GB/T 31034-2024 English PDFUS$369.00 · In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 31034-2024: Insulating back sheet for crystalline silicon photovoltaic(PV) modules Status: Valid GB/T 31034: Historical versions
Basic dataStandard ID: GB/T 31034-2024 (GB/T31034-2024)Description (Translated English): Insulating back sheet for crystalline silicon photovoltaic(PV) modules Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: K15 Classification of International Standard: 29.035.99 Word Count Estimation: 18,199 Date of Issue: 2024-09-29 Date of Implementation: 2025-04-01 Older Standard (superseded by this standard): GB/T 31034-2014 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 31034-2024: Insulating back sheet for crystalline silicon photovoltaic(PV) modules---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.National Standard of the People's Republic of China ICS 29.035.99CCS K 15 Insulating backsheet for crystalline silicon solar cell modules Insulating back sheet for crystalline silicon photovoltaic (PV) modules 2024-09-29 Release 2025-04-01 Implementation State Administration for Market Regulation The National Standardization Administration issued Replaces GB/T 31034-2014 Table of ContentsPreface Ⅲ 1 Scope...1 2 Normative references ...1 3 Terms and Definitions 2 4 Categories...2 5 Requirements 2 6 Test methods 5 7 Inspection Rules...11 8 Marking, packaging, transportation and storage...11ForewordThis document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents" Drafting is required. This document replaces GB/T 31034-2014 "Insulating backsheet for crystalline silicon solar cell modules". Compared with GB/T 31034-2014, In addition to structural adjustments and editorial changes, the main technical changes are as follows. --Added co-extruded backsheet product types and performance requirements (see Chapter 4, Table 1); --Added "unit area mass and allowable deviation", "long-term heat resistance", "comparative tracking index (CTI)", "insulation penetration distance" (DTI) “transmittance” and “reflectance” performance requirements (see Table 1); --Differentiate the “maximum system voltage” requirement into DC 1000 V and DC 1500 V (see Table 1, Table 1 of the.2014 edition); --Change the UV aging radiation dose from "60 kWh/m2, 45 kWh/m2 and 30 kWh/m2" to "UV300 kWh/m2, UV200 kWh/m2 and UV120 kWh/m2” (see Table 1, Table 3 of the.2014 edition); --Change "Record the median value of the data results and report the minimum value" in "Thickness" to "Record the average value of the results, accurate to 1 μm" (See 6.3, 6.3 of the.2014 edition); --Deleted the provision of "this method is preferred" for the electrolytic sensor method in the test method "water vapor transmission rate" (2014 edition 6.5.1); --Change the tensile speed in "Tensile Strength and Elongation at Break" from 100 mm/min to 50 mm/min, and take the test results in the middle The value is changed to the average value (see 6.8, 6.6 of the.2014 edition); -- "Interlayer peel strength [composite]", "backsheet/encapsulation film peel strength", "backsheet/silicone peel strength" and "UV resistance The median value of the test results in "UV (Aging)" was changed to the average value (see 6.9, 6.11, 6.12 and 6.26,.2014 edition) 6.7, 6.9, 6.10 and 6.20); --Added the corresponding test requirements of "breakdown voltage" and "elongation at break" in "resistance to moisture and heat aging" and "resistance to ultraviolet (UV) aging" The size and quantity of the specimens specified (see 6.25 and 6.26); --Deleted the content in "Abrasion resistance" that complies with the requirements of JTG E40-2007 and JTG E60-2008 (6.23 of the.2014 edition). Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents. This document was proposed by the China Electrical Equipment Industry Association. This document is under the jurisdiction of the National Technical Committee for Standardization of Insulation Materials (SAC/TC 51). This document was drafted by. Suzhou Saiwu Application Technology Co., Ltd., Tongwei Solar Energy (Chengdu) Co., Ltd., Jiangsu Zhonglai New Materials Science and Technology Technology Co., Ltd., JA Solar Technology Co., Ltd., Suzhou Gutai New Materials Co., Ltd., Guilin Saimeng Testing Technology Co., Ltd. Co., Ltd., Mingguan New Materials Co., Ltd., Guilin Electric Science Research Institute Co., Ltd., Lucky Film Co., Ltd., Sichuan Dongcai New Materials Jiangsu Yuxing Thin Film Technology Co., Ltd., Guangzhou Baolida Electrical Materials Co., Ltd., Guangdong Shunde Dadiyuan New Materials Co., Ltd. Materials Co., Ltd., Weikai Testing Technology Co., Ltd., Changzhou Baijia Era Film Technology Co., Ltd., Zhejiang Zhongju Materials Co., Ltd. Hangzhou Heshun Technology Co., Ltd., Wuxi Inspection, Testing and Certification Institute, Longi Green Energy Technology Co., Ltd., CEC Solar Solar Energy Technology (Zhenjiang) Co., Ltd., Zhejiang JinkoSolar Co., Ltd., China Construction Second Engineering Bureau Co., Ltd., China Huaneng Group Clean Energy Co., Ltd. Energy Technology Research Institute Co., Ltd., Jinan Sike Testing Technology Co., Ltd., China University of Metrology, Zhejiang Aixu Solar Technology Co., Ltd. Company, Shangmai (Zhenjiang) New Energy Technology Co., Ltd., Shenzhen Yuntong Tianxia Technology Co., Ltd., Suqian Taijing New Materials Technology Co., Ltd., Hangzhou Xinzi Optoelectronics Technology Co., Ltd., Hangzhou Suori Intelligent Equipment Co., Ltd., Jiangsu Meike Solar Technology Co., Ltd., Zhongshan City Shibao New Energy Co., Ltd., Jiujiang Honglida Composite Materials Manufacturing Co., Ltd., Jiaxing Fuying Composite Materials Co., Ltd., Tangshan Haitai New Energy Technology Co., Ltd., China Southern Power Grid Co., Ltd. Ultra-high Voltage Transmission Company, Guangdong Power Grid Co., Ltd. Electric Power Research Institute Research Institute, Shenzhen Power Supply Bureau Co., Ltd., and Shenzhen Tongtaiying Technology Co., Ltd. The main drafters of this document are. Wu Xiaoping, Wang Mingjun, Wei Chen, Tang Chao, Dai Jianfang, Luo Chuanyong, Meng Zhao, Xia Zhengyue, Zhang Fute, Zhang Peng, Zhao Jie, Tian Jianyong, Zhang Jun, Li Huafeng, Zhou Xu, Cai Shuyi, Li Jiexia, Zhou Shudong, Zhang Mengqiang, Fan Heqiang, Liu Yi, Lü Jun, Huang Guoping, Dai Jian, Zhang Mao, Zhao Dongming, Zhang Muqing, Zhu Peiwu, Yan Dengzhou, Lu Jiayan, Wang Yongqian, Wang Weili, Li Menglei, Chen Lifeng, Ma Lei, Ma Jianhua, Song Jinshuai, Yi Cailu, Zhang Yuejun, Fang Yan, Wang Yicheng, Li Qiyun, Ke Zhen, Ye Weimin, Li Jiwei, Deng Jun, Fu Qiang, Zhang Li, Peng Lei, Zhao Yaohong, Li Mengyuan, Liu Lifang, Tang Feng, and Hu Yubo. The previous versions of this document and the documents it replaces are as follows. --First published in.2014 as GB/T 31034-2014; --This is the first modification. Insulating backsheet for crystalline silicon solar cell modules1 ScopeThis document specifies the classification, requirements, inspection rules, marking, packaging, transportation and storage of insulating backsheets for crystalline silicon solar cell modules. The corresponding test methods are described. This document applies to insulating backsheets for crystalline silicon solar cell modules (hereinafter referred to as "backsheets").2 Normative referencesThe contents of the following documents constitute the essential clauses of this document through normative references in this document. For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to This document. GB/T 191 Pictorial markings for packaging, storage and transportation GB/T 1408.1-2016 Test methods for electrical strength of insulating materials Part 1.Tests at power frequency GB/T 2410-2008 Determination of light transmittance and haze of transparent plastics GB/T 2423.17 Environmental testing for electric and electronic products Part 2.Test methods Test Ka. Salt spray GB/T 2790 Adhesive 180° peel strength test method Flexible material to rigid material GB/T 2900.5 Electrical terminology. insulating solids, liquids and gases GB/T 3979-2008 Measurement method of object color GB/T 4207-2021 Determination of tracking resistance index and relative tracking index of solid insulating materials GB/T 5591.2-2017 Flexible composite materials for electrical insulation Part 2.Test methods GB/T 7921 Uniform color space and color difference formula GB/T 8808-1988 Peel test method for soft composite plastic materials GB/T 9286 Paint and varnish cross-cut test GB/T 11026.1 Heat resistance of electrical insulating materials Part 1.Aging procedures and evaluation of test results GB/T 13542.2-2021 Films for electrical insulation Part 2.Test methods GB/T 16935.1-2023 Insulation coordination for equipment in low voltage power supply systems Part 1.Principles, requirements and tests GB/T 21529 Determination of water vapor transmission rate of plastic films and sheets - Electrolytic sensor method GB/T 23988 Determination of abrasion resistance of coatings - Falling sand method GB/T 23989-2009 Determination of solvent resistance of coatings GB/T 26253 Plastic film and sheeting - Determination of water vapor transmission rate - Infrared detector method GB/T 31838.2 Dielectric and resistance properties of solid insulating materials Part 2.Resistance properties (DC method) Volume resistance and volume Resistivity IEC 61215-2.2021 Terrestrial crystalline silicon photovoltaic modules design qualification and type approval Part 2.Test procedures [Terrestrial IEC 61730-1.2023 Photovoltaic (PV) module safety certification Part 1.Structural requirements safety qualification-Part 1：Requirements for construction] ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 31034-2024_English be delivered?Answer: Upon your order, we will start to translate GB/T 31034-2024_English as soon as possible, and keep you informed of the progress. 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Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.Question 5: Should I purchase the latest version GB/T 31034-2024?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 31034-2024 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically. |
