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JG/T 255-2020: Sealed insulating glass unit with shading inside
Status: Valid JG/T 255: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| JG/T 255-2020 | English | 419 |
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Sealed insulating glass unit with shading inside
| Valid |
JG/T 255-2020
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| JG/T 255-2009 | English | 799 |
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Sealed insulating glass unit with shading inside
| Obsolete |
JG/T 255-2009
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PDF similar to JG/T 255-2020
Basic data | Standard ID | JG/T 255-2020 (JG/T255-2020) | | Description (Translated English) | Sealed insulating glass unit with shading inside | | Sector / Industry | Building & Construction Industry Standard (Recommended) | | Classification of Chinese Standard | Q33 | | Classification of International Standard | 81.040 | | Word Count Estimation | 18,141 | | Date of Issue | 2020-01-13 | | Date of Implementation | 2020-08-01 | | Issuing agency(ies) | Ministry of Housing and Urban-Rural Development of the People's Republic of China | JG/T 255-2020: Sealed insulating glass unit with shading inside---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.
Sealed insulating glass unit with shading inside
ICS 81.040
Q33
The People's Republic of China Construction Industry Industry Standard
Replace JG/T 255-2009
Built-in sunshade hollow glass products
2020-01-13 release
2020-08-01 Implementation
Issued by the Ministry of Housing and Urban-Rural Development of the People's Republic of China
Table of contents
Foreword Ⅰ
1 Scope 1
2 Normative references 1
3 Terms and definitions 2
4 Classification and marking 3
5 Materials, accessories and construction 4
6 Requirements 6
7 Test method 8
8 Inspection rules 10
9 Signs, labels and accompanying documents 12
10 Packaging, transportation and storage 12
Appendix A (informative appendix) The influence of the heat-insulating frame of the built-in sun-shading hollow glass product on the thermal performance 13
Appendix B (informative appendix) Optical and thermal properties of typical hollow glass products with built-in sunshades 14
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard replaces JG/T 255-2009 "Built-in sunshade hollow glass products", compared with JG/T 255-2009, the main technical changes
as follows.
---The structural classification of the built-in sunshade has increased the combination curtain (see 4.1.2);
---The operation mode of the built-in sunshade device has been fixed (see 4.1.3);
---Modified the marking method (see 4.2, 4.2 of the.2009 edition);
---Modified the material requirements for shading devices (see 5.1.2, 5.1.3 of the.2009 edition);
---Modified the requirements of equalizing pipe (see 5.1.3, 6.1.5, 5.1.2 of the.2009 edition);
---Added requirements for fire integrity and vacuum glass (see 5.1.1, 6.1.1, 6.1.2);
---The appearance quality and operating force requirements have been revised (see 6.2, 6.5, 6.1, 6.4 of the.2009 edition);
---Modified the dew point requirements (see 6.7, 6.6 in the.2009 edition);
---Accelerated durability test is modified into water and gas seal durability performance and gas seal durability performance (see 6.9, 6.11,.2009 edition
6.8);
---Increase the initial gas content requirements (see 6.10);
---The shading coefficient is changed to the solar heat gain coefficient (see 6.13, 6.9.2 in the.2009 edition);
---The daylighting performance is modified to visible light transmittance (see 6.14, 6.10 in the.2009 edition);
---Modified the sample specifications (see 7.1, 7.1 of the.2009 edition);
---Revised the corresponding test method (see Chapter 7, Chapter 7 of the.2009 edition).
This standard was proposed by the Standard Rating Institute of the Ministry of Housing and Urban-Rural Development.
This standard is under the jurisdiction of the Technical Committee for Standardization of Building Products and Components of the Ministry of Housing and Urban-Rural Development.
Drafting organizations of this standard. China Academy of Building Research Co., Ltd., Changshu Outec Building Energy Saving Technology Co., Ltd., Jiangsu Zhongcheng Construction
Materials Group Co., Ltd., National Safety Glass and Quartz Glass Quality Supervision and Inspection Center, Shanghai Jianke Inspection Co., Ltd., Symec (Guangzhou)
Industrial Co., Ltd., Building Energy Research Center of South China University of Technology, Jiangsu Academy of Building Research Co., Ltd., China Engineering Construction Standards
Chemical Association, Nanjing Ruigu Energy-saving Technology Co., Ltd., Jiangsu Saidile Energy-saving Technology Co., Ltd., Nanjing Nanyou Energy-saving Technology Co., Ltd., Hanshi
Building Materials Technology Co., Ltd., Guangdong Academy of Building Research Group Co., Ltd., Wuhan Outec Energy-saving Doors and Windows Co., Ltd., Henan Dragon
Wang Tempered Vacuum Glass Co., Ltd., Rod United (Beijing) Sunlight Technology Equipment Co., Ltd., Jiangyin Dingzhong New Energy Materials Co., Ltd.,
Jiangyin Wuyue Building Energy-saving Technology Co., Ltd., Zhejiang Yanhe New Materials Co., Ltd., Anhui Weishate Energy-saving Doors and Windows Co., Ltd., Qingdao
China Construction United Construction Engineering Co., Ltd.
The main drafters of this standard. Wang Hongtao, Liu Huitao, Jin Chengzhe, Wang Weidong, Ning Xiaolong, Wu Jie, Yue Peng, Wang Junyang, Wan Chenglong, Liang Xiaoming,
Meng Qinglin, Jiang Meiqin, Tang Yajun, Li Guangming, Fan Xiaoxiang, Chen Weining, Su Zhiyang, Liu Danni, Liang Jiajin, Tian Yongqing, Yan Zhaoyi, Zhang Hu, Huang Ting,
Ge Peixin, Zhang Xichen, Liu Biwu, Yuan Yonglin.
The previous versions of the standard replaced by this standard are as follows.
---JG/T 255-2009.
Built-in sunshade hollow glass products
1 Scope
This standard specifies the terms and definitions, classification and marking, materials, accessories and structure, requirements, test parties for built-in sunshade hollow glass products
Law, inspection rules, signs, labels and accompanying documents, packaging, transportation and storage.
This standard applies to built-in sun-shading hollow glass products such as doors and windows, curtain walls, daylighting roofs, partitions, etc.
2 Normative references
The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this article
Pieces. For undated references, the latest version (including all amendments) applies to this document.
GB/T 191 Packaging, storage and transportation pictorial signs
GB/T 2680 Architectural glass visible light transmittance, direct sunlight transmittance, total solar transmittance, ultraviolet transmittance and
Measurement of closing glass parameters
GB/T 5237 (all parts) aluminum alloy construction profiles
GB/T 8484 Classification and testing method of insulation performance of exterior doors and windows of buildings
GB/T 8814 Unplasticized polyvinyl chloride (PVC-U) profiles for doors and windows
GB/T 9969 General Rules for the Use of Industrial Products
GB/T 11944 insulating glass
GB/T 13560 Sintered NdFeB permanent magnet material
GB 15763.1 Building Safety Glass Part 1.Fireproof Glass
GB/T 18915.2 Coated Glass Part 2.Low-E Coated Glass
CB867 General technical requirements for plastic parts
JC/T 941 Glass fiber reinforced plastic pultruded profile for doors and windows
JC/T 1079 Vacuum glass
JC/T 2072-2011 Desiccant for insulating glass
JG/T 241 Test method for mechanical durability of building sunshade products
JG/T 242 Operating force test method for building sunshade products
JG/T 251 Metal sun-shading blinds for building
JG/T 254 Soft sunshade roller blind for building
JG/T 274 General technical requirements for building shading
JG/T 278 Motor for building sunshade products
JG/T 399 Terminology of Building Shading Products
JG/T 440 Building door and window shading performance test method
JG/T 455 Tempered glass for building doors, windows and curtain walls
JG/T 499 Non-metallic blinds for building sunshade
JG J113 Technical Specification for Application of Building Glass
JG J/T 151 Thermal calculation rules for building doors and windows and glass curtain walls
QB/T 2424 double-sided adhesive tape
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