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GB/T 42946-2023 English PDF

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US$189.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 42946-2023: Requirements for stability for general graphic applications paper
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 42946-2023	189	Add to Cart	3 days	Requirements for stability for general graphic applications paper	Valid

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Basic data

Standard ID: GB/T 42946-2023 (GB/T42946-2023)
Description (Translated English): Requirements for stability for general graphic applications paper
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: Y30
Classification of International Standard: 85.060
Word Count Estimation: 10,164
Date of Issue: 2023-08-06
Date of Implementation: 2024-03-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 42946-2023: Requirements for stability for general graphic applications paper

---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 85.060 CCSY30 National Standards of People's Republic of China Stability requirements for ordinary image printing paper Published on 2023-08-06 2024-03-01 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 modified to adopt ISO 20494.2017 "Stability Requirements for General Image Printing Paper". Compared with ISO 20494.2017, this document has many structural adjustments. A list of structure number comparisons between the two files is attached. Record A. The technical differences between this document and ISO 20494.2017 and their reasons are as follows. ---Deleted the filler paper in the scope (see Chapter 1), which does not comply with the terminology of my country's industry standards; ---Replaced ISO 186 (see 6.1) with normative reference GB/T 450; replaced with normative reference GB/T 451.2 ISO 536 (see 6.3); replaced ISO 1974 (see 6.4 and 6.5) with normative reference GB/T 455; with normative reference GB/T 1545-2008 replaced ISO 6588-1 (see 6.7); replaced by normative reference GB/T 10739 ISO 187 (see 6.2); replaced ISO 5630-3 (see 6.5) with normatively cited GB/T 22894; GB/T 24998 replaces ISO 10716 (see 6.6) to adapt to my country's technical conditions; ---Change the term "ordinary image application" to "ordinary image printing paper" (see 3.2) to adapt to the reading habits of our country's industry; ---Change the content of Note 2 of 6.3 in ISO 20494.2017 to the requirements in the main text (see 5.3) to adapt to my country's technical conditions; ---Changed the expression of test conditions (see 6.2) to adapt to my country's technical conditions; ---Added the tear retention rate calculation formula (see 6.5) to make the standard content easy to operate. The following editorial changes have been made to this document. ---In order to coordinate with the existing standards, the name of the standard is changed to "Stability Requirements for Ordinary Image Printing Paper"; ---Deleted Note 1 in Chapter 1 of ISO 20494.2017 and Note 1 in 6.3; ---Deleted Appendix A (Informative) "Precision" and Appendix B (Informative) "Accelerated Aging on Optical Performance" in ISO 20494.2017 "Influence", Appendix C (informative) "About paper durability, archival paper durability and durability, and ordinary image printing paper stability "International Standard", Appendix D (Informative) "Accelerated Aging Test" and Appendix E (Informative) "Conformity Statement"; ---Added informative appendix A. 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 Paper Industry Standardization Technical Committee (SAC/TC141). This document was drafted by. China Pulp and Paper Research Institute Co., Ltd., China Light Paper Products Inspection and Certification Co., Ltd., Suqian Kejia Environmental Protection Technology Co., Ltd., Xiamen Ridley Calibration and Testing Technology Co., Ltd., Shenzhen Yijuncai Printing and Packaging Co., Ltd., Dongguan Kaicheng Environmental Protection Technology Co., Ltd., Henan Lianfa Paper Co., Ltd., Qingdao Beiqi Precision Manufacturing Co., Ltd. The main drafters of this document. Feng Yafang, Zuo Jianbo, Li Liangjun, Yao Min, Yang Jian, Yan Shaode, Liu Linhui, Li Jianmin, Peng Baojian, Zhang Meng, Wang Xinting, Yuan Taojing. Stability requirements for ordinary image printing paper

1 Scope

This document specifies the stability requirements for general image printing papers and describes test methods. This document applies to the production, inspection and sales of various types of coated and uncoated printing papers.

2 Normative reference documents

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, the dated quotations For undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to this document. GB/T 450 Collection of paper and cardboard samples and determination of longitudinal, transverse, front and back sides of the sample (GB/T 450-2008, ISO 186. 2002,MOD) GB/T 451.2 Determination of basis weight of paper and paperboard (GB/T 451.2-2002, eqvISO 536.1995) GB/T 455 Determination of tear strength of paper and cardboard (GB/T 455-2002, eqvISO 1974.1990) GB/T 1545-2008 Determination of acidity or alkalinity of aqueous extracts of paper, cardboard and pulp (ISO 6588.1981, MOD) GB/T 10739 Standard atmospheric conditions for handling and testing of paper, paperboard and pulp samples (GB/T 10739-2002, eqvISO 187. 1990) GB/T 22894 Moist heat treatment for accelerated aging of paper and paperboard at 80°C and 65% relative humidity (GB/T 22894- 2008,ISO 5630-3.1996,MOD) GB/T 24998 Determination of alkali reserves of paper and paperboard (GB/T 24998-2010, ISO 10716.1994, MOD)

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 paperstabilitypaperstability Under normal conditions of use and storage, the paper retains its ability to perform ordinary image printing functions. Note. The stability of this document is different from the paper stability required for documents permanently stored (such as in libraries, archives and other protected places). 3.2 All graphic paper used for printing or writing that is not permanently retained. Note. Typical products for general image printing paper include newspapers, magazines, brochures, books, office printing paper and copy paper. 3.3 Alkalireserve alkalireserve A class of alkaline compounds (such as calcium carbonate) in paper and cardboard that can neutralize acidic substances generated due to natural aging or atmospheric pollution. amount. [Source. GB/T 4687-2007, 4.5, with modifications] ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 42946-2023_English be delivered?

Answer: Upon your order, we will start to translate GB/T 42946-2023_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 42946-2023_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 42946-2023_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.