GB/T 3903.31-2008 English PDF (GB/T3903.31-2008)

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GB/T 3903.31-2008: Footwear -- Test methods for insoles -- Abrasion resistance
GB/T 3903.18-2008
GB
NATIONAL STANDARD OF
THE PEOPLE’S REPUBLIC OF CHINA
ICS 61.060
Y 78
GB/T 3903.31-2008 / ISO 20868.2001
Footwear - Test methods for insoles -
Abrasion resistance
(ISO 20868.2001, IDT)
ISSUED ON. DECEMBER 30, 2008
IMPLEMENTED ON. SEPTEMBER 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 ... 6 
6 Test method ... 6 
7 Expression of results ... 7 
8 Test report ... 7 
Bibliography ... 8 
Foreword
This Part of GB/T 3903 identically adopts the International Standard ISO
20868.2001 Footwear - Test methods for insoles - Abrasion resistance (English
version).
For easy use, this Part makes the following editorial modifications.
a) deleted the foreword of ISO 20868.2001;
b) deleted the table of contents of ISO 20868.2001;
c) used decimal point “.” to replace “,” which was used as decimal point;
d) directly used a national standard as reference which is corresponding to
the International standard that was used as reference in ISO 20868.2001;
e) deleted the informative annex A of ISO 20868.2001.
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. Qingdao Hengda Group Co., Ltd., China
Institute of Leather and Footwear Industry.
Main drafters of this Part. Shan Cunli, Shan Yuping, Yan Hongwei, Tian Wang.
Footwear - Test methods for insoles -
Abrasion resistance
1 Scope
This Part of GB/T 3903 specifies a test method to determine the abrasion
resistance of insoles.
This Part is applicable to insoles 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);
GB/T 22050 Footwear - Sampling location preparation and duration of
conditioning of samples and test pieces (GB/T 22050-2008, ISO 17709.2004,
IDT)
3 Terms and definitions
For the purposes of this Part of GB/T 3903, the following terms and definitions
apply.
3.1
abrasion resistance
surface resistance shown by an insole test piece when rubbed with a piece of
wet white wool felt pad, covered with an abradant fabric, under a given pressure,
with a number of to-and-fro motion cycles.