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JG/T 309-2011 English PDF

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JG/T 309-2011: Determination and classification of water-vapour transmission rate (permeability) for exterior wall coatings
Status: Valid
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JG/T 309-2011English339 Add to Cart 3 days [Need to translate] Determination and classification of water-vapour transmission rate (permeability) for exterior wall coatings Valid JG/T 309-2011

PDF similar to JG/T 309-2011


Standard similar to JG/T 309-2011

GB/T 35843   JG/T 481   JC/T 694   JG/T 534   JG/T 527   JGJ/T 309   

Basic data

Standard ID JG/T 309-2011 (JG/T309-2011)
Description (Translated English) Determination and classification of water-vapour transmission rate (permeability) for exterior wall coatings
Sector / Industry Building & Construction Industry Standard (Recommended)
Classification of Chinese Standard Q04
Classification of International Standard 91.100
Word Count Estimation 13,130
Date of Issue 2011-02-17
Date of Implementation 2011-08-01
Quoted Standard GB/T 3186-2006; GB/T 6682-2008; GB/T 13452.2-2008
Adopted Standard ISO 7783-2-1999, MOD
Regulation (derived from) Bulletin of the Ministry of Housing and Urban No. 929
Issuing agency(ies) Ministry of Housing and Urban-Rural Development of the People's Republic of China
Summary This standard specifies the method for measuring water vapor transmission exterior paint and classification of terms and definitions, principles, instruments and materials, specimen, procedures, results presentation, accuracy, grading and test reports. This standard applies to industrial and civil buildings of brick, stone, concrete and other porous substrates used in exterior paint. This standard does not apply to not film or affect the porosity of the porous substrate product.

JG/T 309-2011: Determination and classification of water-vapour transmission rate (permeability) for exterior wall 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.
Determination and classification of water-vapor transmission rate (permeability) for exterior wall coatings ICS 91.100 Q04 People's Republic of China building industry standards Exterior wall coatings - Determination of water vapor transmission rate and classification rate (permeability) forexteriorwalcoatings (ISO 7783-2..1999, MOD) 2011-02-17 released 2011-08-01 implementation Ministry of Housing and Urban-Rural Development, People's Republic of China released Directory Foreword Ⅲ 1 Scope 1 2 Normative references 1 3 Terms and definitions 1 4 principle 1 5 instruments and materials 1 6 specimen 2 Step 3 8 Results Presentation 4 9 accuracy 5 10 grading 5 11 Test Report 6 Appendix A (Normative) Test Cup 7 Appendix B (informative) sealed wax 8 Appendix C (informative) the same type of exterior wall coating thickness of the water vapor transmission rate conversion 9

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard uses the redrafted law to amend the use of ISO 7783-2..1999 "Paints and varnishes masonry and concrete exterior coatings and coatings System Part II. Determination and classification of water vapor transmission rate ", and ISO 7783-2..1999 The main technical differences are as follows. --- Increasing the preparation of the sample method; --- Added Appendix A, Appendix B and Appendix C; --- Supplementary sample test process; --- Modify the sample maintenance time; --- Modify the method of determination of dry film thickness. This standard proposed by the Ministry of Housing and Urban Standard and Design Institute. This standard by the Ministry of Housing and Urban Construction Building Products and Components Products Standardization Technical Committee. This standard is drafted by. Shanghai Institute of Building Research (Group) Co., Ltd. Participated in the drafting of this standard. Wacker Chemical Investment (China) Co., Ltd., Guangdong Longhu Technology Co., Ltd. Hepu (China) Co., Ltd. Division, AkzoNobel Swire Paints (Guangzhou) Co., Ltd., Hangzhou Zhijiang Silicone Chemical Co., Ltd. Shanghai Shanghai Europe Co., Ltd., Pompeii Czech paint (Shanghai) Co., Ltd., China Academy of Building Research. The main drafters of this standard. Zhao Min, Xu Ying, Zhu Qiuping, Sha Sheng Gang, Lin Xuan Yi, Lin Ke, Liu Shuanghua, Zhong Ruifeng, He Xiaoyu, Ye Qingfeng, Ma Jie, Zheng Su Qin. Exterior wall coatings - Determination of water vapor transmission rate and classification

1 Scope

This standard specifies the method and classification of water vapor transmission rate of exterior paint coatings Terms and definitions, principles, equipment and materials, specimens, steps Steps, results presentation, accuracy, grading and test reports. This standard applies to industrial and civil buildings brick, stone, concrete and other porous substrate used in exterior paint. This standard does not apply to non-filming or affect the porosity of porous substrate products.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version applies to this article Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 3186-2006 Paints, varnishes and raw materials for paints and varnishes - Sampling (ISO 15528..2000) GB/T 6682-2008 analytical laboratory water specifications and test methods (ISO 3696. 1987) GB/T 13452.2-2008 Paints and varnishes - Determination of film thickness (ISO 2808..2007)

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Water vapor transmission rate V water-vapourtransmissionrate At a certain temperature, the coating film on both sides of the relative humidity remains constant conditions, the unit of time, per unit area through the water vapor quality. 3.2 The same amount of air layer thickness Sd diffusion-equivalentairlayerthickness The thickness of the static air layer with the same water vapor permeability as the coating under the same conditions.

4 principle

Exterior wall coating water vapor transmission rate can be measured using the following methods. In the test cup filled with a quantitative saturated solution of ammonium dihydrogen phosphate so that "" GE GE GEOTOT "GEO" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "GE" "" Always "" "" "" "GE GE GEOTSIAOTAOTOTOTOT GE GE GE GESAST GE GEOFTOT GE GE GE GEOTS7070 GE GEO GEOOTOTERSON GE GE GEOOTOTERSON GE GE GEO GEOOTOTOR GEOOTOROTOTOTOTOT GE GE GEOOTOTERSON GE GE GEOOTOTERSON GEOOTOTERSON GE GE GE GE GE GEOTOTOT GE GEOOTOT70 GEOOTOTOTOTOT GE GE GEO Substrate to close the test cup. "GE GE GE GE GE GEO GEO" "" "" "" "" "" "" "" "GE Marran" "" "KM Marlick GEOOTOTOTOT GE GE GE GE707070 GE GE GE GE GE GE70-0870-08 GE GE GE GE707870 GEOOTOT" "" "" "" "" "" "" "GE GE Organism" "" "" "" "" "" "" "" "" "" "" "" " Call at the appropriate time interval When the mass change is proportional to the change of the time interval, the water vapor transmission rate can be determined by the change of mass.

5 instruments and materials

5.1 test cup Should comply with the provisions of Appendix A. 5.2 Sealants See Appendix B.

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