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This document is developed in accordance with the rules given in GB/T 1.1-2020 Directives for standardization - Part 1: Rules for the structure and drafting of standardizing documents.
This standard replaces GB 25036-2010 Children's canvas rubber footwear (shoes). In addition to structural adjustment and editorial changes, the following main technical changes have been made with respect to GB 25036-2010:
a) "Terms and definitions" is changed (see Clause 3; Clause 3 of Edition 2010);
b) The definition of "base thickness" as well as the requirements and test methods for outsole thickness are deleted (see 3.3, 5.5 and 6.3.6 of Edition 2010);
c) "Classification" content is changed (see Clause 4; Clause 4 of Edition 2010);
d) The requirements for "shoe sizes and models" are changed (see 5.1; 5.1 of Edition 2010);
e) The requirements and test methods for abrasion resistance are changed (see Table 1 and 6.1.3; Table 3 and 6.3.3 of Edition 2010);
f) The requirements and test methods for hardness of cellular sole are added (see Table 1 and 6.1.4);
g) The requirements and test methods for outsole slip performance are added (see Table 1 and 6.1.5);
h) "Adhesive strength between foxing strip and upper" is changed to "adhesion strength between foxing strip and upper" and test method is changed (see Table 1 and 6.1.6, Table 3 and 6.3.5 of Edition 2010);
i) The safety performance item "color fastness to rubbing of linings and insocks" is changed as a physical performance item (see Table 1, Table 3 of Edition 2010);
j) The requirements for appearance quality are changed (see 5.3; 5.6 of Edition 2010);
k) The requirements and test methods for physical safety performance are changed (see 5.4 and 6.3; Table 2 and 6.2 of Edition 2010);
l) The health and safety performance item and technical requirements are deleted (see Table 1 of Edition 2010);
m) The "warning sign" is added (see Clause 7);
n) The requirements for inspection rules, marking, packaging, transportation and storage are changed (see Clause 8; Clause 7 of Edition 2010);
o) Annexes A and B are deleted (see Annexes A and B of Edition 2010).
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. The issuing body of this document shall not be held responsible for identifying any or all such patent rights.
This document was proposed by China Petroleum and Chemical Industry Association.
This standard is under the jurisdiction of National Technical Committee on Rubber & Rubber Products of the Standardization Administration of China (SAC/TC 35).
The previous editions of this document and documents replaced by this document are as follows:
——It was first issued as GB 25036-2010 in 2010;
——This edition is the first revision.
Children's canvas rubber footwear
1 Scope
This standard specifies the classification, technical requirements, test methods as well as inspection rules, marking, packaging, transportation and storage of children's canvas rubber footwear.
This standard is applicable to the footwear made of rubber or other elastomers as the main material of the sole and fabric, other synthetic or natural materials as the main material of the upper and intended for use by toddlers and children.
2 Normative references
The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 528 Rubber, vulcanized or thermoplastic - Determination of tensile stress-strain properties
GB/T 531.1 Rubber vulcanized or thermoplastic - Determination of indentation hardness - Part 1: Durometer method (Shore hardness)
GB/T 2941 Rubber - General procedures for preparing and conditioning test pieces for physical test methods
GB/T 3293.1 Shoe sizes
GB 6675.2-2014 Safety of toys - Part 2: Mechanical and physical properties
GB/T 9867-2008 Rubber vulcanized or thermoplastic - Determination of abrasion resistance using a rotating cylindrical drum device
GB 30585-2014 Safety technical specifications for children’s footwear
GB/T 33384-2016 Rubber footwear terminology
HG/T 2198 Vulcanized rubber - The general requirements for the physical test method
HG/T 2403 Test rule, marking, packaging, transport, storage of rubber shoes
HG/T 2489 Cellular for shoes - Determination of hardness
HG/T 3780-2005 Test method of static slip resistance for footwear
HG/T 4805 Rubber shoes - Determination of adhesion between rubber parts and textile fabric
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 document, the terms and definitions given in GB/T 33384-2016 and the following apply.
3.1
children’s canvas rubber footwear
canvas rubber footwear with shoe size below 245 for use by children
[Source: GB/T 33384-2016, 2.2.2]
3.2
toddler's canvas rubber footwear
canvas rubber footwear for use by toddlers aged 36 months and below (usually with shoe size not greater than 170)
4 Classification
4.1 The products are classified into the following two categories by the wearers:
——Class A: toddler's canvas rubber footwear;
——Class B: Children's canvas rubber footwear other than toddler's canvas rubber footwear.
4.2 Products are classified into solid soles and cellular soles according to the outsole material.
5 Technical requirements
5.1 Shoe size and model
It shall comply with GB/T 3293.1.
5.2 Physical performance
Physical performance shall meet those specified in Table 1.
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Classification
5 Technical requirements
6 Test methods
7 Warning sign
8 Inspection rules, marking, packaging, transportation and storage