QB/T 2882-2023 PDF English
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QB/T 2882-2023: Footwear - Test methods for uppers, linings and insocks - Colour fastness to rubbing and bleeding
---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/QBT2882-2023
QB
LIGHT INDUSTRY STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 61.060
CCS Y 78
Replacing QB/T 2882-2007
Footwear - Test methods for uppers, linings and insocks -
Color fastness to rubbing and bleeding
(ISO 17700.2019, Footwear - Test methods for upper components and insocks - Color
fastness to rubbing and bleeding, MDO)
Issued on. JULY 28, 2023
Implemented on. FEBRUARY 01, 2024
Issued by. Ministry of Industry and Information Technology of PRC
Table of Contents
Foreword... 3
1 Scope... 6
2 Normative references... 6
3 Terms and definitions... 7
4 Test equipment and materials... 7
5 Sampling and environmental conditioning... 12
6 Test method... 13
7 Test report... 21
Appendix A (Informative) General test conditions for Method B... 23
1 Scope
This document describes three methods for evaluating the surface color migration of
materials in dry and wet rubbing (methods A, B, C), as well as a method for determining
the possibility of color bleeding (method D).
This document is applicable to the determination of color fastness to rubbing and
bleeding uppers, linings and insoles of footwear made of various materials. Method D
is also applicable to the determination of color fastness of color bleeding of stitches and
shoelaces.
The methods are as follows.
- Method A. Square head reciprocating rubbing color fastness;
- Method B. Rotating rubbing color fastness;
- Method C. Round head reciprocating rubbing color fastness;
- Method D. Bleeding color fastness.
2 Normative references
The contents of the following documents constitute the essential clauses of this
document through normative references in the text. Among them, for dated references,
only the version corresponding to that date is applicable to this document; for undated
references, the latest version (including all amendments) is applicable to this document.
GB/T 250 Textiles - Tests for color fastness - Grey scale for assessing change in
color (GB/T 250-2008, ISO 105-A02.1993, IDT)
GB/T 251 Textiles - Tests for color fastness - Grey scale for assessing staining (GB/T
251-2008, ISO 105-A03.1993, IDT)
GB/T 6151 Textiles - Tests for color fastness - General principles of testing (GB/T
6151-2016, ISO 105-A01.2010, MOD)
GB/T 6682-2008 Water for analytical laboratory use - Specification and test
methods (GB/T 6682-2008, ISO 3696.1987, MOD)
GB/T 7568.7 Textiles - Tests for color fastness - Standard adjacent fabrics - Part 7.
Multi-fiber (GB/T 7568.7-2008, ISO 105-F10.1989, MOD)
GB/T 22049 Footwear - Standard atmospheres for conditioning and testing of
footwear and components for footwear (GB/T 22049-2019, ISO 18454.2018, IDT)
GB/T 33729 Textiles - Tests for color fastness - Cotton rubbing cloth (GB/T 33729-
2017, ISO 105-F09.2009, MOD)
QB/T 2724 Leather - Chemical tests - Determination of pH (QB/T 2724-2018, ISO
4045.2008, MOD)
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
Color fastness
The ability of footwear materials or components to retain their color after exposure
to various factors.
4 Test equipment and materials
4.1 Method A
4.1.1 Test equipment, including the components specified in 4.1.1.1 ~ 4.1.1.8.
4.1.1.7 A device that can apply a downward force of (4.9 ± 0.1) N or (9.8 ± 0.2) N to
the rubbing head.
4.1.1.8 A device that records the number of platform operations.
4.1.2 White square pure wool felt block, meeting the requirements of 4.1.2.1 ~ 4.1.2.4.
4.1.2.1 The side length is (15 ± 1) mm.
4.1.2.2 The mass per unit area is (1900 ± 150) g/m2.
4.1.3 The gray scale with half-level grading used for evaluating discoloration and
staining shall meet the requirements of GB/T 250 and GB/T 251.
4.1.4 The artificial light source used in the evaluation box shall meet the requirements
of GB/T 6151.If daylight is used, use daylight from the north.
4.1.5 Distilled water or deionized water shall meet the requirements of grade 3 water in
GB/T 6682-2008.
4.1.6 Alkaline sweat solution, containing the following per liter.
4.2.1 Test equipment, including the components specified in 4.2.1.1 ~ 4.2.1.5.
4.2.1.1 Rigid platform (preferably metal) capable of holding the specimen.
4.2.1.2 Vertically rotating shaft, capable of fixing the circular felt block.
4.2.1.3 Capable of rotating the felt block at a speed of (149.0 ± 4.8) r/min 1).
4.2.1.4 Capable of applying a force of (24.5 ± 0.5) N or (7.1 ± 0.2) N to the rotating felt
block.
4.2.1.5 Counter for recording the number of rotations of the felt block.
4.2.2 Circular fine-combed pure wool felt block with a hole in the middle, meeting the
following requirements.
4.2.3 Grey scale card for evaluating discoloration and staining, which meets the
requirements of GB/T 250 and GB/T 251, respectively.
4.2.4 Metal plate, which has a size of approximately 75 mm × 65 mm, a thickness of 5
mm, a diameter of 25 mm for the middle hole, is used for the test of wetting the back
with organic solvent as described in 6.2.2.6.
4.2.9 Alkaline sweat, used for the alkaline sweat rubbing test described in 6.2.2.4, each
liter of solution contains.
4.3.3 Gray scale card for evaluating staining level, in accordance with GB/T 251.
4.3.4 Artificial light source used in the evaluation box complies with the requirements
of GB/T 6151.If daylight source is used, use daylight from the north.
4.3.5 Distilled water or deionized water, in accordance with the requirements of grade
3 water in GB/T 6682-2008.
4.4 Method D
4.4.1 Glass container, large enough to accommodate the glass plate of each combined
specimen (4.4.2).
4.4.10 Acidic sweat solution, each liter of solution contains.
5 Sampling and environmental conditioning
5.1 Method A
5.1.1 The rectangular specimen is required to be large enough to be firmly clamped on
the test platform (4.1.1.1). The specimen can be taken in any direction of the material.
In general, the minimum size of the specimen shall be 100 mm × 25 mm. If it is a tensile
material, it should take sample from the direction with less elasticity.
5.2 Method B
5.2.1 The specimen size shall be large enough to be firmly fixed on the test platform
(4.2.1.1). In general, the specimen shall be a 60 mm × 60 mm square, or a 60 mm
diameter circle; or a 60 mm wide strip specimen can be used for multiple tests.
5.2.2 Before the test, place the specimen in the standard environment specified in GB/T
22049 for at least 24 hours.
5.3 Method C
5.4 Method D
5.4.1 The specimens may be taken from the raw materials used for uppers, linings,
insoles, from formed uppers, linings, insoles, or from finished shoes.
5.4.2 Take samples from sheets or from uppers, linings and insoles in accordance with
5.4.2.1 ~ 5.4.2.3.
5.4.2.3 Place the multi-fiber standard adjacent fabric (4.4.3) in contact with the surface
of the specimen to be tested, ensuring that the specimen surface is in contact with all 6
components of the multi-fiber standard adjacent fabric, to form a combined specimen.
If both surfaces of the specimen need to be tested, sandwich the specimen between two
multi-fiber standard adjacent fabrics.
5.4.3 Sample yarns, laces or loose fibers according to 5.4.3.1 ~ 5.4.3.3.
5.4.4 Reserve some material as a reference for visual color change of the specimen.
6 Test method
6.1 Principle
6.1.1 Methods A and B
In method A, dry and wet wool felt blocks are rubbed back and forth on the surface of
the specimen under constant pressure.
6.1.3 Method D
The specimen is contacted with a multifiber standard fabric and soaked in one of the
following ways.
6.2 Test steps
6.2.1 Method A
6.2.1.1 General
All tests shall be repeated at least once to verify the test results. The tests shall be carried
out under the conditions specified in GB/T 22049.
6.2.1.4 Alkaline sweat rubbing test
The alkaline sweat rubbing test is carried out according to the following steps.
6.2.1.5 Petroleum solvent rubbing test
The petroleum solvent rubbing test is carried out in the following steps.
6.2.2 Method B
6.2.2.1 General
The tests in 6.2.2.2 ~ 6.2.2.6 shall be repeated at least once, to verify the test results.
The test shall be carried out in the environment specified in GB/T 22049.
6.2.3 Method C
6.2.3.1 General
Fix each specimen firmly on the platform of the test device with the surface to be tested
facing upwards, with the long side of the specimen in the same direction as the running
direction of the rubbing head. Place a metal mesh or sandpaper between the test device
platform and the specimen, to help reduce the movement of the specimen during the
rubbing process.
7 Test report
7.1 Methods A and B
The test report for methods A and B shall include the following.
7.2 Method C
The test report for Method C shall include the following.
7.3 Method D
The test report for Method D shall include the following.
QB/T 2882-2023
QB
LIGHT INDUSTRY STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 61.060
CCS Y 78
Replacing QB/T 2882-2007
Footwear - Test methods for uppers, linings and insocks -
Color fastness to rubbing and bleeding
(ISO 17700.2019, Footwear - Test methods for upper components and insocks - Color
fastness to rubbing and bleeding, MDO)
Issued on. JULY 28, 2023
Implemented on. FEBRUARY 01, 2024
Issued by. Ministry of Industry and Information Technology of PRC
Table of Contents
Foreword... 3
1 Scope... 6
2 Normative references... 6
3 Terms and definitions... 7
4 Test equipment and materials... 7
5 Sampling and environmental conditioning... 12
6 Test method... 13
7 Test report... 21
Appendix A (Informative) General test conditions for Method B... 23
1 Scope
This document describes three methods for evaluating the surface color migration of
materials in dry and wet rubbing (methods A, B, C), as well as a method for determining
the possibility of color bleeding (method D).
This document is applicable to the determination of color fastness to rubbing and
bleeding uppers, linings and insoles of footwear made of various materials. Method D
is also applicable to the determination of color fastness of color bleeding of stitches and
shoelaces.
The methods are as follows.
- Method A. Square head reciprocating rubbing color fastness;
- Method B. Rotating rubbing color fastness;
- Method C. Round head reciprocating rubbing color fastness;
- Method D. Bleeding color fastness.
2 Normative references
The contents of the following documents constitute the essential clauses of this
document through normative references in the text. Among them, for dated references,
only the version corresponding to that date is applicable to this document; for undated
references, the latest version (including all amendments) is applicable to this document.
GB/T 250 Textiles - Tests for color fastness - Grey scale for assessing change in
color (GB/T 250-2008, ISO 105-A02.1993, IDT)
GB/T 251 Textiles - Tests for color fastness - Grey scale for assessing staining (GB/T
251-2008, ISO 105-A03.1993, IDT)
GB/T 6151 Textiles - Tests for color fastness - General principles of testing (GB/T
6151-2016, ISO 105-A01.2010, MOD)
GB/T 6682-2008 Water for analytical laboratory use - Specification and test
methods (GB/T 6682-2008, ISO 3696.1987, MOD)
GB/T 7568.7 Textiles - Tests for color fastness - Standard adjacent fabrics - Part 7.
Multi-fiber (GB/T 7568.7-2008, ISO 105-F10.1989, MOD)
GB/T 22049 Footwear - Standard atmospheres for conditioning and testing of
footwear and components for footwear (GB/T 22049-2019, ISO 18454.2018, IDT)
GB/T 33729 Textiles - Tests for color fastness - Cotton rubbing cloth (GB/T 33729-
2017, ISO 105-F09.2009, MOD)
QB/T 2724 Leather - Chemical tests - Determination of pH (QB/T 2724-2018, ISO
4045.2008, MOD)
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
Color fastness
The ability of footwear materials or components to retain their color after exposure
to various factors.
4 Test equipment and materials
4.1 Method A
4.1.1 Test equipment, including the components specified in 4.1.1.1 ~ 4.1.1.8.
4.1.1.7 A device that can apply a downward force of (4.9 ± 0.1) N or (9.8 ± 0.2) N to
the rubbing head.
4.1.1.8 A device that records the number of platform operations.
4.1.2 White square pure wool felt block, meeting the requirements of 4.1.2.1 ~ 4.1.2.4.
4.1.2.1 The side length is (15 ± 1) mm.
4.1.2.2 The mass per unit area is (1900 ± 150) g/m2.
4.1.3 The gray scale with half-level grading used for evaluating discoloration and
staining shall meet the requirements of GB/T 250 and GB/T 251.
4.1.4 The artificial light source used in the evaluation box shall meet the requirements
of GB/T 6151.If daylight is used, use daylight from the north.
4.1.5 Distilled water or deionized water shall meet the requirements of grade 3 water in
GB/T 6682-2008.
4.1.6 Alkaline sweat solution, containing the following per liter.
4.2.1 Test equipment, including the components specified in 4.2.1.1 ~ 4.2.1.5.
4.2.1.1 Rigid platform (preferably metal) capable of holding the specimen.
4.2.1.2 Vertically rotating shaft, capable of fixing the circular felt block.
4.2.1.3 Capable of rotating the felt block at a speed of (149.0 ± 4.8) r/min 1).
4.2.1.4 Capable of applying a force of (24.5 ± 0.5) N or (7.1 ± 0.2) N to the rotating felt
block.
4.2.1.5 Counter for recording the number of rotations of the felt block.
4.2.2 Circular fine-combed pure wool felt block with a hole in the middle, meeting the
following requirements.
4.2.3 Grey scale card for evaluating discoloration and staining, which meets the
requirements of GB/T 250 and GB/T 251, respectively.
4.2.4 Metal plate, which has a size of approximately 75 mm × 65 mm, a thickness of 5
mm, a diameter of 25 mm for the middle hole, is used for the test of wetting the back
with organic solvent as described in 6.2.2.6.
4.2.9 Alkaline sweat, used for the alkaline sweat rubbing test described in 6.2.2.4, each
liter of solution contains.
4.3.3 Gray scale card for evaluating staining level, in accordance with GB/T 251.
4.3.4 Artificial light source used in the evaluation box complies with the requirements
of GB/T 6151.If daylight source is used, use daylight from the north.
4.3.5 Distilled water or deionized water, in accordance with the requirements of grade
3 water in GB/T 6682-2008.
4.4 Method D
4.4.1 Glass container, large enough to accommodate the glass plate of each combined
specimen (4.4.2).
4.4.10 Acidic sweat solution, each liter of solution contains.
5 Sampling and environmental conditioning
5.1 Method A
5.1.1 The rectangular specimen is required to be large enough to be firmly clamped on
the test platform (4.1.1.1). The specimen can be taken in any direction of the material.
In general, the minimum size of the specimen shall be 100 mm × 25 mm. If it is a tensile
material, it should take sample from the direction with less elasticity.
5.2 Method B
5.2.1 The specimen size shall be large enough to be firmly fixed on the test platform
(4.2.1.1). In general, the specimen shall be a 60 mm × 60 mm square, or a 60 mm
diameter circle; or a 60 mm wide strip specimen can be used for multiple tests.
5.2.2 Before the test, place the specimen in the standard environment specified in GB/T
22049 for at least 24 hours.
5.3 Method C
5.4 Method D
5.4.1 The specimens may be taken from the raw materials used for uppers, linings,
insoles, from formed uppers, linings, insoles, or from finished shoes.
5.4.2 Take samples from sheets or from uppers, linings and insoles in accordance with
5.4.2.1 ~ 5.4.2.3.
5.4.2.3 Place the multi-fiber standard adjacent fabric (4.4.3) in contact with the surface
of the specimen to be tested, ensuring that the specimen surface is in contact with all 6
components of the multi-fiber standard adjacent fabric, to form a combined specimen.
If both surfaces of the specimen need to be tested, sandwich the specimen between two
multi-fiber standard adjacent fabrics.
5.4.3 Sample yarns, laces or loose fibers according to 5.4.3.1 ~ 5.4.3.3.
5.4.4 Reserve some material as a reference for visual color change of the specimen.
6 Test method
6.1 Principle
6.1.1 Methods A and B
In method A, dry and wet wool felt blocks are rubbed back and forth on the surface of
the specimen under constant pressure.
6.1.3 Method D
The specimen is contacted with a multifiber standard fabric and soaked in one of the
following ways.
6.2 Test steps
6.2.1 Method A
6.2.1.1 General
All tests shall be repeated at least once to verify the test results. The tests shall be carried
out under the conditions specified in GB/T 22049.
6.2.1.4 Alkaline sweat rubbing test
The alkaline sweat rubbing test is carried out according to the following steps.
6.2.1.5 Petroleum solvent rubbing test
The petroleum solvent rubbing test is carried out in the following steps.
6.2.2 Method B
6.2.2.1 General
The tests in 6.2.2.2 ~ 6.2.2.6 shall be repeated at least once, to verify the test results.
The test shall be carried out in the environment specified in GB/T 22049.
6.2.3 Method C
6.2.3.1 General
Fix each specimen firmly on the platform of the test device with the surface to be tested
facing upwards, with the long side of the specimen in the same direction as the running
direction of the rubbing head. Place a metal mesh or sandpaper between the test device
platform and the specimen, to help reduce the movement of the specimen during the
rubbing process.
7 Test report
7.1 Methods A and B
The test report for methods A and B shall include the following.
7.2 Method C
The test report for Method C shall include the following.
7.3 Method D
The test report for Method D shall include the following.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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