GB/T 22049-2019 English PDF (GBT22049-2019)

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GB/T 22049-2019: Footwear -- Standard atmospheres for conditioning and testing of footwear and components for footwear
GB/T 22049-2019
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 61.060
Y 78
GB/T 22049-2019 / ISO 18454:2018
Replacing GB/T 22049-2008
Footwear - Standard atmospheres for conditioning
and testing of footwear and components for footwear
(ISO 18454:2018, IDT)
ISSUED ON: AUGUST 30, 2019
IMPLEMENTED ON: MARCH 01, 2020
Issued by: State Administration for Market Regulation;
Standardization Administration of the People’s Republic of
China.
Table of Contents
Foreword ... 3 
1 Scope ... 4 
2 Normative references ... 4 
3 Terms and definitions ... 4 
4 General requirements ... 5 
5 Standard atmospheres ... 5 
6 Conditioning ... 6 
7 Test ... 6 
References ... 7 
Foreword
This Standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This Standard replaces GB/T 22049-2008, Footwear. Standard atmospheres
for conditioning and testing of footwear and components for footwear;
compared with GB/T 22049-2008, the major technical changes are as follow:
-- Add the normative references (see Chapter 2);
-- Modify the terms and definitions (see Chapter 3, Chapter 2 of version 2008);
-- Modify the description of the standard atmosphere (see Chapter 5, Chapter
4 of version 2008);
-- Add the provisions of the tropical standard atmosphere (see 5.2.3).
This Standard uses the translation method that is equivalent to ISO 18454:2018,
Footwear. Standard atmospheres for conditioning and testing of footwear and
components for footwear.
The documents of our country that have a consistent correspondence with the
international documents that are referenced in this Standard are as follows:
-- QB/T 1266-2012, Fur. Physical and mechanical tests. Sample preparation
and conditioning (ISO 2419:2006, MOD);
-- QB/T 2707-2018, Leather. Physical and mechanical tests. Sample
preparation and conditioning (ISO 2419:2012, MOD);
Please note that some of the contents of this document may involve patents.
The issuing organization of this document is not responsible for identifying
these patents.
This Standard was proposed by China National Light Industry Council.
This Standard shall be under the jurisdiction of National Technical Committee
305 on Footwear of Standardization Administration of China (SAC/TC 305).
The drafting organizations of this Standard: China Leather and Footwear
Research Institute Co., Ltd., 361 Degrees (China) Co., Ltd.
The drafters of this Standard: Chang Wenkai, Su Lihua, Wang Peng, Chen
Chen.
The previous versions of the standards which are replaced by this Standard are:
-- GB/T 22049-2008.
Footwear - Standard atmospheres for conditioning
and testing of footwear and components for footwear
1 Scope
This Standard specifies the standard atmospheres for conditioning and testing
the performance of footwear and components for footwear
This Standard defines two standard atmospheres for conditioning and testing
of footwear and components for footwear.
2 Normative references
The following documents are indispensable for the application of this document.
For dated references, only the dated version applies to this document. For
undated references, the latest edition (including all amendments) applies to this
document.
ISO 2419, Leather - Physical and mechanical tests - Sample preparation and
conditioning
3 Terms and definitions
Terms and definitions determined by ISO 2419 and the following ones are
applicable to this document.
The ISO and IEC standardized terminology database addresses are as follows:
-- ISO online browsing platform: https://www.iso.org/obp
-- IEC online browsing platform: https://www.electropedia.org/
3.1 Atmosphere
Ambient conditions that are defined by parameters such as temperature and
relative humidity.
3.2 Standard atmosphere
The relevant parameters can be kept within the specified tolerance range;
before the test, the sample is placed within the specified time.