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QB/T 4546-2021 Related PDF English (QBT4546-2013)

QB/T 4546-2021 (QB/T4546-2021, QBT 4546-2021, QBT4546-2021) & related versions
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QB/T 4546-2021 QB LIGHT INDUSTRY STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 61.060 CCS Y 78 Replacing QB/T 4546-2013 Children’s leather sandals 儿童皮凉鞋 ISSUED ON: DECEMBER 02, 2021 IMPLEMENTED ON: APRIL 01, 2022 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 ... 7 5 Requirements ... 7 6 Test method ... 11 7 Judgment rules ... 13 8 Inspection rules, marking, packaging, transportation, storage ... 14 Appendix A (Informative) After-sales quality assessment of children's leather sandals ... 15 Children’s leather sandals 1 Scope This document specifies the requirements, judgment rules, inspection rules, marking, packaging, transportation, storage of children's leather sandals; describes the corresponding test methods; defines relevant terms and definitions; gives product classifications. This document applies to the production, inspection, and sales of infants’ leather sandals and children's leather sandals for general wear, with the upper (surface) made of natural leather, artificial leather, synthetic leather, textiles as the main materials, manufactured through various processes. This document does not apply to infants’ leather sandals and children's leather sandals with special functions. Infants’ leather sandals and children's leather sandals with upper (surface) made of other materials can refer to this document for implementation. 2 Normative references The contents of the following documents constitute essential clauses of this document through normative references in the text. Among them, for dated references, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies to this document. GB/T 2703 Footwear - Vocabulary GB/T 3903.1 Footwear - Test methods for whole shoe - Flexing resistance 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 3903.4-2017 Footwear - Test methods for whole shoe - Hardness GB/T 3903.5 Footwear - General test methods - Appearance quality GB/T 4841.3 Color cards of standard depths for dyeing with dyestuffs 2/1, 1/3, 1/6, 1/12, 1/25 GB/T 20991-2007 Personal protective equipment - Test methods for footwear GB/T 21396-2008 Footwear - Test methods for whole shoe - Upper sole adhesion GB/T 28011 Shanks for footwear GB/T 38011 Footwear - Test methods for whole shoe - Pull-out force of upper bands HG/T 3689-2014 Test method of discoloration for footwear QB/T 1187 Footwear - Principle of inspection and marking, package, transportation, storage QB/T 1472 Flexing index of fiberous board for footwear QB/T 2673 Labeling for footwear product QB/T 2882-2007 Footwear - Test methods for uppers, linings and insoles - Color fastness to rubbing and bleeding QB/T 4862 Midsoles 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 Infants' leather sandals Leather sandals with shoe size not exceeding 170, generally suitable for infants and young children aged 3 years and below. 3.2 Children's leather sandals Leather sandals with shoe size greater than 170, generally suitable for children aged 3 to 14. 3.3 Closed sandals The upper surface is basically complete, without large areas of perforation, and is mostly made of hollow, narrow leather strips and woven materials to meet the requirements of coolness and breathability. 3.4 Open sandals One or two of the upper parts of the front tip, inner and outer waist, and heel are incomplete, and the upper surface forms a large perforation. Note: The open sandals can be front opening, rear opening, middle opening, front closed rear opening, front and rear closed whilst middle opening, etc. 3.5 Stripe sandals The upper surface is made of strips of various widths through sewing or knitting. Note: The stripe sandals are more exposed than the open sandals; they are divided into various specific forms, such as front straps and back straps according to the position of the straps. 4 Product classification 4.1 According to the upper material, it can be divided into natural leather (top leather, split leather), artificial leather, synthetic leather, textiles, mixed materials and other uppers for infants’ leather sandals and children's leather sandals. 4.2 According to the upper structure, it can be divided into closed leather sandals and children's leather sandals, open leather sandals and children's leather sandals, stripe leather sandals and children's leather sandals. 4.3 According to the user, it can be divided into children's leather sandals and infants’ leather sandals. 5 Requirements 5.1 General requirements 5.1.1 Product identification shall meet the requirements of QB/T 2673. 5.1.2 After-sales quality judgment is shown in Appendix A. 5.2 Sensory quality Sensory quality requirements are shown in Table 1. Items 1 ~ 5 are the primary items; items 6 ~ 9 are the subsidiary items. d) Other cases that are not suitable for testing the upper and sole peeling strength. 5.3.3.3 The upper and sole peeling strength shall not be less than 40 N/cm. 5.3.3.4 If the material is torn and the peeling layer is not opened during the upper and sole peeling strength test, the peeling strength shall not be less than 30 N/cm. 5.3.4 Outsole hardness 5.3.4.1 The hardness of the solid outsole shall be 45 Shore A ~ 65 Shore A. The hardness of the microporous foam outsole shall be 45 Shore C ~ 65 Shore C. The composite outsole shall meet the hardness requirements of the solid outsole and/or microporous foam outsole according to the type of material. 5.3.4.2 The outsole hardness of natural leather outsoles and children's leather sandals with an outsole thickness of less than 3 mm is not measured. 5.3.5 Upper strap pull-out strength (or upper strap pull-out force) The upper strap pull-out strength of children's leather sandals manufactured by bonding process shall not be less than 70 N/cm. If the material is torn and the upper and sole joints are not pulled apart, the upper strap pull-out strength shall not be less than 30 N/cm. The upper strap pull-out force of children's leather sandals manufactured by non- bonding process (rivet nailing, etc.) shall not be less than 70 N. 5.3.6 Fiberboard flex index Fiberboard flex index shall not be less than 1.9. 5.3.7 Lining and insole friction color fastness The lining and insole friction color fastness staining grade shall not be less than grade 3 (gray scale) 5.3.8 Shank 5.3.8.1 For children's leather sandals with a shoe size of 200 or more, a heel height of more than 20 mm and a heel opening height of more than 8 mm, it shall have a shank or other rigid support material. The length, longitudinal stiffness, hardness, bending performance of the shank shall meet the requirements of GB/T 28011. 5.3.8.2 There is no requirement for the shank of children's leather sandals with injection molded midsoles. The longitudinal stiffness of injection molded midsoles shall meet the requirements of QB/T 4862. 5.3.8.3 The shank of wedge heels is not tested; the shank of wooden or hard plastic molded soles (hardness ≥ 80 Shore A) is not tested. 5.3.9 Yellowing resistance The yellowing resistance of the upper and sole edge (non-ground contact part) of children's leather sandals shall not be less than grade 3. White or light-colored uppers and sole edges (non-ground contact parts) are tested for yellowing resistance; the rest are exempted from testing. 5.3.10 Bonding strength between outsole and outer midsole The bonding strength between outsole and outer midsole shall not be less than 20 N/cm; it shall not be less than 15 N/cm when the microporous bottom is torn but the glue layer is not opened. 6 Test method 6.1 Sensory quality It is tested according to GB/T 3903.5. 6.2 Folding resistance It is tested according to GB/T 3903.1. 6.3 Abrasion resistance It is tested according to GB/T 3903.2-2017. Test conditions: Apply a pressure of (4.9 ± 0.1) N and wear continuously for 20 min. If there is no flat area on the outsole foam material, the abrasion resistance test is not performed. 6.4 Upper and sole peeling strength It is tested according to GB/T 3903.3-2011. Test conditions: blade width (10 ± 0.2) mm. 6.5 Outsole hardness It is tested according to GB/T 3903.4-2017. When testing the hardness of the foamed outsole, the surface dense layer is not polished. For the outsole made of a single material, any part that meets the standard requirements shall be tested; for the composite outsole, the stress point shall be tested. The patch material shall be tested together with the whole shoe; different materials at the stress point shall be tested and the results expressed separately. 6.6 Upper pull-out strength 6.6.1 Specimen preparation: The sample is 1 pair. Cut the upper and sole into 10 mm wide strips; take one specimen from the inside and outside. For specimens with an upper width of less than 10 mm, the sole remains in its original state. After the upper is cut in It is tested according to GB/T 28011. Take 2 shanks to test the length, longitudinal stiffness, hardness first; then select the shank with the largest hardness for bending performance test. The longitudinal stiffness of the injection molded midsole shall be tested according to QB/T 4862. 6.11 Yellowing resistance 6.11.1 Judgment of light-colored materials: According to GB/T 4841.3, it is light color if it is not darker than 1/12 of the standard depth of dyeing. 6.11.2 It is tested according to method A in HG/T 3689-2014; the irradiation time is 6 h. When the sampling volume is insufficient, the same batch of materials can be taken for testing. 6.12 Adhesion strength between outsole and outer midsole 6.12.1 Cut the specimens according to GB/T 21396-2008 and test them. The number of samples is 1 pair; 1 specimen is taken for each sole. The test result is the lower value of the test results of the two shoes. 6.12.2 If the sample sole is made of hard material and is difficult to cut, use a cutter to cut 50 mm × 15 mm of the outer soft material without cutting the hard material; then inspect according to GB/T 21396-2008. 7 Judgment rules 7.1 If the primary items of labeling, physical, mechanical properties and sensory quality meet the requirements of this document, whilst not more than two subsidiary items of sensory quality do not meet the requirements of this document, the product is judged to be qualified. 7.2 If one of the following situations occurs, the product is judged to be unqualified: a) The labeling does not meet the requirements of this document; b) The physical and mechanical properties do not meet the requirements of this document; c) One or more of the primary items of sensory quality do not meet the requirements of this document; d) More than two of the subsidiary items of sensory quality do not meet the requirements of this document. Appendix A (Informative) After-sales quality assessment of children's leather sandals A.1 After-sales service period It can be determined by the enterprise according to the product grade and clearly stated in the after-sales service provisions. A.2 After-sales quality judgement The following problems that occur under normal wear during the after-sales service period can be judged as quality problems: a) Failing to meet the quality requirements of qualified products in the product standards; b) Protruding nail tips (heads) in the shoes, uneven inside of the shoes affecting wearing; c) Upper cracks, broken or cracked upper feet, white frost, discoloration, etc. The front upper is obviously loose, the coating layer falls off or cracks; d) Open thread, open glue; e) The main heel or toe cap is deformed; f) The heel is deformed, cracked, broken or fallen. The heel falls off; g) The lining or inner pad is obviously discolored and contaminates the socks. Lining worn out; h) Outer sole or inner sole cracked, broken or uneven, affecting wear; i) Waist strips unbonded, broken; j) Shanks soft, broken or loose; k) Other problems that seriously affect appearance or wear. A.3 Inspection method A.3.1 Sensory quality shall be inspected in accordance with GB/T 3903.5-2011. A.3.2 Discoloration: Use white absorbent cotton or gauze soaked with clean water (no water dripping when pressed by fingers) to rub the discolored parts (inside of upper, ......


QB/T 4546-2013 QB LIGHT INDUSTRY STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 61.060 Classification code. Y78 File No.. 43568-2013 Children’s leather sandals 儿童皮凉鞋 ISSUED ON. DECEMBER 31, 2013 IMPLEMENTED ON. JULY 01, 2014 Issued by. Ministry of Industry and Information Technology Table of Contents Foreword ... 3  1 Scope ... 4  2 Normative references ... 4  3 Terms and definitions ... 5  4 Classification of products ... 6  5 Requirements ... 6  6 Test method ... 11  7 Inspection rules ... 14  8 Packaging, transportation and storage ... 16  Annex A ... 18  Annex B... 19  Foreword  This standard is drafted according to the rules provided in GB/T 1.1-2009. This Standard was proposed by China Light Industry Council. This Standard shall be under the jurisdiction of National Standardization Technical Committee leather footwear sub-technical committee (SAC/TC 305/SC1). Drafting organizations of this standard. National Center for Footwear Quality Supervision and Inspection (Wenzhou), Zhejiang Red Dragonfly Footwear Co Ltd., Shanghai Xiongmeimao Children's Products Co., Ltd., New Belle Footwear (Shenzhen) Co., Ltd. AND Qibu (China) Children's Products Co., Ltd. Main drafters of this standard. Mao Xiaohui, Yang Zhimin, Wang Jianbin, Shen Lizhu, Song Xiaowu, Zhou Jianzhang, Wang Fa and Zhu Li. Children’s Leather Sandals 1    Scope  This Standard specifies children’s leather sandals’ terms and definitions, product classification, requirements, test methods, inspection rules as well as packaging, transportation and storage. This Standard applies to children’s leather sandals made of different processes of which the uppers (bands) surface is made of natural leather, artificial leather, synthetic leather and textile material. 2    Normative references  The following documents are indispensable for application of this document. For the dated documents so quoted, only the dated versions apply to this document. For the undated documents so quoted, the latest versions (including all modification sheets) apply to this document. GB/T 2703 Footwear - Vocabulary GB/T 2912.1-2009 Textiles - Determination of formaldehyde - Part 1. Free and hydrolyzed formaldehyde (water extraction method) (ISO 14184-1.1998, MOD) GB/T 3293-2007 Chinese last systems GB/T 3293.1 Shoes sizes (GB/T 3293.1-1998, IS0407.1991, IDT) GB/T 3903.1-2008 Footwear - General test methods - Flexing resistance GB/T 3903.2-2008 Footwear - General test methods - Abrasion resistance GB/T 3903.3-2011 Footwear - General test methods - Peeling strength GB/T 3903.4-2008 Footwear - General test methods - Hardness GB/T 3903.5-20l 1 Footwear - General test methods - Appearance quality GB 6675-2003 National safety technical code for toys (ISO 8124.1.2000, IS08124.2.1994, IS08124-3.1997, MOD) GB/T 17592-2011 Textiles - Determination of the banned azo colourants GB/T 19941-2005 Leather and fur - Chemical tests - Determination of formaldehyde content(ISO/TC 17226.2003, MOD) GB/T 19942-2005 Leather and fur - Chemical tests - Determination of banned azo colourants (ISO/TC 17234.2003, MOD) GB/T 22807-2008 Leather and fur - Chemical tests - Determination of chromium VI content GB 28011-2011 Shanks for footwear QB/T 1472 Flexing index of fiberous board for footwear QB/T 2673 Footwear - Specification of marking QB/T 2709-2005 Leather - Physical-mechanical tests - Determination of thickness (ISO 2589.2002, MOD) QB/T 2882-2007 Footwear - Test methods for uppers linings and insocks - Colour fastness to rubbing (ISO 17700.2004, IDT) QB/T 4340-2012 Footwear - Chemical test method - Total heavy metal content - Inductively coupled plasma emission spectroscopy HG/T 2877-1997 Determination of pull-out force of upper bands from bottom of slippers or sandals 3    Terms and definitions  The following terms and the definitions defined in GB/T 2703 apply to this document. 3.1 Infant’s leather sandals Leather scandals for infants at the age of 3 or below, of which the shoe size is not more than 170 mm. 3.2 Children’s leather sandals Leather scandals for children above the age of 3 and under 14, of which the shoe size is not more than 250 mm. 3.3 Closed sandals 2.8mm 1) For shoe size ≤ 25 mm, the positions of force at front half outsoles can be exempted from assessment on pattern-deduction thickness. 5.3 Odor Odor rating is not greater than grade 2. 5.4 Total thickness of shoe upper-band Not less than 1.0 mm. 5.5 Physical-mechanical property (infants’ lather sandals are not tested) 5.5.1 Folding-resistant property 5.5.1.1 Test conditions. Pre-cut 5 mm, 40,000 times of continuous folding. 5.5.1.2 Technical indexes of folding-resistant property. Length of cut gap after folding is not greater than 20.0 mm. New crack length after folding is not greater than 5.0 mm; there shall be at most 3 new cracks after folding. After folding, upper shall be free of crazing and facture; upper-sole shall be free of glue failure. 5.5.1.3 Natural leather outsoles shall be conducted for non-cut hard fold test for 40,000 times; single crack shall not be greater than 5 mm; there shall be at most 3 cracks. After folding, upper shall be free of crazing and facture; upper-sole shall be free of glue failure. 5.5.1.4 Folding-resistant property is not tested if shoe size is below 230 mm; for thickness of shoe sole’s folding portion that is more than 25 mm, or the folding portion of shoe sole is made from hard material, it is not subjected to folding-resistant property. 5.5.2 Wearing-resistant property 5.5.2.1 Test conditions. Apply a pressure of 4.9 N; wear continuously for 20 min. 5.5.2.2 Wearing resistance technical specifications. Wear-scare length is not greater than 15.0 mm. 5.5.2.3 Natural leather outsoles are not tested on wearing-resistant property. 5.5.3 Upper-sole peeling-strength 5.5.3.1 Test conditions. Blade width is (10±0.05) mm. 5.5.3.2 For children’s leather sandals that are manufactured through non-adhesive (including sticky seam) process, peeling-strength is not tested. 5.5.3.3 For children’s leather sandals (excluding composite sole) of which the thickness of 6    Test method  6.1 Sensory quality Inspect according to GB/T 3903.5-2011. 6.2 Peculiar smell 6.2.1 Test equipment Dryer. diameter is 240mm (shoe size is 200mm and below), diameter is 300mm (shoe size > 200mm ~ 250mm). 6.2.2 Test environment Test shall be carried out in environment at here the gas is distributed freely; adjustment space shall be ideal as possible. 6.2.3 Judging personnel There shall be at least 3 personnel. They shall be the professionals who have been trained and evaluated, without smell defects. Heavy smokers, personnel who use strong perfume-cosmetics or after-drinking are not qualified for judging. 6.2.4 Number of samples Two pairs. 6.2.5 Test procedures 6.2.5.1 Clean and dry the vacuum drier to make it tasteless. 6.2.5.2 Respectively put each shoe into vacuum dryer; apply cover; stand at room temperature for 24 h. 6.2.5.3 During peculiar smell judgment, lid is removed to form an opening of 20 mm; test personnel moves his head closely to the test vessel (at a distance of about 15 cm); then flap slowly with hand; slowly absorb the gas in vacuum dryer; the time is not more than 5 s. 6.2.5.4 For the remaining 3 shoes, repeat the steps in 6.2.5.3. Interval between two tests is 2 min. 6.2.6 Judgment of test results Judgment of peculiar smell on each shoe shall conform to the provisions in Table 4. Adopt the opinions of over half judging personnel as the assessment result of that shoe; take the 6.9.3 Clamp moving speed. (25±5) mm/min. 6.9.4 Environmental temperature. (23±2)°C. 6.9.5 Upper and lower clamps are respectively for shoe sole (upper-sole’s bonding course shall not be clapped) and shoe upper-band. 6.9.6 Maximum force value applied to pull shoe upper and sole open is called pullout force; take the arithmetic mean of two test results as the test result. Results of each shoe are separately indicated. 6.9.7 Calculation of upper-band pullout force. Where, σ -- Upper-band pullout force, in Newton per centimeter (N/cm); F -- Maximum pullout force, in Newton (N); B -- Upper-band width of strip, in centimeters (cm). 6.10 Upper-band pullout force Inspect according to method B in HG/T 2877-1997; take 1 pair of samples; respectively take 1 sample from inner and outer sides of each shoe; take the arithmetic mean of two test samples from each shoe as the result; the result of each shoe is respectively indicated. 6.11 Flexing index of fiberboard Inspect according to QB/T 1472; draw samples from warehouse that are of the same lot number for inspection. 6.12 Rubbing f... ......

BASIC DATA
Standard ID QB/T 4546-2021 (QB/T4546-2021)
Description (Translated English) Children""s leather sandals
Sector / Industry Light Industry Industry Standard (Recommended)
Classification of Chinese Standard Y78
Classification of International Standard 61.060
Word Count Estimation 9,921
Date of Issue 2021-12-02
Date of Implementation 2022-04-01
Older Standard (superseded by this standard) QB/T 4546-2013
Quoted Standard GB/T 2703; GB/T 3903.1; GB/T 3903.2-2017; GB/T 3903.3-2011; GB/T 3903.4-2017; GB/T 3903.5; GB/T 4841.3; GB/T 20991-2007; GB/T 21396-2008; GB/T 28011; GB/T 38011; HG/T 3689-2014; QB/T 1187; QB/T 1472; QB/T 2673; QB/T 2882-2007; QB/T 4862
Summary This standard specifies the requirements, determination rules, inspection rules and marking, packaging, transportation and storage of children's leather sandals, specifies the corresponding test methods, specifies the relevant terms and definitions, and specifies the product classification. This standard applies to the production, inspection and sales of leather sandals for infants and children and children's leather sandals for general use, which are made of natural leather, artificial leather, synthetic leather and textiles as the main materials for the upper straps (surfaces) through various processes. This standard does not apply to infant and children's sandals with special functions. For infants and children sandals with straps (surfaces) made of other materials, this standard may be implemented by reference.

BASIC DATA
Standard ID QB/T 4546-2013 (QB/T4546-2013)
Description (Translated English) Children leather sandals
Sector / Industry Light Industry Industry Standard (Recommended)
Classification of Chinese Standard Y78
Classification of International Standard 61.06
Word Count Estimation 13,148
Date of Issue 2013-12-31
Date of Implementation 2014-07-01
Quoted Standard GB/T 2703; GB/T 2912.1-2009; GB/T 3293-2007; GB/T 3293.1; GB/T 3903.1-2008; GB/T 3903.2-2008; GB/T 3903.3-2011; GB/T 3903.4-2008; GB/T 3903.5-2011; GB 6675-2003; GB/T 17592-2011; GB/T 19941-2005; GB/T 19942-2005; GB/T 22807-2008; GB 28011-2011; QB/T 1472;
Drafting Organization National Quality Supervision and Inspection Center of footwear (Wenzhou)
Administrative Organization National Standardization Technical Committee of leather shoe Technical Sub-Committee
Regulation (derived from) Ministry of Industry and Information Technology Bulletin No. 71 of 2013; industry standard for filing Notice No. 2 of 2014 (No. 170 overall)
Summary This standard specifies the use of visual Test Method for Determination of liquefied petroleum gas at below 0��C free water present. This standard applies to liquefied petroleum gas.