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GB/T 43019.7-2023 English PDF

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US$264.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 43019.7-2023: Determination of water vapour transmission rate for plastics film and sheeting - Part 7: Calcium corrosion method
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 43019.7-2023	264	Add to Cart	3 days	Determination of water vapour transmission rate for plastics film and sheeting - Part 7: Calcium corrosion method	Valid

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Basic data

Standard ID: GB/T 43019.7-2023 (GB/T43019.7-2023)
Description (Translated English): Determination of water vapour transmission rate for plastics film and sheeting - Part 7: Calcium corrosion method
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G31
Classification of International Standard: 83.140.10
Word Count Estimation: 14,112
Date of Issue: 2023-09-07
Date of Implementation: 2024-04-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 43019.7-2023: Determination of water vapour transmission rate for plastics film and sheeting - Part 7: Calcium corrosion 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.
ICS 83.140.10 CCSG31 National Standards of People's Republic of China Determination of water vapor transmission rate of plastic films and sheets Part 7.Calcium corrosion method Published on 2023-09-07 2024-04-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration Committee

Foreword

This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1.Structure and Drafting Rules of Standardization Documents" Drafting. This document is Part 5 of "Determination of Water Vapor Transmission Rate of Plastic Films and Sheets". "Water vapor transmission rate of plastic films and sheets" Determination has published the following sections. ---Determination of water vapor transmission rate of plastic films and sheets Humidity sensor method (GB/T 30412-2013); ---Determination of water vapor transmission rate of plastic films and sheets using infrared sensor method (GB/T 26253-2010); ---Determination of water vapor transmission rate of plastic films and sheets by electrolytic sensor method (GB/T 21529-2008); ---Part 5.Pressure sensor method (GB/T 43019.5-2023); This document is equivalent to ISO 15106-7.2015 "Determination of water vapor transmission rate of plastic films and sheets - Part 7.Calcium corrosion Law". This document adds a chapter "Normative References". This document has made the following minimal editorial changes. ---In order to coordinate with the existing standards, the name of the standard is changed to "Determination of Water Vapor Transmission Rate of Plastic Films and Sheets - Part 7.Calcium Corrosion "Erosion Law". Please note that some content in this document may be subject to patents. The publisher of this document assumes no responsibility for identifying patents. This document is proposed by China Light Industry Federation. This document is under the jurisdiction of the National Technical Committee for Standardization of Plastic Products (SAC/TC48). This document was drafted by. Zhejiang Product Quality and Safety Science Research Institute, Shaoxing Quality and Technical Supervision and Inspection Institute, Zhejiang Fangyuan Inspection Group Tuan Co., Ltd., Zhejiang Dadongnan Co., Ltd., Zhejiang Kaili New Materials Co., Ltd., Huarida Packaging Materials Co., Ltd. Company, Zhejiang Jingliang New Material Technology Co., Ltd., Guangzhou Biaoji Packaging Equipment Co., Ltd., Hangzhou Mingri Flexible Packaging Co., Ltd., Hangzhou Jinyan Packaging Color Printing Co., Ltd., Taizhou Product Quality and Safety Inspection Research Institute, Zhejiang Xintianli Container Technology Co., Ltd., Yiwu Products (Businessman) Product) Quality Inspection Institute, Chengde Technology Co., Ltd., Zhejiang Jinshi Packaging Co., Ltd., Shaoxing University of Arts and Sciences, Wenzhou Quality Technology Institute of Testing Science, Wenzhou Xifa Industrial Co., Ltd., Wenzhou Zhiliang Industrial Co., Ltd., Hangzhou Normal University, Dalian Plastics Research Institute Co., Ltd. company. The main drafters of this document. Wang Ruilan, Wang Xiaodong, Zhu Yingying, Xu Guofu, Huang Xiang, Dong Wenchang, Lu Hongxiang, Wu Chunquan, Zhang Jianfeng, Shao Dehua, Li Hongyan, Xu Liping, Yu Jianren, Wang Guojun, Wei Songwei, Song Liang, Wang Guodong, Xiao Yunfei, Ma Zhifeng, Ye Feng, Liu Qiang, Chen Xianxing, Jiang Jinsheng, Li Yongguang, Huang Rong, Zheng Chuncui, Peng Yongjie.

Introduction

"Determination of Water Vapor Transmission Rate of Plastic Films and Sheets" is a standard for measuring the water vapor transmission rate of plastic films and sheets. Product standards for various plastic films and sheets provide support for performance. "Determination of Water Vapor Transmission Rate of Plastic Films and Sheets" is adopted equally ISO 15106."Determination of Water Vapor Transmission Rate of Plastic Films and Sheets" is planned to consist of 7 parts. ---Determination of water vapor transmission rate of plastic films and sheets Humidity sensor method (GB/T 30412-2013). The purpose is to use wet The water vapor transmission rate of plastic films and sheets is determined by the degree sensor method. ---Determination of water vapor transmission rate of plastic films and sheets using infrared sensor method (GB/T 26253-2010). The purpose is to use red The external sensor method determines the water vapor transmission rate of plastic films and sheets. ---Determination of water vapor transmission rate of plastic films and sheets by electrolytic sensor method (GB/T 21529-2008). The purpose is to use electricity The solution sensor method is used to determine the water vapor transmission rate of plastic films and sheets. ---Determination of water vapor transmission rate of plastic films and sheets - Part 5.Pressure sensor method (GB/T 43019.5-2023). Head The purpose is to use the pressure sensor method to measure the water vapor transmission rate of plastic films and sheets. Used to determine the water vapor transmission rate of plastic films and sheets using the calcium corrosion method. Determination of water vapor transmission rate of plastic films and sheets Part 7.Calcium corrosion method

1 Scope

This document specifies the determination of plastic films and sheets, composite plastic films and sheets based on the principle of calcium corrosion caused by the reaction of calcium and water. Water vapor transmission rate. Note. This document is suitable for rapid testing of a wide range of water vapor transmission rates.

2 Normative reference documents

This document has no normative references.

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Under specified test conditions, the mass of water vapor passing through unit area of the sample per unit time. Note. The unit is grams per square meter for 24 hours [g/(m2·24h)]. 3.2 sealing material sealmaterial Adhesive material between specimen and glass slide used to protect the calcium film from corrosive gases. 3.3 encapsulant Encapsulating material used to protect calcium films from corrosive gases.

4 Principles

This method is based on measuring the reaction rate between metallic calcium and water. Deposit the calcium film on the sample or glass slide, and follow Appendix A, Appendix Sealing or encapsulation by one of the three methods described in Appendix B and Appendix C. By measuring calcium film exposure in Appendix A, Appendix B and Appendix C The changes in performance under the stated environmental conditions were calculated to obtain the water vapor transmission rate of the sample.

5 samples

The sample should be representative, free of wrinkles, creases and pinholes, and uniform in thickness. The area of each specimen should be larger than the surface of the penetration chamber of the test unit. product. Unless otherwise specified or agreed by relevant parties, 3 samples should be taken from each group for testing. Note. For some products, the results of testing more than 3 samples will be more representative.

6 Sample status adjustment

Place the specimen in vacuum or inert gas. The conditioning process should comply with the technical specifications of the test material. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 43019.7-2023_English be delivered?

Answer: Upon your order, we will start to translate GB/T 43019.7-2023_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 43019.7-2023_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 43019.7-2023_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.