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GB/T 22878-2008 English PDF

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US$139.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 22878-2008: Paper and board -- Estimation of contraries
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 22878-2008	139	Add to Cart	3 days	Paper and board -- Estimation of contraries	Valid

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Basic data

Standard ID: GB/T 22878-2008 (GB/T22878-2008)
Description (Translated English): Paper and board -- Estimation of contraries
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: Y30
Classification of International Standard: 85-010
Word Count Estimation: 6,642
Date of Issue: 2008-12-30
Date of Implementation: 2009-09-01
Adopted Standard: ISO 15755-1999, 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 method for the determination of impurities visible sheet estimates reflecting light. This standard applies to most paper and cardboard.

GB/T 22878-2008: Paper and board -- Estimation of contraries

---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.
Paper and board. Estimation of contraries ICS 85-010 Y30 National Standards of People's Republic of China Estimation of paper and paperboard impurities (ISO 15755.1999, 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 15755.1999 "Paper and paperboard impurities estimate." This standard and ISO 15755.1999 as compared to the main differences are as follows. --- Remove the ISO 15755.1999 Annex B; --- Normative references to international standards in the ISO standard document references into its corresponding national standard, GB/T 450 paper And to take samples and specimens of vertical and horizontal to the board, positive and negative determination (GB/T 450-2008, ISO 186.2002, MOD); --- Instrument calibration due to lack of experience, this standard does not provide accurate repeatability and reproducibility of the data. Appendix A of this standard is a normative appendix. The standard proposed by China National Light Industry Council. The standard paper by the National Standardization Technical Committee (SAC/TC141) centralized. This standard was drafted. China Pulp and Paper Research Institute, China Paper Association Professional Committee for Standardization, the National Quality Supervision and Inspection paper center. The main drafters of this standard. Deng Zhiming. Estimation of paper and paperboard impurities

1 Scope

This standard specifies the method for determination of paper sheet visible impurities estimates reflecting light. This standard applies to the majority of paper and paperboard.

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)

3 Terms and Definitions

The following terms and definitions apply to this standard. 3.1 Extracted from a package, bundle or roll in a piece of paper or cardboard. 3.2 Area for testing. 3.3 Appendix A in the comparison chart (see Figure A.1) shown any unwanted particles or spots, its size exceeds a predetermined minimum size, Compared with the surrounding paper surface and having a distinct light reflection. Note. The sheet surface impurities include any spots. Principle 4 Test specimens under reflected light. According to the comparison chart in Appendix A, each larger than the predetermined estimated and compared to the surrounding area of \u200b\u200bthe paper is not showing Impurity area with reflected light contrast. The impurity area summed to a sheet per square meter occupied square millimeters (mm2/m2) represents The total area of \u200b\u200bthe impurity. If desired, the area should be reported separately in different groups of impurities.

5 device

5.1 illumination device Observation suitable light source sheet in reflected light. Light source should have sufficient strength to ensure that all greater than the predetermined minimum area (see 7.2) impurities can be observed. Avoid direct sunlight or other external light sources. 5.2 standard dust comparison chart A series of black printed on a transparent film, gray, different shapes, different sizes, different contrast spots. This chart is used to visually Law and calibrate the instrument. This chart in Appendix A. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 22878-2008_English be delivered?

Answer: Upon your order, we will start to translate GB/T 22878-2008_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 22878-2008_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 22878-2008_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.