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JG/T 25-2017 PDF English

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JG/T 25-2017: Test method for temperature change resistance of architectural coatings
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JG/T 25: Historical versions

Std IDVersionUSDBuyDeliver [PDF] inTitle (Description)
JG/T 25-2017English149 Add to Cart 3 days [Need to translate] Test method for temperature change resistance of architectural coatings
JG/T 25-1999English159 Add to Cart 2 days [Need to translate] Determinatin for freeze-thaw resistance of film of building coatings

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Basic data

Standard ID JG/T 25-2017 (JG/T25-2017)
Description (Translated English) Test method for temperature change resistance of architectural coatings
Sector / Industry Building & Construction Industry Standard (Recommended)
Classification of Chinese Standard P32
Classification of International Standard 91.120.01
Word Count Estimation 5,538
Date of Issue 2017-05-27
Date of Implementation 2017-12-01
Older Standard (superseded by this standard) JG/T 25-1999
Quoted Standard GB/T 3186; GB/T 9271; JG/T 23
Regulation (derived from) Housing and Urban-Rural Development Bulletin 2017 No. 1566
Issuing agency(ies) Ministry of Housing and Urban-Rural Development of the People's Republic of China
Summary This standard specifies the test methods of temperature resistance of architectural coatings. This standard applies to architectural coatings coating temperature degeneration test.

JG/T 25-2017: Test method for temperature change resistance of architectural coatings


---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Test method for temperature change resistance of purpose coatings ICS 91.120.01 P32 People's Republic of China Construction Industry Industry Standard Replacing JG/T 25-1999 Temperature-varying test method for architectural coating coatings Published on.2017-05-27 2017-12-01 implementation The People's Republic of China Ministry of Housing and Urban-Rural Development issued Directory Preface I 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Instruments and Equipment 1 5 Test plate preparation and maintenance 1 6 Test method 2 7 Results assessment 2 8 Test report 2

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard replaces JG/T 25-1999 “Test Method for Resistance to Freeze-Thaw Cycling of Architectural Coatings”. Compared with JG/T 25-1999, mainly The technical changes are as follows. --- Increased the definition of temperature resistance (see 3.1); --- Modify the relevant requirements of the balance (see 4.4); --- Modify the test substrate (see 5.2); --- Modified test plate preparation (see 5.3); --- Modified test board maintenance (see 5.4); --- Improve the test method (see 6). This standard is proposed by the Institute of Standardization of Housing and Urban-Rural Development Standards. This standard is under the jurisdiction of the Standardization Technical Committee for Building Products and Components of the Ministry of Housing and Urban-Rural Development. This standard is drafted by. Beijing Institute of Construction Engineering Co., Ltd. Participated in the drafting of this standard. Beijing Building Materials Inspection and Research Institute Co., Ltd., Beijing Construction Engineering Quality Inspection Institute Limited liability Responsible for the company, Beijing Jinyu Paint Co., Ltd., China Building Materials Testing & Certification Group Co., Ltd., Beijing Tianshan New Material Technology Co., Ltd. Limited liability company, Foster New Material Technology Development Co., Ltd. The main drafters of this standard. Wang Wanjin, He Kui, Dong Quanjun, Lai Zhenfeng, Tian Ruixia, Peng Hongjun, Kong Xiangrong, Liu Junyuan, Jia Fangfang, Zhu Ning, Xia Yibing, Wang Jing, Gong Wen, Liu Donghua, Zeng Zhaokun, Zhang Yuhui. The previous versions of the standard replaced by this standard are. ---JG/T 25-1999. Temperature-varying test method for architectural coating coatings

1 Scope

This standard specifies the test method for temperature change resistance of architectural coatings. This standard applies to the temperature change test of architectural coating coatings.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article Pieces. For undated references, the latest version (including all amendments) applies to this document. GB/T 3186 Paints, varnishes, and raw materials for paints and varnishes GB/T 9271 standard paint and varnish test board Preparation of JG/T 23 Coating Coating Test Plate

3 Terms and Definitions

The following terms and definitions apply to this document. 3.1 Temperature change resistance temperaturechangeresistance The coating is subjected to the ability to alternately change the temperature of the hot and cold to maintain its original properties.

4 Instruments and Equipment

4.1 Cryobox. The temperature is controlled within the range of (-20 ± 2) °C. 4.2 Incubator. The temperature is controlled within the range of (50 ± 2) °C. 4.3 constant temperature water tank. temperature control within (23 ± 2) °C range. 4.4 Balance. Weighing range 500g, sense of volume 0.01g.

5 Test plate preparation and maintenance

5.1 Sampling Sampling shall be conducted in accordance with the provisions of GB/T 3186. 5.2 Test substrate 5.2.1 Non-asbestos cement slabs shall be used and shall comply with the provisions of GB/T 9271. 5.2.2 Substrate size. 150mm ×.200mm × (4 ~ 6) mm. Substrate quantity. 4 pieces in each group, including 3 test plates, leave sample plates 1 block. 5.3 Test Plate Preparation The preparation of test plates shall be conducted in accordance with the provisions of JG/T 23. ...

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