1、Designation:E218802 Designation: E2188 10An American National StandardStandard Test Method forInsulating Glass Unit Performance1This standard is issued under the fixed designation E2188; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revisi
2、on, 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 This test method covers procedures for testing the performance of preassembled permanently sealed insu
3、lating glass unitsor insulating glass units with capillary tubes intentionally left open.1.2 This test method is applicable only to sealed insulating glass units that are constructed with glass.1.3The unit construction used in this test method contains dimensions that are an essential component of t
4、he test. Different typesof glass, different glass thicknesses and different airspace sizes may affect the test results.1.4This test method is not applicable to sealed insulating glass units containing a spandrel glass coating due to testing limitations.1.5The values stated in SI units are to be rega
5、rded as the standard. The values given in parentheses are for information only.1.61.3 This test method is applicable to both double-glazed and triple-glazed insulating glass units. For triple-glazed insulatingglass units where both of the outer lites are glass and the inner lite is either glass or a
6、 suspended film.1.4 The unit construction used in this test method contains dimensions that are an essential component of the test. Differenttypes of glass, different glass thicknesses, and different airspace sizes may affect the test results.1.5 This test method is not applicable to sealed insulati
7、ng glass units containing a spandrel glass coating due to testinglimitations.1.6 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.1.7 This standard does not purport to address all of the safety concerns, if any, associated with
8、 its use. It is the responsibilityof the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatorylimitations prior to use.2. Referenced Documents2.1 ASTM Standards:2C162 Terminology of Glass and Glass ProductsC717 Terminology of Buildin
9、g Seals and SealantsC1036 Specification for Flat GlassE631 Terminology of Building ConstructionsE546 Test Method for Frost/Dew Point of Sealed Insulating Glass UnitsE2190 Specification for Insulating Glass Unit Performance and Evaluation3. Terminology3.1 Definition of Terms:3.1.1For definitions of t
10、erms found in this Standard, refer to Standard Terminology of Building Seals and Sealants, C717,Terminology of Glass and Glass Products, C162 and Terminology of Building Constructions, E631.3.1.1 For definitions of terms found in this standard, refer to Terminologies C162, C717, and E631.3.2 Definit
11、ions of Terms Specific to This Standard:3.2.1 frost/dew point, nthe temperature at which water, organic vapor, or other chemicals begin to appear on the interior glasssurface of a sealed insulating glass unit.1This test method is under the jurisdiction of ASTM Committee E06 on Performance of Buildin
12、gs and is the direct responsibility of Subcommittee E06.22 on DurabilityPerformance of Building Constructions.Current edition approved March 10, 2002. Published April 2002. DOI: 10.1520/E2188-02.Current edition approved Nov. 1, 2010. Published February 2011. Originally approved in 2002. Last previou
13、s edition approved in 2002 as E2188 02. DOI:10.1520/E2188-10.2For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at serviceastm.org. For Annual Book of ASTM Standards, Vol 15.02.volume information, refer to the standards Document Summary page on the AS
14、TM website.1This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Becauseit may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consu
15、lt prior editions as appropriate. In all cases only the current versionof the standard as published by ASTM is to be considered the official document.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.4. Significance and Use4.1 This test
16、 method is intended to provide a means for testing the performance of the sealing system and construction of sealedinsulating glass units.4.1.1 Sealed insulating glass units tested in accordance with this method may be suitable for structurally glazed applications.However, factors such as sealant lo
17、ngevity when exposed to long term ultraviolet light and the structural properties of the sealantmust be reviewed for these applications.4.1.2 Sealed insulating glass units tested in accordance with this method are not intended for continuous exposure to highrelative humidity conditions or long-term
18、immersion in water.5. Test Specimens5.1 Each test specimen shall measure 355 6 6mmby5056 6mm(14614 in. by 20 614 in.) 505 6 6 mm and shall becomposed of two or three lites of clear, tinted or coated annealed, heat-strengthened, tempered, or laminated glass.5.1.1 The double-glazed test samples shall
19、be fabricated with at least one lite of clear, uncoated glass. The triple-glazed testsamples shall be fabricated with at least one outer lite of clear, uncoated glass. The other outer lite shall be fabricated with a glasswhich allows easy viewing of the frost point.5.1.2 The thickness of the glass l
20、ites shall be between nominal 3.0 mm (18 in.) and a maximum of 6.0 mm (14 in.) 6.0 mmnominal.5.1.3 The airspaces for units with either two or three lites of glass shall be a minimum of 6.0 mm (14 in.) 6 0.8 mm (132 in.).5.1.4Triple pane6.0 6 0.8 mm.5.1.4 When testing to Specification E2190 the speci
21、men construction shall be as defined in that document.5.1.5 Triple-pane units where the intermediate airspace divider is a plastic film are acceptable.NOTE 1Overall unit thickness has some limits. Testing laboratories are usually able to accommodate 30 mm overall thickness. If testing thicker units,
22、contact the testing laboratory prior to manufacturing to ascertain their capabilities for testing thicker units.5.2 The thickness tolerance of the glass shall conform to Specification C1036.5.3 Each specimen shall be permanently and legibly marked with the designation of the manufacturer, the date o
23、f fabrication(month or quarter and year) and orientation intended in the field (for units constructed with coated glass).5.4 At least twelvenine specimens of identical component materials and construction shall be submitted for testing.5.5 During all stages of exposure and storage, the units shall b
24、e held in a vertical position with equal support to all panes andno compression loading.5.6 Selection of units six specimens for testing shall be made at random from the submitted specimens except forunitsspecimens damaged in transit. Damaged unitsspecimens shall not be tested.5.7 Test samplesspecim
25、ens representing insulating glass units that will be gas filled shall be fabricated using the same holesealing and gas filling techniques as those used for manufacturing. For example, if a gas-filling plug is used in manufacturing thenit must be used in the test units. The samples do not need to be
26、filled with gas providing that the gas is classified as inert. Testsamples representing products that are normally filled with an inert gas in production, may be submitted air filled for this testingas long as they have been manufactured with the same techniques as used in production.5.8 Test sample
27、sspecimens representing insulating glass units that include tubes intended to be left open shall be fabricated withone tube. These tubes shall be left open during testing. Test samples representing units that include tubes intended to be closedoff after shipping shall be fabricated with one tube. Th
28、ese tubes shall be closed at the exterior end prior to testing.5.9Test samples representing units that include muntins shall be fabricated with muntins dividing the sample into nine equalareas (3 by 3). See Fig. 1.6. Apparatus6.1 For Weather Cycle Phase:6.1.1 Weather Cycle Test Apparatus3The weather
29、 cycle test apparatus shall be essentially that shown in Figs. 2 and Figs. 1and32toprovide the required test conditions indicated in Section 8. Modifications to this test apparatus are acceptable providingthat the required test conditions are met.6.1.1.1 Ultraviolet Light Source :NOTE2(Warning:Warni
30、ngUltraviolet light sources used in this test method are harmful, especially to the eyes.Appropriate protective measuresmust be observed.)6.1.1.2 The source shall consist of two fluorescent black light ultraviolet lamps, Type F72T12BL/HO4(Note 3Note 2), for eachtest specimen located as shown in Fig.
31、 2Fig. 1.3Annual Book of ASTM Standards, Vol 04.11.3The apparatus is a modification of the device developed by the Institute for Research in Construction (IRC) of the National Research Council of Canada. One modificationwas to expose each test specimen to two ultraviolet lamps.4This test specificati
32、on is under development by ASTM Committee E06 on Performance of Buildings and is the direct responsibility of Subcommittee E06. 22onDurability Performance of Building Constructions.E2188 102NOTE3Rated average life at 3 h per start: 12000 h. Rated average life at 12 h per start: 18000 h. Useful lengt
33、h: 1625 mm (64 in.). Wattage: 85 W.Relative black light energy output is 190% that of F40BL lamp. UVA 340 nanometers.6.1.1.3Each lamp must be replaced when its ultraviolet light intensity falls below 10 W/m2Rated average life at 3 h per start: 12 000 h.Rated average life at 12 h per start: 18 000 h.
34、 Useful length: 1625 mm. Wattage: 85 W. Relative ultraviolet energy output is 190 % that of F40BLlamp (not high output), whenmeasured at 340 nm.6.1.1.3 Each lamp shall be replaced when its ultraviolet light intensity falls below 10 W/m2(1000 W/cm2) when measuredwith a long-wave ultraviolet meter5in
35、direct contact with the lamp.6.1.2 Protect the accelerated weathering chamber from overheating and from overcooling with protective devices.6.1.3 Equip the accelerated weather cycle chamber with one or more sensors and a continuous temperature recording deviceplaced in an area that monitorsmeasures
36、the averagerepresentative air temperature at any time inside the chamber.6.2 For High Humidity Phase:6.2.1 High Humidity Test ChamberA chamber of convenient dimensions capable of maintaining 60 6 3C (140 6 5F) and95 6 5% relative humidity. A chamber of convenient dimensions capable of maintaining 60
37、 6 3C and 95 6 5 % relativehumidity.6.2.2 The high humidity chamber shall be protected from overheating with a protective device.6.2.3 Equip high humidity chamber with one or more sensors and a continuous air temperature-recording device placed in anarea that monitors the average temperature in the
38、chamber.7. Preparation of Test Specimens7.1 Uncleanable stain or scum may remain on the exterior glass surface of the specimen after the accelerated weathering test.Measures shall be taken to have a clear view of the interior glass surface for detection of frost. For example, place a mask of plastic
39、tape 50 by 50 mm (2 by 2 in.)650 by 50 mm or larger, on the central region of both exterior glass surfaces before exposing theunit to weathering conditions. Remove the mask for frost/dew point measurement.7.2 The sealed insulating glass units shall be sealed a minimum of 4 weeks from date of manufac
40、ture to allow for stabilizationbefore testing. The manufacturer has the optionshall be permitted to waive this requirement.8. Procedure for Seal Durability8.1 Initial Frost/Dew Point Test:8.1.1 Determine the initial frost/dew point on all airspaces on all units submitted using Test Method E546 or eq
41、uivalent.8.2 High Humidity Phase:8.2.1 Place the test specimens that were tested in accordance with 8.1 in the high humidity test apparatus. Expose six specimensin the high-humidity test chamber at 60 6 3C (140 6 5F) 60 6 3C and 95 6 5 % relative humidity. Arrange the specimens sothat each specimen
42、has at least 6 mm (14 in.) 6 mm clearance all around.8.2.2 When the specified time period (days) has been attained,7remove the test specimens. Allow the test specimens toequilibrate at 23 6 3C (73 6 5F) 23 6 3C for not less than 24 h. Determine the frost/dew point in accordance with Test MethodE546
43、or equivalent. For triple-pane units, the frost/dew point shall be determined for all airspaces. If liquid appears, record thetemperature at which it occurs.8.3 Weather Cycle Phase:8.3.1 Place the six test specimens tested in accordance with 8.1 and 8.2 in the weather cycle chamber. Mount the specim
44、ens sothat one exterior surface of the specimen is exposed to the weather cycles and the other to room temperature (23 6 3C) (73 65F). (23 6 3C). Install all specimens as shown in Fig. 21, taking care that no stress is induced in the test specimens by the methodof fastening.8.3.2 The test specimens
45、shall be oriented in the weather cycle chamber with the number one surface facing the weather changesas it does in normal field exposure.8.3.3 CyclingEach cycle shall be 6 h 6 5 min and composed of the following test conditions (see Fig. 43):8.3.3.1During the first 60 6 5 min, decrease the temperatu
46、re from room temperature to 29 6 3C (20 6 5F).4Available from General Electric Company (GE), Nela Park, Cleveland, OH 44112, http:/.5The construction of the test units is optional and shall be determined by the test specifier. When testing to Specification E2190, the required unit construction is sp
47、ecifiedin that document.5The only suitable meter is the Blak-Ray UV Meter with J221 sensor cell. The sole source of supply of the apparatus known to the committee at this time is UVP, LLC,2066 West 11th Street, Upland, CA 91786. If you are aware of alternative suppliers, please provide this informat
48、ion to ASTM International Headquarters. Your commentswill receive careful consideration at a meeting of the responsible technical committee, which you may attend.6The apparatus is a modification of the device developed by the Institute for Research in Construction (IRC) of the National Research Coun
49、cil of Canada. One modificationwas to expose each test specimen to two black light lamps.6Scotch Plastic Tape #471 available from 3M Company, 3M Center, Commercial Office Supply Division, Bldg. 230-3 South-17, St. Paul, MN 55101, has been foundsuitable for this purpose.7Available from General Electric Company, Nela Park, Cleveland, OH 44112.7The amount of time under the high humidity test condition is optional and is at the discretion of the test specifier. When testing to Specification E2190, the amount oftime required is specified in
