UL SUBJECT 5703-2007 OUTLINE OF INVESTIGATION FOR DETERMINATION OF THE MAXIMUM OPERATING TEMPERATURE RATING OF PHOTOVOLTAIC (PV) BACKSHEET MATERIALS (Issue 1)《光伏背板材料的最高工作温度额定值测定的调查.pdf
《UL SUBJECT 5703-2007 OUTLINE OF INVESTIGATION FOR DETERMINATION OF THE MAXIMUM OPERATING TEMPERATURE RATING OF PHOTOVOLTAIC (PV) BACKSHEET MATERIALS (Issue 1)《光伏背板材料的最高工作温度额定值测定的调查.pdf》由会员分享,可在线阅读,更多相关《UL SUBJECT 5703-2007 OUTLINE OF INVESTIGATION FOR DETERMINATION OF THE MAXIMUM OPERATING TEMPERATURE RATING OF PHOTOVOLTAIC (PV) BACKSHEET MATERIALS (Issue 1)《光伏背板材料的最高工作温度额定值测定的调查.pdf(16页珍藏版)》请在麦多课文档分享上搜索。
1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULDecember 20, 20071SUBJECT 5703OUTLINE OF INVESTIGATIONFORDETERMINATION OF THE MAXIMUM OPERATING TEMPERATURE RATINGOF PHOTOVOLTAIC (PV) BACKSHEET MATERIALSIssue Number: 1DECEMBER 20, 2007Summary o
2、f TopicsThis is the first issue of the Outline of Investigation for Determination ofthe Maximum Operating Temperature Rating of Photovoltaic (PV)Backsheet Materials.The UL Foreword is no longer located within the UL Outline of Investigation. Forinformation concerning the use and application of the r
3、equirements contained inthis Outline of Investigation, the current version of the UL Foreword is located onULStandardsInfoNet at: http:/ 2007 UNDERWRITERS LABORATORIES INC.UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULDECEMBER 20, 2007SUBJEC
4、T 57032No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULCONTENTS1 Scope .42 Glossary .43 Supplementary Test Procedures 54 General 55 Maximum Operating Temperature - Based Upon Historical Record 56 Apparatus - Ovens 77 Scope
5、of Test Programs - Selection of Test Properties 78 Property Evaluation Tests 78.1 Choice of end-point .78.2 Selection of oven temperatures 89 Selection of Control Material .910 Specimens 911 Full Thermal Aging (Long Term Thermal Aging) .1012 End-of-Life 1112.1 Primary properties 1112.2 Secondary pro
6、perties .1113 Proof Testing .1114 Analysis and Evaluation .1115 Abbreviated Thermal Aging One Temperature Aging and Two Temperature Aging 1215.1 General .1215.2 One temperature aging .1315.3 Two temperature aging .14DECEMBER 20, 2007 SUBJECT 5703 3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER R
7、EPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL1 Scope1.1 These requirements cover long-term test procedures to be used for the evaluation of photovoltaicbacksheet materials used for parts intended for specific applications in end products.2 Glossary2.1 For the purpose of these requirements, t
8、he following definitions apply.2.2 ADHESIVE A gelatinous substance such as glue or cement used to join, bond, or fastenindividual photovoltaic backsheet layer materials together to form a laminate.2.3 AS-RECEIVED Specimens or samples in an unconditioned state, prior to being subject toconditioning,
9、or without a history of conditioning.2.4 COATING A non-metallic substance applied to the surface of the photovoltaic backsheetmaterial.2.5 CONSTRUCTION A term which refers to photovoltaic backsheet material that can be either ahomogeneous material or more commonly a laminated assembly of film materi
10、als, typically including anexterior layer, core layer and/or interior layer, adhesive layers, and surface coatings.2.6 CONDITIONING Exposure of test samples to an environment for a period of time, prior to, orafter testing and prior to evaluation.2.7 DELAMINATION A planar separation of materials (i.
11、e., separation between adjacent photovoltaicbacksheet layers).2.8 END PRODUCT An individual part or assembly in its final completed state.2.9 FILM A sheet material having a nominal thickness not greater than 0.25 mm (0.010 in).2.10 GRADE A designation arbitrarily assigned to a material by the fabric
12、ator.2.11 LAMINATE The product of bonding two or more layers of material.2.12 MAXIMUM OPERATING TEMPERATURE (MOT) The maximum continuous use temperaturethat the material may be exposed to under normal operating conditions.2.13 RELATIVE THERMAL INDEX (RTI) Maximum service temperature for a specified
13、criticalproperty which will not be unacceptably compromised through chemical thermal degradation, over thereasonable life of an electrical product, relative to a reference material having a confirmed, acceptablecorresponding performance-defined RTI.2.14 SAMPLE A test vehicle which may be a productio
14、n material, or a portion thereof, or a coupon.DECEMBER 20, 2007SUBJECT 57034UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL3 Supplementary Test Procedures3.1 The Standard for Polymeric Materials - Short Term Property Evaluations, UL 746A, con
15、tainsshort-term test procedures to be used for the evaluation of materials used for parts intended for specificapplications in electrical end products. The Standard for Polymeric Materials - Long Term PropertyEvaluations, UL 746B, contains long-term test procedures for the thermal evaluations of mat
16、erials forspecific applications in electrical end products. The Standard Test Method for Peel Resistance ofAdhesives (T-Peel Test), ASTM D 1876-01, contains short-term test procedures to characterize the peelresistance between film materials used for parts intended for specific applications in elect
17、rical endproducts.4 General4.1 The maximum operating temperature (MOT) is an indication of the materials ability to retain criticalproperties when exposed to elevated temperatures for an extended period of time.5 Maximum Operating Temperature - Based Upon Historical Record5.1 Table 5.1 presents a li
18、st of material ratings derived from Table 7.1 of the Standard for PolymericMaterials - Long Term Property Evaluations, UL 746B, each of which is assigned a maximum operatingtemperature based upon acceptable service experience, the chemical structure of the material, and aknowledge of the performance
19、 of the material in tests of insulating systems and electrical equipment. Theassigned maximum operating temperature is applicable to each member of the generic material class.5.2 Unless otherwise indicated in Table 5.1, the generic maximum operating temperature of a material isto be considered 50C (
20、122F).5.3 Unless otherwise indicated in Table 5.1, the generic maximum operating temperature of a material isindependent of thickness and pigmentation.Table 5.1Maximum operating temperatures based upon UL 746B generic relative thermal indices basedupon past field-test performance and chemical struct
21、ureaMaterial ISO designationMaximum operatingtemperature based on UL746B generic thermal indexCPolyamide (Type 6, 11, 12, 66, 610, or 612 nylon)b(PA) 65Polycarbonateb(PC) 80Polyethylene terephthalate - (PET)molding resinb75Film ( 0.010 in, 0.25 mm) (PET) 105Polybutylene (polytetramethylene) terephth
22、alateb(PBT) 75Polyphenylene oxidej(PPE - PS) 65Polypropyleneb,h(PP) 65Polyetherimideg 105Polyphenylene sulfideb(PPS) 130Polyimide film (0.25 mm, 0.010 in max) (PI) 130Molded phenolicc(PF) 150Molded melaminec,dand Molded melamine/phenolicc,d-specific gravity 1.55 130DECEMBER 20, 2007 SUBJECT 5703 5Ta
23、ble 5.1 Continued on Next PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULTable 5.1 ContinuedMaterial ISO designationMaximum operatingtemperature based on UL746B generic thermal indexCspecific gravity 1.55 150Polytetrafluoroethylene (PTFEI
24、) 180Polychlorotrifluoroethylene (PCTFE) 150Fluorinated ethylene propylene (FEP) 150Urea Formaldehydec(UF) 100Acrylonitrile - butadiene - styreneb(ABS) 60Silicone - molding resinc,d 150Silicone rubber -molding resin (SIR) 150room-temperature vulcanizingor heat-cured paste(RTV) 105Epoxy - molding res
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