ASTM E2355-2010 Standard Test Method for Measuring the Uniformity of an Absorptive Electrochromic Coating on a Glazing Surface《测量玻璃制品表面的吸收性电变色镀层一致性的标准试验方法》.pdf
《ASTM E2355-2010 Standard Test Method for Measuring the Uniformity of an Absorptive Electrochromic Coating on a Glazing Surface《测量玻璃制品表面的吸收性电变色镀层一致性的标准试验方法》.pdf》由会员分享,可在线阅读,更多相关《ASTM E2355-2010 Standard Test Method for Measuring the Uniformity of an Absorptive Electrochromic Coating on a Glazing Surface《测量玻璃制品表面的吸收性电变色镀层一致性的标准试验方法》.pdf(7页珍藏版)》请在麦多课文档分享上搜索。
1、Designation: E2355 10Standard Test Method forMeasuring the Visible Light Transmission Uniformity of anAbsorptive Electrochromic Coating on a Glazing Surface1This standard is issued under the fixed designation E2355; the number immediately following the designation indicates the year oforiginal adopt
2、ion or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope1.1 The test described is a method for measuring theuniformity of an absorpti
3、ve electrochromic coating (ECC) in astatic colored or bleached state on a glazing surface, which isor will be one of two or more glazings in a preassembledpermanently sealed insulating glass unit (IGU).1.2 The test method is applicable only for layered (one ormore active coatings between the TCOs) a
4、bsorptive ECCs onvision glass (superstrate and substrate) areas planned for use inbuildings, such as glass doors, windows, skylights, and exteriorwall systems. The layers used for electrochromically changingthe optical properties may be inorganic or organic materialsbetween the superstrate and subst
5、rate and may include lami-nates.1.3 The test method is not applicable to other types ofcoatings on vision glass with other chromogenic coatings thatcannot be held in a static colored or bleached state.1.4 The test method is not applicable to IGUs that will beconstructed from superstrate or substrate
6、 materials other thanglass.1.5 The test method is not applicable for measuring theuniformity of ECC coatings during the coloring or bleachingprocesses.1.6 The values stated in SI units are to be regarded asstandard. No other units of measurement are included in thisstandard.1.7 There is no comparabl
7、e International Standards Organi-zation Standard.1.8 This standard does not purport to address all of thesafety concerns, if any, associated with its use. It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of re
8、gulatory requirements prior to use.2. Referenced Documents2.1 ASTM Standards:2C168 Terminology Relating to Thermal InsulationC1048 Specification for Heat-Treated Flat GlassKind HS,Kind FT Coated and Uncoated GlassE2141 Test Methods for Assessing the Durability of Ab-sorptive Electrochromic Coatings
9、on Sealed InsulatingGlass UnitsE2188 Test Method for Insulating Glass Unit PerformanceE2189 Test Method for Testing Resistance to Fogging inInsulating Glass UnitsE2190 Specification for Insulating Glass Unit Performanceand EvaluationE2240 Test Method for Assessing the Current-Voltage Cy-cling Stabil
10、ity at 90C (194F) of Absorptive Electrochro-mic Coatings on Sealed Insulating Glass UnitsE2241 Test Method for Assessing the Current-Voltage Cy-cling Stability at Room Temperature of Absorptive Elec-trochromic Coatings on Sealed Insulating Glass Units3. Terminology3.1 DefinitionsRefer to Terminology
11、 C168 for definitionsof general terms.3.2 Definitions of Terms Specific to This Standard:3.2.1 bleached statea descriptor for an EC coating whenno ions reside in the electrochromic layer or after ions havebeen removed (or inserted, depending on the type of material)from the electrochromic layer(s) a
12、nd if applicable, the maxi-mum number of ions have been returned to the counterelec-trode layer to restore the photopic optical specular transmit-tance in the bleached state (tb) from that of the photopic opticalspecular transmittance in the colored state (tc).3.2.2 colored statea descriptor for an
13、EC coating afterions have been inserted (or removed, depending on the type ofmaterial) into the electrochromic layer and, if applicable,1This test method is under the jurisdiction of ASTM Committee E06 onPerformance of Buildings and is the direct responsibility of Subcommittee E06.22on Durability Pe
14、rformance of Building Constructions.Current edition approved Oct. 1, 2010. Published November 2010. Originallyapproved in 2004. Last previous edition approved in 2004 as E235504. DOI:10.1520/E2355-10.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Servic
15、e at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.removed from the counterelectrode layer to red
16、uce the photo-pic optical specular transmittance (of wavelengths from 400nm to 730 nm) from that in the bleached state (tb).3.2.3 durabilitythe capability of maintaining the service-ability of a product, component, assembly, or construction overa specified time.3.2.4 electrochromic coating (ECC)the
17、multilayered ma-terials that include the electrochromic layers, other layers, andtransparent conducting oxide layers required for altering theoptical properties of the coating.3.2.5 electrochromic layer(s)the material(s) in an ECglazing that alter its optical properties in response to theinsertion o
18、r removal of ions, for example, Li+or H+.3.2.6 electrochromic (EC) glazinga device with an ECCconsisting of several layers of electrochromic and attendantmaterials and one or more lites of glass, which are able to altertheir optical properties in response to a change in an appliedelectric field. The
19、 changeable optical properties include trans-mittance, reflectance, and absorptance result in changes in thesolar heat gain, visible transmittance, and U-factor of the glass.3.2.7 fenestrationany opening in a buildings envelopeincluding windows, doors, and skylights.3.2.8 performance parametersthe p
20、hotopic transmittanceratio (PTR) between the bleached and colored states; coloringand bleaching times; and open-circuit memory.3.2.9 photopic transmission ratio (PRT)the ratio of thephotopic transmission in the highest transmission, bleachedstate (tb) to the photopic transmission in the lowest trans
21、mis-sion (colored) state, (tc). PTR= tb/ tc.3.2.10 sealed insulating glass unitis defined in Specifica-tion E2190 but see also Appendix X1, Section X1.3.3.2.11 serviceabilitythe capability of a building product,component, assembly, or construction to perform the func-tion(s) for which it was designe
22、d and constructed.3.2.12 uniformitythe variation in visible light transmis-sion within an EC glazing.3.3 For additional useful definitions for terminology used inthis standard, see Appendix X1, Section X1.3.4. Significance and Use4.1 The ECCs used in the test method will ultimately beexposed (Test M
23、ethod E2141) to solar radiation and deployedto control the amount of radiation by absorption and reflectionand thus, limit the solar heat gain and amount of solar radiationthat is transmitted into the building.4.2 The test method referenced herein is a laboratory testconducted under specified condit
24、ions. This test method isintended for use in assessing the changes in uniformity of anECC on vision glass and subjected to a series of tests forassessing the durability of the coating or the IGU unit, or both.4.3 The useful life of IGUs with an absorptive ECC maydepend on their ability to maintain a
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