plastic density and relative density test method GB/T 3854 Barcol hardness test method for reinforced plastics GB/T 3961 Terminology for fiber reinforced plastics GB/T 5206 Paints and varnishes terms and definitions GB/T 13452.2 Determination of film thickness of paints and varnishes GB/T 30789.1 Evaluation of paint and varnish coating ageing. Identification of the number and size of defects and the degree of uniform change in appearance. Part 1.General rules and identification system GB/T 30789.2 Evaluation of paint and varnish coating aging. Identification of the number and size of defects and the degree of uniform change in appearance. Part 2.Evaluation of blistering level GB/T 30789.4 Evaluation of paint and varnish coating ageing. Identification of the number and size of defects and the degree of uniform change in appearance. Part 4.Evaluation of cracking level GB/T 30789.5 Evaluation of paint and varnish coating ageing. Identification of the number and size of defects and the degree of uniform change in appearance. Part 5.Evaluation of peeling grade GB/T 30789.6 Evaluation of paint and varnish coating ageing. Identification of the number and size of defects and the degree of uniform change in appearance. Part 6.Evaluation of chalking grade by tape method ISO 13076 Lighting and procedures for visual evaluation of paint and varnish coatings ISO 19403-2 Paints and varnishes wettability Part 2.Determination of the free energy of solid surfaces by measuring the contact angle

3 Terms and definitions

The following terms and definitions defined in GB/T 3961 and GB/T 5206 apply to this document. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 39490-2020_English be delivered?

Answer: Upon your order, we will start to translate GB/T 39490-2020_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 39490-2020_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 39490-2020_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.