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QB/T 1327-1991

Chinese Standard: 'QB/T 1327-1991'
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QB/T 1327-1991English70 Add to Cart 0--10 minutes. Auto immediate delivery. Test method for color rubbing fastness of leather surface Valid QB/T 1327-1991

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Detail Information of QB/T 1327-1991; QB/T1327-1991; QBT 1327-1991; QBT1327-1991
Description (Translated English): (Leather surface color rubbing fastness test methods)
Sector / Industry: Light Industry Industry Standard (Recommended)
Classification of Chinese Standard: Y46
Classification of International Standard: 59.01
Word Count Estimation: 3,000
Date of Issue: 25/11/1991
Date of Implementation: 1/8/1992
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
Test method for color rubbing fastness of leather surface
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
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
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 1265-2017  QB/T 2727-2017
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