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This standard is developed in accordance with the rules given in GB/T 1.1-2009.
This standard is a revision of QB/T 4552-2013 Slippers.
In addition to a number of editorial changes, the following main technical changes have been made with respect to QB/T 4552-2013:
——The requirements for sensory quality are modified (see 5.2 of this standard and 5.2 of Edition 2013);
——The requirements and test method for the pull-out force of upper brands are modified (see 5.3.2 and7.3 of this standard and 5.3.2 and 7.3 of Edition 2013);
——The requirements and test methods for abrasion resistance of outsole are modified (see 5.3.3 and 7.4 of this standard and 5.3.3 and 7.4 of Edition 2013);
——The requirements and test methods for slip resistance of outsole are added (see 5.3.4 and 7.5);
——The requirements and test methods for color fastness to rubbing of lining and insock are added (see 5.3.5 and 7.6);
——The requirements and test methods for the content of free or partially hydrolyzable formaldehyde (see 5.5.2 and 7.9 of this standard and 5.5.2.2 and 7.7 of Edition 2013);
——The test method for peeling strength of upper is modified (see 7.2 of this standard and 7.2 of Edition 2013);
——The test methods for peculiar smell are modified (see 7.7 of this standard and 7.5 of Edition 2013);
——The test method for the content of decomposable harmful aromatic amine dyes is modified (see 7.8 of this standard and 7.6 of Edition 2013);
——The inspection items and acceptance criteria are modified (see Clause 8 of this standard and Clause 8 of Edition 2013);
——An informative annex "List of harmful aromatic amine dyes" is added.
This standard was proposed by China National Light Industry Council.
This standard is under the jurisdiction of National Technical Committee 305 on Footwear of Standardization Administration of China (SAC/TC 305).
The previous edition of the standard is as follows:
——QB/T 4552-2013.
Slippers
1 Scope
This standard specifies the terms and definitions, classification, requirements, after-sale quality judgment, test methods, inspection items and judgment, and inspection rules, marking, packaging, transportation and storage of slippers.
This standard is applicable to casual slippers for daily wearing.
This standard is applicable to disposable slippers.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
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 - Test methods for whole shoe - 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
GB/T 23344-2009 Textiles - Determination of 4-aminoazobenzene
GB 30585 Safety technical specifications for children's footwear
GB/T 33392-2016 Leather and fur - Chemical tests - Determination of 4-aminoazobenzene derived from azo colorants
GB/T 36975-2018 General requirements for footwear
GB/T 38011-2019 Footwear - Test methods for whole shoe - Pull-out force of upper bands
QB/T 1187 Footwear - Principle of inspection and marking, package, transportation, storage
QB/T 2673 Footwear - Specification of marking
QB/T 2882-2007 Footwear - Test methods for uppers, linings and insocks - Colour fastness to rubbing
3 Terms and definitions
For the purposes of this standard, the terms and definitions given in GB/T 2703 and the following apply.
3.1
infant’s slippers
slippers with footwear sizing not greater than 170 for infants at or under 3 years
3.2
children’s slippers
slippers with footwear sizing larger than 170 but not greater than 250, for children of 3 to 14 years old
4 Product classification
4.1 Slippers may be classified into the following 5 categories by upper materials:
——Slippers with leather upper (including top layer leather and split leather);
——Slippers with fur upper;
——Slippers with synthetic (artificial) leather upper;
——Slippers with fabric upper;
——Slippers with upper made of other materials or mixed materials.
4.2 Slippers may be classified into the following 3 categories by the wearers:
——Infant’s slippers;
——Children's slippers;
——Adult’s slippers.
5 Requirements
5.1 General requirements
5.1.1 The safety indexes of infants’ and children’s slippers shall meet the requirements of GB 30585.
5.1.2 Marking shall meet the requirements of QB/T 2673.
5.1.3 Defects which affect wearing shall be avoided.
5.2 Appearance quality
Appearance quality shall meet the requirements of GB/T 36975-2018, 5.2.
5.3 Physical and mechanical properties (excluding infant’s slippers)
5.3.1 Peeling strength of upper
5.3.1.1 Only the close-toe slippers produced by adhesion process shall be subjected to the peeling strength test of upper, and this test may be omitted for the rest.
5.3.1.2 The peeling strength of upper shall not be less than 25 N/cm.
5.3.2 Pull-out force of upper bands
5.3.2.1 Slippers that are not suitable for testing the peeling strength of upper (e.g. slippers with the test part of sole bottom exceeding 25 mm in thickness, etc.) shall be subjected to the pull-out force test of upper bands.
5.3.2.2 Slippers made by sewing, affixing or riveting (including flip-flop) shall be subjected to the pull-out force test of upper bands. If the width of the upper strap is greater than 25 mm and it is not suitable for cutting the sample, the pull-out force test of the upper band may be omitted.
5.3.2.3 Once-forming slippers may not be subjected to the pull-out force test of upper bands.
5.3.2.4 For slippers made by cold bonding, sewing and affixing, the pull-out force of upper bands shall not be less than 80 N; for slippers made by riveting and other assembly process, such force shall not be less than 50 N.
5.3.2.5 If the material is torn, and the upper band at the adhesive part of the upper sole is not pulled out, the pull-out strength of the upper band shall not be less than 30 N/cm.
5.3.3 Abrasion resistance of outsole
5.3.3.1 Outsole made by natural leather, artificial leather, synthetic leather, and textile material (such as sewn cloth sole) may not be subjected to abrasion resistance test.
5.3.3.2 The length of the abrasion marks shall not be greater than 15.0 mm, and there shall be no worn through of the outsole.
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Product classification
5 Requirements
6 After-sale quality judgment
7 Test methods
8 Inspection items and acceptance criteria
9 Inspection rules, marking, packaging, transportation and storage
Annex A (Normative) List of harmful aromatic amine dyes
Annex B (Informative) After-sale quality judgment
