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Issued by
Ministry of Industry and Information Technology of PRC
Level / Type
National · Recommended
Issue date
December 9, 2020
Implementation date
April 1, 2021
Scope
QB/T 4552-2020 (Slippers) is available as an English-translated PDF.
QB/T 4552-2020 — This standard specifies the terms and definitions, product classification, requirements, after-sale quality judgment, test methods, inspection items and judgments, inspection rules, signs, packaging, transportation, storage of slippers.
This standard applies to slippers for daily wear. This standard does not apply to disposable slippers.
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Document preview — QB/T 4552-2020
National Standard of the People's Republic of China
- ICS
- 61.060
Issued by: Ministry of Industry and Information Technology of PRC
Contents
- Foreword...3
- 1 Scope...5
- 2 Normative references...5
- 3 Terms and definitions...6
- 4 Product classification...6
- 5 Requirements...7
- 6 After-sales quality judgment...9
- 7 Test method...9
- 8 Inspection items and qualification judgment...12
- 9 Inspection rules, signs, packaging, transportation, storage...13
- Appendix A (Normative) List of harmful aromatic amine dyes...14
- Appendix B (Informative) Judgement of after-sale quality...15
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard is a revision of QB/T 4552-2013 "Slippers".
Compared with QB/T 4552-2013, in addition to editorial changes, the main
technical differences between this standard and QB/T 4552-2013 are as follows.
- MODIFY the requirements of sensory quality (see 5.2; 5.2 of the 2013
edition);
- MODIFY the requirements and test methods of the pull-out force of the
band (see 5.3.2 and 7.3; 5.3.2 and 7.3 of the 2013 edition);
- MODIFY the requirements and test methods for the abrasion resistance of
the outsole (see 5.3.3 and 7.4; 5.3.3 and 7.4 of the 2013 edition);
- ADD the requirements and test methods for the anti-skid performance of
the outsole (see 5.3.4 and 7.5)
- ADD the requirements and test methods for the color fastness to rubbing of
linings and insock (see 5.3.5 and 7.6);
- MODIFY the requirements and test methods for free or partially
hydrolyzable formaldehyde content (see 5.5.2 and 7.9; 5.5.2.2 and 7.7 of
the 2013 edition);
- MODIFY the test method of upper sole peeling strength (see 7.2; 7.2 of the
2013 edition);
- MODIFY the test method of peculiar smell (see 7.7; 7.5 of the 2013 edition);
- MODIFY the test method for the content of decomposable harmful aromatic
amine dyes (see 7.8; 7.6 of the 2013 edition);
- MODIFY the inspection items and qualification judgment (see Chapter 8;
Chapter 8 of the 2013 edition);
- ADD an informative appendix "List of hazardous aromatic amine dyes".
This standard was proposed by the China National Light Industry Council.
This standard shall be under the jurisdiction of the National Footwear
Standardization Technical Committee (SAC/TC 305).
Drafting organizations of this standard. China Leather and Footwear Research
Institute Co., Ltd., Tianjin Laomeihua Footwear & Garment Co., Ltd., Nantong
Tuochi Footwear Co., Ltd.
1 Scope
This standard specifies the terms and definitions, product classification,
requirements, after-sale quality judgment, test methods, inspection items and
judgments, inspection rules, signs, packaging, transportation, storage of
slippers.
This standard applies to slippers for daily wear.
This standard does not apply to disposable slippers.
2 Normative references
The following documents are essential to the application of this document. For
the dated documents, only the versions with the dates indicated are applicable
to this document; for the undated documents, only the latest version (including
all the amendments) is applicable to this standard.
GB/T 251-2008 Textiles - Tests for color fastness - Grey scale for assessing
staining
GB/T 2703 Footwear - Vocabulary
GB/T 2912.1-2009 Textiles - Determination of formaldehyde - Part 1.Free
and hydrolyzed formaldehyde (water extraction method)
GB/T 3903.2-2017 Footwear - General test methods - Abrasion resistance
GB/T 3903.3-2011 Footwear - General test methods - Peeling strength
GB/T 3903.5-2011 Footwear - General test methods - Appearance quality
GB/T 3903.6-2017 Footwear - Test methods for whole shoe - Slip
performance
GB/T 17592-2011 Textiles - Determination of the banned azo colorants
GB/T 19941.1-2019 Leather and fur - Determination of formaldehyde
content - Part 1.High performance liquid chromatography method
GB/T 19942-2019 Leather and fur-Chemical tests-Determination of banned
azo colorants
GB/T 22049-2019 Footwear - Standard atmospheres for conditioning and
testing of footwear and components for footwear
3 Terms and definitions
The terms and definitions as defined in GB/T 2703, as well as the following
terms and definitions, apply to this document.
3.1
Infant's slippers
Slippers, which have a size not greater than 170, for infants and young
children 3 years old and below.
4 Product classification
4.1 It is divided into the following 5 categories, according to the upper surface
materials.
4.2 It is divided into the following 3 categories, according to the wearing object.
5 Requirements
5.1 General requirements
5.1.1 The safety indicators of infant's slippers and children's slippers shall meet
the requirements of GB 30585.
5.2 Sensory quality
The sensory quality shall meet the requirements of 5.2 in GB/T 36975-2018.
5.3 Physical and mechanical properties (except for infant's slippers)
5.3.1 Peeling strength of upper sole
5.3.2.4 The pull-out force of the upper band of slippers, which are made through
the process of cold bonding, sewing, glue-sealing, shall not be less than 80 N.
The pull-out force of the upper band of slippers, which are made through the
assembly process such as rivets, shall not be less than 50 N.
5.3.2.5 If the material is torn AND the band is not pulled out at the bonding part
of the upper sole, the pull-out strength of the upper band shall not be less than
30 N/cm.
5.3.3 Wear resistance of outsole
5.3.5 Color fastness to rubbing of lining and insock
5.3.5.1 For slippers, whose lining and insock are made of textiles, leather, fur,
artificial leather, synthetic leather, they shall be tested for the color fastness to
rubbing of the lining and insock.
5.3.5.2 The wet rubbing staining grade of suede leather shall not be less than
level 2.The wet rubbing staining level of leather, textiles, fur, artificial wool, other
materials shall not be less than level 3.
5.4 Odor
The odor level shall not be greater than level 3.
5.5 Limits of hazardous substances
5.5.1 Content of decomposable harmful aromatic amine dye
It shall meet the requirements of Table 1.Under reducing conditions, see
Appendix A for the list of harmful aromatic amine dyes, which shall not be
decomposed from the dye.
6 After-sales quality judgment
See Appendix B.
7 Test method
7.1 Sensory quality
Carry out test according to GB/T 3903.5-2011.
7.2 Peeling strength of upper sole
7.2.1 Carry out the inspection, according to GB/T 3903.3-2011.The width of
knife edge is (10 ± 0.2) mm. The testing part is the front tip part.
7.4 Wear resistance of outsole
Carry out the test according to GB/T 3903.2-2017.When testing the surface of
the microporous material outsole, the surface is not polished. If the sample does
not meet the test requirements (such as the vibration of the grinding wheel
during the test), it may be exempted from the test. If the flat part of the solid
material outsole does not meet the test area requirements, it shall be polished
before the test.
7.6 Color fastness to rubbing of lining and insock
7.6.1 Take the same material of the lining and the insock as the specimen. If
there is no lining, the contact surface between the upper surface and the foot is
used as a specimen for inspection. If the specimen area does not meet the
sampling requirements, it may take sample from the same batch of materials,
for inspection.
7.6.2 In accordance with the method A of QB/T 2882-2007, wet wipe 50 times
for inspection. The gray scale shall meet the requirements in GB/T 251-2008.
7.7 Peculiar smell
7.7.1 Test equipment
When the shoe size is 200 and below, the diameter of the test dryer is 240 mm.
When the shoe size is larger than 200, the diameter of the test dryer is 300 mm.
7.7.5 Test procedure
7.7.5.1 Clean and dry the dryer, to make it tasteless. Spread petroleum jelly
evenly, on the edge of the dryer cover.
7.8 Content of decomposable harmful aromatic amine dye
7.8.1 Different materials shall be tested separately. If the upper surface and the
lining cannot be separated, they shall be tested together. The testing method is
the same as that of the lining.
7.8.2 Textiles shall be tested, according to GB/T 17592-2011; when aniline
and/or 1,4-phenylenediamine are detected, they shall be tested, according to
GB/T 23344-2009.Leather and fur shall be tested, according to GB/T 19942-
2019; when aniline and/or 1,4-phenylenediamine are detected, it shall be tested,
according to GB/T 33392-2016.
7.9 Content of free or partially hydrolyzable formaldehyde
8 Inspection items and qualification judgment
8.1 Inspection items
It shall meet the requirements of Table 4.
9 Inspection rules, signs, packaging, transportation, storage
It shall meet the requirements of QB/T 1187.
Appendix A
(Normative)
List of harmful aromatic amine dyes
Table A.1 -- List of hazardous aromatic amine dyes
No. Chinese name English name CAS No.
QB/T 4552-2020
QB
LIGHT INDUSTRY STANDARD OF THE
PEOPLE'S REPUBLIC OF CHINA
ICS 61.060
Classification No.. Y 78
Replacing QB/T 4552-2013
Slippers
Issued on. DECEMBER 09, 2020
Implemented on. APRIL 01, 2021
Issued by. Ministry of Industry and Information Technology of PRC
Table of Contents
Foreword... 3
1 Scope... 5
2 Normative references... 5
3 Terms and definitions... 6
4 Product classification... 6
5 Requirements... 7
6 After-sales quality judgment... 9
7 Test method... 9
8 Inspection items and qualification judgment... 12
9 Inspection rules, signs, packaging, transportation, storage... 13
Appendix A (Normative) List of harmful aromatic amine dyes... 14
Appendix B (Informative) Judgement of after-sale quality... 15
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard is a revision of QB/T 4552-2013 "Slippers".
Compared with QB/T 4552-2013, in addition to editorial changes, the main
technical differences between this standard and QB/T 4552-2013 are as follows.
- MODIFY the requirements of sensory quality (see 5.2; 5.2 of the 2013
edition);
- MODIFY the requirements and test methods of the pull-out force of the
band (see 5.3.2 and 7.3; 5.3.2 and 7.3 of the 2013 edition);
- MODIFY the requirements and test methods for the abrasion resistance of
the outsole (see 5.3.3 and 7.4; 5.3.3 and 7.4 of the 2013 edition);
- ADD the requirements and test methods for the anti-skid performance of
the outsole (see 5.3.4 and 7.5)
- ADD the requirements and test methods for the color fastness to rubbing of
linings and insock (see 5.3.5 and 7.6);
- MODIFY the requirements and test methods for free or partially
hydrolyzable formaldehyde content (see 5.5.2 and 7.9; 5.5.2.2 and 7.7 of
the 2013 edition);
- MODIFY the test method of upper sole peeling strength (see 7.2; 7.2 of the
2013 edition);
- MODIFY the test method of peculiar smell (see 7.7; 7.5 of the 2013 edition);
- MODIFY the test method for the content of decomposable harmful aromatic
amine dyes (see 7.8; 7.6 of the 2013 edition);
- MODIFY the inspection items and qualification judgment (see Chapter 8;
Chapter 8 of the 2013 edition);
- ADD an informative appendix "List of hazardous aromatic amine dyes".
This standard was proposed by the China National Light Industry Council.
This standard shall be under the jurisdiction of the National Footwear
Standardization Technical Committee (SAC/TC 305).
Drafting organizations of this standard. China Leather and Footwear Research
Institute Co., Ltd., Tianjin Laomeihua Footwear & Garment Co., Ltd., Nantong
Tuochi Footwear Co., Ltd.
1 Scope
This standard specifies the terms and definitions, product classification,
requirements, after-sale quality judgment, test methods, inspection items and
judgments, inspection rules, signs, packaging, transportation, storage of
slippers.
This standard applies to slippers for daily wear.
This standard does not apply to disposable slippers.
2 Normative references
The following documents are essential to the application of this document. For
the dated documents, only the versions with the dates indicated are applicable
to this document; for the undated documents, only the latest version (including
all the amendments) is applicable to this standard.
GB/T 251-2008 Textiles - Tests for color fastness - Grey scale for assessing
staining
GB/T 2703 Footwear - Vocabulary
GB/T 2912.1-2009 Textiles - Determination of formaldehyde - Part 1.Free
and hydrolyzed formaldehyde (water extraction method)
GB/T 3903.2-2017 Footwear - General test methods - Abrasion resistance
GB/T 3903.3-2011 Footwear - General test methods - Peeling strength
GB/T 3903.5-2011 Footwear - General test methods - Appearance quality
GB/T 3903.6-2017 Footwear - Test methods for whole shoe - Slip
performance
GB/T 17592-2011 Textiles - Determination of the banned azo colorants
GB/T 19941.1-2019 Leather and fur - Determination of formaldehyde
content - Part 1.High performance liquid chromatography method
GB/T 19942-2019 Leather and fur-Chemical tests-Determination of banned
azo colorants
GB/T 22049-2019 Footwear - Standard atmospheres for conditioning and
testing of footwear and components for footwear
3 Terms and definitions
The terms and definitions as defined in GB/T 2703, as well as the following
terms and definitions, apply to this document.
3.1
Infant's slippers
Slippers, which have a size not greater than 170, for infants and young
children 3 years old and below.
4 Product classification
4.1 It is divided into the following 5 categories, according to the upper surface
materials.
4.2 It is divided into the following 3 categories, according to the wearing object.
5 Requirements
5.1 General requirements
5.1.1 The safety indicators of infant's slippers and children's slippers shall meet
the requirements of GB 30585.
5.2 Sensory quality
The sensory quality shall meet the requirements of 5.2 in GB/T 36975-2018.
5.3 Physical and mechanical properties (except for infant's slippers)
5.3.1 Peeling strength of upper sole
5.3.2.4 The pull-out force of the upper band of slippers, which are made through
the process of cold bonding, sewing, glue-sealing, shall not be less than 80 N.
The pull-out force of the upper band of slippers, which are made through the
assembly process such as rivets, shall not be less than 50 N.
5.3.2.5 If the material is torn AND the band is not pulled out at the bonding part
of the upper sole, the pull-out strength of the upper band shall not be less than
30 N/cm.
5.3.3 Wear resistance of outsole
5.3.5 Color fastness to rubbing of lining and insock
5.3.5.1 For slippers, whose lining and insock are made of textiles, leather, fur,
artificial leather, synthetic leather, they shall be tested for the color fastness to
rubbing of the lining and insock.
5.3.5.2 The wet rubbing staining grade of suede leather shall not be less than
level 2.The wet rubbing staining level of leather, textiles, fur, artificial wool, other
materials shall not be less than level 3.
5.4 Odor
The odor level shall not be greater than level 3.
5.5 Limits of hazardous substances
5.5.1 Content of decomposable harmful aromatic amine dye
It shall meet the requirements of Table 1.Under reducing conditions, see
Appendix A for the list of harmful aromatic amine dyes, which shall not be
decomposed from the dye.
6 After-sales quality judgment
See Appendix B.
7 Test method
7.1 Sensory quality
Carry out test according to GB/T 3903.5-2011.
7.2 Peeling strength of upper sole
7.2.1 Carry out the inspection, according to GB/T 3903.3-2011.The width of
knife edge is (10 ± 0.2) mm. The testing part is the front tip part.
7.4 Wear resistance of outsole
Carry out the test according to GB/T 3903.2-2017.When testing the surface of
the microporous material outsole, the surface is not polished. If the sample does
not meet the test requirements (such as the vibration of the grinding wheel
during the test), it may be exempted from the test. If the flat part of the solid
material outsole does not meet the test area requirements, it shall be polished
before the test.
7.6 Color fastness to rubbing of lining and insock
7.6.1 Take the same material of the lining and the insock as the specimen. If
there is no lining, the contact surface between the upper surface and the foot is
used as a specimen for inspection. If the specimen area does not meet the
sampling requirements, it may take sample from the same batch of materials,
for inspection.
7.6.2 In accordance with the method A of QB/T 2882-2007, wet wipe 50 times
for inspection. The gray scale shall meet the requirements in GB/T 251-2008.
7.7 Peculiar smell
7.7.1 Test equipment
When the shoe size is 200 and below, the diameter of the test dryer is 240 mm.
When the shoe size is larger than 200, the diameter of the test dryer is 300 mm.
7.7.5 Test procedure
7.7.5.1 Clean and dry the dryer, to make it tasteless. Spread petroleum jelly
evenly, on the edge of the dryer cover.
7.8 Content of decomposable harmful aromatic amine dye
7.8.1 Different materials shall be tested separately. If the upper surface and the
lining cannot be separated, they shall be tested together. The testing method is
the same as that of the lining.
7.8.2 Textiles shall be tested, according to GB/T 17592-2011; when aniline
and/or 1,4-phenylenediamine are detected, they shall be tested, according to
GB/T 23344-2009.Leather and fur shall be tested, according to GB/T 19942-
2019; when aniline and/or 1,4-phenylenediamine are detected, it shall be tested,
according to GB/T 33392-2016.
7.9 Content of free or partially hydrolyzable formaldehyde
8 Inspection items and qualification judgment
8.1 Inspection items
It shall meet the requirements of Table 4.
9 Inspection rules, signs, packaging, transportation, storage
It shall meet the requirements of QB/T 1187.
Appendix A
(Normative)
List of harmful aromatic amine dyes
Table A.1 -- List of hazardous aromatic amine dyes
No. Chinese name English name CAS No.
......
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
Normative references
- GB/T 251-2008Textiles -- Tests for colour fastness -- Grey scale for assessing staining
- GB/T 2703Footwear -- Vocabulary
- GB/T 2912.1-2009Textiles -- Determination of formaldehyde -- Part 1: Free and hydrolyzed formaldehyde (water extraction method)
- GB/T 3903.2-2017Footwear - Test methods for whole shoe - Abrasion resistance
- GB/T 3903.3-2011Footwear - General test methods - Peeling strength
- GB/T 3903.5-2011Footwear - General test methods - Appearance quality
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Related Standards
GB/T 19941.1-2019 — Leather and fur—Determination of formaldehyde content—Part 1: High performance liquid chromatography method
GB/T 19942-2019 — Leather and fur - Chemical tests - Determination of banned azo colorants
GB/T 22049-2019 — Footwear - Standard atmospheres for conditioning and testing of footwear and components for footwear
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