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GB/T 24321-2009 English PDF

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GB/T 24321-2009: Unbleached sulphate softwood pulp
Status: Valid
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GB/T 24321-2009English139 Add to Cart 3 days [Need to translate] Unbleached sulphate softwood pulp Valid GB/T 24321-2009

PDF similar to GB/T 24321-2009


Standard similar to GB/T 24321-2009

GB/T 21331   GB/T 24320   GB/T 6544   GB/T 10335.5   GB/T 24322   

Basic data

Standard ID GB/T 24321-2009 (GB/T24321-2009)
Description (Translated English) Unbleached sulphate softwood pulp
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard Y31
Classification of International Standard 85.040
Word Count Estimation 6,696
Date of Issue 2009-09-30
Date of Implementation 2010-02-01
Quoted Standard GB/T 451.1; GB/T 462; GB/T 740; GB/T 1546; GB/T 2828.1; GB/T 10739; GB/T 10740; GB/T 24323; GB/T 24324; GB/T 24325
Regulation (derived from) National Standard Approval Announcement 2009 No.10 (Total No.150)
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 unbleached kraft softwood pulp product categories, technical requirements, test methods, inspection rules and signs, packaging, transport and storage. This standard applies for the manufacture of paper tubes paper, plastic backing, kraft paper, cardboard boxes, wrapping paper and cardboard used unbleached kraft softwood pulp.

GB/T 24321-2009: Unbleached sulphate softwood pulp

---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.
Unbleached sulphate softwood pulp ICS 85.040 Y31 National Standards of People's Republic of China Unbleached softwood kraft pulp Posted 2009-09-30 2010-02-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

The standard-setting in the original light industry standard QB/T 1679-1993 "unbleached softwood kraft pulp" basis. 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. Fujian Nanping Paper Co., Ltd., China Pulp and Paper Research Institute, the national paper quality supervision and inspection center. The main drafters of this standard. Cheng Fei, Lin Shouhui, XU Jing. Unbleached softwood kraft pulp

1 Scope

This standard specifies the unbleached softwood kraft pulp product classifications, technical requirements, test methods, inspection rules and signs, packaging, transportation Transport and storage. This standard applies to unbleached softwood kraft paper for the manufacture of paper, plastic liner, kraft paper, cardboard, packaging paper and paperboard Wood pulp.

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. Determination of GB/T 451.1 Paper and board size and skewness GB/T 462 paper, board and pulp - Determination of water sample (GB/T 462-2008; ISO 287. 1985, MOD; ISO 638. 1978, MOD) GB /take (GB/T 740-2003, ISO 7213. 1981, IDT) T 740 pulp samples GB/T 1546 Determination of Kappa Number (GB/T 1546-2004, ISO 302. 1981, MOD) GB/T 2828.1 Sampling procedures for inspection - Part 1. by acceptance quality limit (AQL) retrieval batch inspection sampling plan (GB/T 2828.1-2003, ISO 2859-1.1999, IDT) GB/T 10739 paper, paperboard and pulp sample processing and testing standard atmospheric conditions (GB/T 10739-2002, eqvISO 187.1990) GB/T 10740 pulp dust and fiber bundle was measured (GB/T 10740-2002, eqvISO 5350.1998) GB/T 24323 Pulp Laboratory sheets Determination of physical properties (GB/T 24323-2009, ISO 5270.1998, MOD) GB/T 24324 physical testing pulp prepared by conventional sheet former method (GB/T 24324-2009, laboratory sheets ISO 5269-1.2005, MOD) GB/T 24325 Pulp Laboratory beating Wali (Valey) beater method (GB/T 24325-2009, ISO 5264-1. 1979, MOD)

3 Product Categories

Unbleached softwood kraft pulp mass is divided into first-class goods and qualified products. 4. Technical Requirements 4.1 unbleached kraft softwood technical requirements shall be in accordance with Table 1 or contract. Table 1 Indicators Unit Provision First grade Qualified Mechanical strength In the beating degree of 45 ° SR, copy sheet basis weight of 60g/m2 when. Tensile index ≥ Burst index ≥ Tear index ≥ N · m/g kPa · m2/g mN · m2/g 70.0 5.50 10.0 65.0 5.00 9.50

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