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GB/T 1797-2008 English PDF

GB/T 1797-2008 (GB/T1797-2008, GBT 1797-2008, GBT1797-2008)
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Standard ID GB/T 1797-2008 (GB/T1797-2008)
Description (Translated English) Raw silk [Quasi-Official / Academic version - translated by Chinese Institute]
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard W40
Classification of International Standard 59.060.10
Word Count Estimation 10,122
Date of Issue 2008-08-06
Date of Implementation 2009-06-01
Older Standard (superseded by this standard) GB 1797-2001
Quoted Standard GB/T 1798-2008
Drafting Organization Zhejiang Cathaya International Co., Ltd.
Administrative Organization National Standardization Technical Committee silk textile branch
Regulation (derived from) National Standard Announcement 2008 No.12 (Total No.125)
Proposing organization China Textile Industry Association
Issuing agency(ies) Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China; Standardization Administration of China
Summary This standard specifies the twisted silk dress and barreled requirements, inspection rules, packaging and logo. This standard applies to the nominal fineness 69 den and below not soak silk.

Standards related to: GB/T 1797-2008

GB/T 1797-2008
Raw silk
ICS 59.060.10
National Standards of People's Republic of China
Replacing GB 1797-2001
raw silk
Posted 2008-08-06
2009-06-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
This standard replaces GB 1797-2001 "silk."
This standard compared with GB 1797-2001 The main changes are as follows.
--- Standard mandatory nature of the change recommended;
--- Adjust the level range of raw silk;
--- Adjust the fineness of silk deviation, maximum deviation fineness, even the second time change, even change three times, cutting, breaking strength, elongation at break
Content, cohesion and other indicators of the level of technical quality;
--- Increased 80 points and the following appears clean sheet silk yarn batch, the final rating can not be set at a predetermined level 6A;
--- Adjust the appearance of defects in raw silk twisted uneven weight standard value;
--- Added "silk gum content" select test items;
--- Adjust the relevant provisions of the packaging and labeling of raw silk.
The standard proposed by China Textile Industry Association.
This standard by the National Standardization Technical Committee silk textile branch.
This standard is drafted by. Zhejiang Cathaya International Co., Ltd., Zhejiang Silk Technology Co., Ltd., Zhejiang Entry-Exit Inspection and
Quarantine Bureau, Guangdong Silk Textile Group Co., Ltd., Rizhao Haitong Silk Group Co., Ltd. Xinyuan Silk Group Co., Ltd.,
Anhui source licensing Kong (Holdings) Co., Ltd., China silk trading market.
The main drafters of this standard. Bian fortunate children, Zhou Ying, Xu Jin, Lu Xing, Chen Nansheng, An Xia, Qian Ying Hua, Wang Haitao, Chen Jinming, Weijun Ling, Xu Qin.
This standard replaces the standards previously issued as follows.
--- GB 1797-1979, GB 1799-1979, GB 1797-1986, GB 1799-1986, GB 1797-2001.
raw silk
1 Scope
This standard specifies the installation and twisted silk cartridges requirements, inspection rules, packaging and identification.
This standard applies to nominal fineness of 69den not soak silk and below.
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 1798-2008 Test methods for raw silk
3 silk labeling specifications
Silk specification of "fineness floor/ceiling fineness" label, which is the nominal center fineness fineness.
a) 20/22den. Represents a nominal fineness of silk is 21den, fineness of silk specification limit for 20den, fineness limit of 22den.
b) 40/44den. Represents a nominal fineness of silk is 42den, fineness of silk specification limit for 40den, fineness limit of 44den.
4 Requirements
4.1 Quality of raw silk, raw silk according to the subject of comprehensive performance quality specifications and appearance quality, divided into 6A, 5A, 4A, 3A, 2A,
A and Class-drugs.
4.2 silk quality technical indicators specified in Table 1.
Table 1 raw silk quality specifications prescribed
The main test items on behalf of the fineness
6A 5A 4A 3A 2A A
Fineness deviation /
12den (13.3dtex)
And below
0.80 0.90 1.00 1.15 1.30 1.50
13den ~ 15den
(14.4dtex ~ 16.7dtex)
0.90 1.00 1.10 1.25 1.45 1.70
16den ~ 18den
(17.8dtex ~ 20.0dtex)
0.95 1.10 1.20 1.40 1.65 1.95
19den ~ 22den
(21.1dtex ~ 24.4dtex)
1.05 1.20 1.35 1.60 1.85 2.15
23den ~ 25den
(25.6dtex ~ 27.8dtex)
1.15 1.30 1.45 1.70 2.00 2.35
26den ~ 29den
(28.9dtex ~ 32.2dtex)
1.25 1.40 1.55 1.85 2.15 2.50
30den ~ 33den
(33.3dtex ~ 36.7dtex)
1.35 1.50 1.65 1.95 2.30 2.70