GB/T 3903.15-2008 English PDF (GB/T3903.15-2008)

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GB/T 3903.15-2008: Footwear -- Test methods for uppers, lining and insocks -- Thermal insulation
GB/T 3903.15-2008
GB
NATIONAL STANDARD OF
THE PEOPLE’S REPUBLIC OF CHINA
ICS 61.060
Y 78
GB/T 3903.15-2008 / ISO 17705.2003
Footwear - Test methods for uppers, lining and
insocks - Thermal insulation
(ISO 17705.2003, IDT)
ISSUED ON. JUNE 18, 2008
IMPLEMENTED ON. MAY 1, 2009
Issued by. General Administration of Quality Supervision, Inspection and
Quarantine;
Standardization Administration Committee.
Table of Contents
Foreword ... 3 
1 Scope ... 4 
2 Normative references ... 4 
3 Terms and definitions ... 4 
4 Apparatus and material ... 5 
5 Sampling and conditioning ... 7 
6 Test method ... 7 
7 Expression of results ... 8 
8 Test report ... 10 
Foreword
This Part of GB/T 3903 identically adopts the International Standard ISO
17705.2003 Footwear - Test methods for uppers, lining and insocks - Thermal
insulation (English version). They are exactly identical in technical content. This
Part of GB/T 3903 only makes the following editorial modifications.
a) modified “this European Standard” to “this Part of GB/T 3903” (Translator
Note. Original text in Chinese is European Standard);
b) used decimal point “.” to replace “,” which was used as decimal point;
c) deleted the foreword of ISO 17705.2003;
d) deleted the table of contents of ISO 17705.2003;
e) directly used a national standard as reference which is corresponding to
EN 12222, an EN standard that was used as reference in ISO
17705.2003;
f) deleted the appendix of ISO 17705.2003.
This Part was proposed by China Light Industry Association.
This Part shall be under the jurisdiction of National Technical Committee on
Footwear of Standardization Administration of China.
The drafting organizations of this Part. China Institute of Leather and Footwear
Industry, Putian Entry - Exit Inspection and Quarantine Bureau of People's
Republic of China.
Main drafters of this Part. Zhang Weijuan, Tian Wang, Yan Hongwei, Fu Yizhong,
Lin Wei, Tang Zhenhua.
Footwear - Test methods for uppers, lining and
insocks - Thermal insulation
1 Scope
This Part of GB/T 3903 specifies a test method for determining the thermal
conductivity of uppers, lining and insocks, in order to assess the suitability for
the end use..
This Part is applicable to uppers, lining and insocks irrespective of the material.
2 Normative references
The following standards contain the provisions which, through reference in this
Part of GB/T 3903, constitute the provisions of this Part. For dated references,
subsequent amendments (excluding corrections) or revisions do not apply to
this Part. However, the parties who enter into agreement based on this Part are
encouraged to investigate whether the latest versions of these documents are
applicable. For undated reference documents, the latest versions apply to this
Part.
GB/T 22049 Footwear - Standard atmospheres for conditioning and testing
of footwear and components for footwear (GB/T 22049-2008, ISO
18454.2001, IDT)
3 Terms and definitions
For the purposes of this Part of GB/T 3903, the following terms and definitions
apply.
3.1
thermal insulation
thermal conductivity of a material under static conditions
3.2
upper
materials forming the outer surface of the footwear which is attached to the sole