GB/T 22811-2008 English PDF

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GB/T 22811-2008: Corrugated fibre board -- Determination of the grammage of the component papers after separation
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 22811-2008	189	Add to Cart	3 days	Corrugated fibre board -- Determination of the grammage of the component papers after separation	Valid

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Basic data

Standard ID: GB/T 22811-2008 (GB/T22811-2008)
Description (Translated English): Corrugated fibre board -- Determination of the grammage of the component papers after separation
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: Y30
Classification of International Standard: 85-010
Word Count Estimation: 8,896
Date of Issue: 2008-12-30
Date of Implementation: 2009-09-01
Adopted Standard: ISO 3039-1975, MOD
Regulation (derived from): National Standard Approval Announcement 2008 No.25 (Total No.138)
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 quantitative determination of the composition of a single paper corrugated board. This standard applies to all types of corrugated board.

GB/T 22811-2008: Corrugated fibre board -- Determination of the grammage of the component papers after separation

---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.
Corrugated fibreboard. Determination of the grammage of the component papers after separation ICS 85-010 Y30 National Standards of People's Republic of China After the determination of the composition of corrugated base paper quantitative separation (ISO 3039. 1975, MOD) Posted 2008-12-30 2009-09-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This revised standard adopts ISO 3039. 1975 "after the composition of corrugated base paper quantitative determination of separation." This standard and ISO 3039. 1975 structure comparison are listed in Appendix A. This standard and ISO 3039. 1975 technical differences are listed in Appendix B. The Standard Appendix A, Appendix B is an informative annex. The standard proposed by China National Light Industry Council. This standard by the National Standardization Technical Committee of the paper industry. This standard is drafted by. People's Republic of China Shanghai Entry-Exit Inspection and Quarantine Bureau, China Pulp and Paper Research Institute. Participated in the drafting of this standard. Shanghai Jahwa United Co., Ltd., Shanghai Huali Packing Co., Ltd., Shanghai SHI Dong Feng Ji packaging Industry Co., Ltd. The main drafters of this standard. ZHANG Xiaorong, Zhu Hongkun, Jiang Wei, Jiang Xiaobin, Cao Hui. After the determination of the composition of corrugated base paper quantitative separation

1 Scope

This standard specifies the method for determination of the quantitative composition of a single paper corrugated board. This standard applies to all types of corrugated cardboard.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 450 and take samples to an aspect of paper and paperboard samples, positive and negative determination (GB/T 450-2008, ISO 186. 2002, MOD) GB/T 451.2 Paper and paperboard quantitative determination (GB/T 451.2-2002, eqv ISO 536.1995) GB/T 10739 paper, paperboard and pulp sample processing and testing standard atmospheric conditions (GB/T 10739-2002, eqv ISO 187. 1990)

3 Terms and Definitions

The following terms and definitions apply to this standard. 3.1 Quality paper or paperboard per square meter, in grams per square meter (g/m2) representation. Principle 4 Corrugated board sample immersion treatment, its composition paper from each other. The composition of the base paper is dried and processed, then press GB/T 451.2 measured quantitatively.

5 Instruments

5.1 Sink. sample was impregnated corrugated cardboard, should be of sufficient size and appropriate storage of cold water and hot water. Drying device (drying apparatus may be similar to the photographic print) 5.2 Separation. 5.3 Sample cutting device. should ensure that the cut-out area of \u200b\u200bthe sample of 95% compared with a predetermined area, the deviation within ± 1%. As a sample cut fine Degree does not meet the requirement, the area should be separately measured for each sample, and then be quantified. 5.4 Balance. a sense of the amount of 0.001g. 5.5 Thermometer. Measuring range is 0 ℃ ~ 100 ℃, accurate to 0.1 ℃.

6 Sampling

According to GB/T 450 sampling provisions. The sample surface damage should not affect the test results, it is best not printing and coating. sample It should be sufficient to cut the sample size required for the test.

7 temperature and humidity treatment

According to GB/T 10739 provides for sample processing temperature and humidity. ......

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