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GB/T 22883-2008: Leather -- Wet blue sheep skins -- Specification
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 22883-2008 | English | 189 |
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Leather -- Wet blue sheep skins -- Specification
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GB/T 22883-2008
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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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