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QB/T 1327-1991

Chinese Standard: 'QB/T 1327-1991'
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BASIC DATA
Standard ID QB/T 1327-1991 (QB/T1327-1991)
Description (Translated English) Test method for color rubbing fastness of leather surface
Sector / Industry Light Industry Industry Standard (Recommended)
Classification of Chinese Standard Y46
Classification of International Standard 59.01
Word Count Estimation 3,329
Date of Issue 1991/11/25
Date of Implementation 1992/8/1
Quoted Standard GB 406; GB 251; GB 4689.1; GB 4689.2
Adopted Standard JIS K6547-1976, NEQ; NF G52-301-1983, NEQ
Drafting Organization Ministry of Light Industry Science Institute fur tanning
Administrative Organization Fur Tannery National Standardization Center
Regulation (derived from) Industry-Science (2010) No.77
Summary This standard specifies the friction in the dry and wet friction, measured using the leather surface or surface color fastness approach. This standard applies to light leather.

QB/T 1327-91
QB
INDUSTRIAL STANDARD
OF THE PEOPLE’S REPUBLIC OF CHINA
Test method for color rubbing fastness of leather surface
皮革表面颜色摩擦牢度测试方法
APPROVED ON. NOVEMBER 25, 1991
IMPLEMENTED ON. AUGUST 1, 1992
Approved by. Ministry of Light Industry of the People’s Republic of China
Table of contents
1 Contents and scope of application ... 3 
2 References ... 3 
3 Terminology ... 3 
4 Principles ... 3 
5 Equipment and materials ... 4 
6 Samples ... 5 
7 Test methods and result judgment ... 5 
8 Test report ... 6 
Additional information. ... 7 
Test method for color rubbing fastness of leather surface
1 Contents and scope of application
This standard specifies the method for determination of the color rubbing
fastness of leather surface or use surface in case of dry friction and wet
friction.
This standard applies to light leather.
2 References
GB 406 Technical requirements for natural color cotton cloth
GB 251 Grey scale for assessing staining
GB 4689.1 Leather - Laboratory sample - Location and identification
GB 4689.2 Leather - Physical an mechanical tests - Sample preparation and
conditioning
3 Terminology
3.1 Gray scale. a color comparison card used to determine the staining degree
by the comparison method.
3.2 Lining cloth. a cloth used to wrap the friction head, which shall comply with
the requirements of 5.3.
3.3 Friction head. a part of instrument which directly abrades the sample,
which shall comply with the requirements of 5.1b.
4 Principles
In the process of reciprocating friction on the surface of the leather at the
specified pressure, part of color from is transferred from the leather surface to
the lining cloth, AND the staining degree is determined using grey scale
through visual observation.
7.2.2 MAKE the lining cloth wetted by the distilled water as specified in Clause
5.4, AND its moisture shall be 70% ~ 75% if weighed by balance.
7.2.3 The lining cloth after being subjected to wet rubbing shall be placed in the
dark in room temperature air for natural drying, AND then the grey scale is
used to conduct judgment in accordance with the provisions of 7.1.5.
Note. It is allowed to conduct test for the entire piece of leather at the location
as specified in Clause 6.1.
8 ......
Related standard:   QB/T 5313-2018  QB/T 5314-2018
Related PDF sample:   QB/T 2710-2018  QB/T 2714-2018
   
 
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