GB/T 22883-2008 English PDF

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GB/T 22883-2008: Leather -- Wet blue sheep skins -- Specification
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 22883-2008	189	Add to Cart	3 days	Leather -- Wet blue sheep skins -- Specification	Valid

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Basic data

Standard ID: GB/T 22883-2008 (GB/T22883-2008)
Description (Translated English): Leather -- Wet blue sheep skins -- Specification
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: Y46
Classification of International Standard: 59.140.30
Word Count Estimation: 8,860
Date of Issue: 2008-12-30
Date of Implementation: 2009-09-01
Adopted Standard: ISO 5432-1999, 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 requirements for wet blue sheep, sampling and sample preparation, test methods, inspection rules, packaging and labeling. This standard applies mainly to chrome tanning process to get wet blue sheep leather.

GB/T 22883-2008: Leather -- Wet blue sheep skins -- Specification

---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.
Leather. Wet blue sheep skins. Specification ICS 59.140.30 Y46 National Standards of People's Republic of China Sheep leather wet blue leather norms (ISO 5432.1999, 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 5432.1999 "wet blue leather sheep leather norms" (in English). For ease of comparison, listed in Appendix A of this standard and the control list of international standard clauses. In Appendix B gives a list of the technical differences and the reasons for the reference. According to China's actual situation, the use of this standard in the ISO 5432.1999 when modified. The technical differences between a single vertical line Logo they involved provisions margin. For ease of use, this standard also made the following editorial changes. a) Remove the preface to international standards. b) to the "international standards" be replaced by "of this standard." c) use the decimal point. "" instead of a comma as the decimal point "." The Standard Appendix A, Appendix B is an informative annex. The standard proposed by China National Light Industry Council. This standard by the National Leather Industry Standardization Technical Committee (SAC/TC252) centralized. This standard is drafted by. National Leather Quality Supervision and Inspection Center (Zhejiang), Henin-Hardenne Spring leather limited liability company, Jiaxing Xiang Long Leather Co., Ltd., Tongxiang Hengyuan Leather Co., Ltd., China Leather and Footwear Industry Research Institute. The main drafters of this standard. Huangxin Xia, Pan Hong, Yang Jinsong, Cui Yaping. Sheep leather wet blue leather norms

1 Scope

This standard specifies the requirements for sheep wet blue leather, sampling and sample preparation, test methods, inspection rules, packaging and identification. This standard applies to chrome tanning process to give mainly sheep wet blue leather.

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 22808 Leather and fur - Chemical tests pentachlorophenol content QB/T 2707 Leather - Physical and mechanical tests to prepare and adjust the sample (QB/T 2707-2005, ISO 2419.2002, MOD) QB/T 2713 Leather - Physical and mechanical tests - Determination of shrinkage temperature (QB/T 2713-2005, ISO 3380.2002, MOD) Determination of QB/T 2717 Leather - Chemical tests volatiles QB/T 2724 Leather - Chemical tests - Determination of pH (QB/T 2724-2005, ISO 4045. 1977, MOD)

3 Requirements

Shall comply with the requirements in Table 1. Table 1 Requirements Project Requirements Shrinkage temperature/℃ ≥85 pH ≥3.5 Pentachlorophenol (in absolute dry basis) /% ≤0.5 Sensory requirements Surface color uniform, tight grain, no residue wool, chromium-free spot, no creases, no iron plaque; Piri clean, no meat Slag; even cut the same color; Paper Plate soft feel natural, non-air-dried

4 sampling

4.1 Sampling In addition to the remaining parts of the side parts of the Xu, sample size should meet the test requirements. Sample preparation 4.2 Use a sharp knife to cut chemical test samples were cut into the side length of less than 5mm in bulk, be empty according to the provisions QB/T 2707 of Gas conditioning 48h.

5 Test Methods

5.1 shrinkage temperature Conducted in accordance with QB/T 2713's. ......

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