1、Designation: D4811/D4811M 06 (Reapproved 2013)1D4811/D4811M 16Standard Specification forNonvulcanized (Uncured) Rubber Sheet Used as RoofFlashing1This standard is issued under the fixed designation D4811/D4811M; the number immediately following the designation indicates theyear of original adoption
2、or, in the case of revision, the year of last revision. A number in parentheses indicates the year of lastreapproval. A superscript epsilon () indicates an editorial change since the last revision or reapproval.1 NOTEUnits information was editorially corrected in November 2013.1. Scope1.1 This speci
3、fication covers nonvulcanized (uncured) rubber sheet made of EPDM (ethylene-propylene-diene terpolymer) orCR (polychloroprene) intended for use as watertight roof flashing exposed to the weather.1.2 The tests and property limits used to characterize these flashing materials are specific for each cla
4、ssification and areminimum values to make the product fit for its intended purpose.1.3 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in eachsystem may not be exact equivalents; therefore, each system shall be used independently
5、of the other. Combining values from thetwo systems may result in non-conformance with the standard.1.4 In-place roof system design criteria, such as fire resistance, field seaming strength, material compatibility, and upliftresistance, among others, are beyond the scope of this specification.1.5 The
6、 following precautionary caveat pertains to the test methods portion only, Section 8, of this specification: This standardmay involve hazardous materials, operations, and equipment. This standard does not purport to address the safety concernsassociated with its use. It is the responsibility of the
7、user of this standard to establish appropriate safety and health practices anddetermine the applicability of regulatory limitations prior to use.2. Referenced Documents2.1 ASTM Standards:2D412 Test Methods for Vulcanized Rubber and Thermoplastic ElastomersTensionD471 Test Method for Rubber PropertyE
8、ffect of LiquidsD518 Test Method for Rubber DeteriorationSurface Cracking (Withdrawn 2007)3D573 Test Method for RubberDeterioration in an Air OvenD624 Test Method for Tear Strength of Conventional Vulcanized Rubber and Thermoplastic ElastomersD1079 Terminology Relating to Roofing and WaterproofingD1
9、149 Test Methods for Rubber DeteriorationCracking in an Ozone Controlled EnvironmentD1204 Test Method for Linear Dimensional Changes of Nonrigid Thermoplastic Sheeting or Film at Elevated TemperatureD1418 Practice for Rubber and Rubber LaticesNomenclatureD2137 Test Methods for Rubber PropertyBrittle
10、ness Point of Flexible Polymers and Coated FabricsD3182 Practice for RubberMaterials, Equipment, and Procedures for Mixing Standard Compounds and Preparing StandardVulcanized SheetsG151 Practice for Exposing Nonmetallic Materials in Accelerated Test Devices that Use Laboratory Light SourcesG154 Prac
11、tice for Operating Fluorescent Ultraviolet (UV) Lamp Apparatus for Exposure of Nonmetallic MaterialsG155 Practice for Operating Xenon Arc Light Apparatus for Exposure of Non-Metallic Materials1 This specification is under the jurisdiction of ASTM Committee D08 on Roofing and Waterproofing and is the
12、 direct responsibility of Subcommittee D08.18 onNonbituminous Organic Roof Coverings.Current edition approved Nov. 1, 2013Aug. 1, 2016. Published November 2013August 2016. Originally approved in 1990. Last previous edition approved in 20062013as D4811 06.D4811/D4811M 06 (2013)1. DOI: 10.1520/D4811_D
13、4811M-06R13E01.10.1520/D4811_D4811M-16.2 For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at serviceastm.org. For Annual Book of ASTM Standardsvolume information, refer to the standards Document Summary page on the ASTM website.3 The last approved ve
14、rsion of this historical standard is referenced on www.astm.org.This 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
15、changes accurately, ASTM recommends that users consult 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
16、. United States13. Classification3.1 The following types are used to identify the principal polymer components of the flashing material (see Note 1):3.1.1 Type IEthylene-Propylene-Diene Terpolymer (EPDM).3.1.2 Type IIChloroprene Polymer (CR).NOTE 1For definitions of polymer types, see Practice D1418
17、. For definitions of terms related to roofing, see Terminology D1079.3.2 The following classes describe the ability to vulcanize on the roof:3.2.1 Class VVulcanizing.3.2.2 Class NVNonvulcanizing.NOTE 2Class V compounds continue to vulcanize (that is, cure) after emplacement on the roof. Class NV ind
18、icates non-vulcanizable compounds.4. Materials and Manufacture4.1 The flashing material shall be formulated from the appropriate polymer type and other compounding ingredients. Theprincipal polymer in the flashing material shall be one of those listed in 3.1 and greater than 95% of the total polymer
19、.4.2 The flashing material shall be capable of being bonded to itself, to the roofing membrane, and to substrate for makingwatertight field splices and repairs. The manufacturer or fabricator shall recommend suitable bonding methods and materials.5. Physical Property Requirements5.1 Class V flashing
20、 material shall conform to the physical property requirements prescribed in Table 1 and Table 2. Class NVflashing material shall conform to the physical property requirements prescribed in Table 1.5.2 Other requirements shall be agreed upon between the purchaser and the supplier as part of the purch
21、ase contract.6. Dimensions and Permissible Variations6.1 The width and length shall be agreed upon between the purchaser and the supplier as part of the purchase contract.6.1.1 The width and length tolerance shall be +3 % and 0 %.6.2 Sheet thicknesses greater than minimum shall be agreed upon betwee
22、n the purchaser and the supplier as part of the purchasecontract.6.2.1 The thickness tolerance shall be +15 % and 10 % of the specified thickness, but in no case shall the thickness be less thanthe minimum listed in Table 1.7. Workmanship, Finish, and Appearance7.1 The flashing material shall be vis
23、ually free of pinholes, particles of foreign matter, undispersed raw materials, or othermanufacturing defects that might affect serviceability.7.2 If the number of irregularities appear excessive on a sheet (or portion thereof), then its rejection should be negotiatedbetween involved parties.TABLE 1
24、 Property Requirements for Flashing BeforeVulcanizationType I,Class VType I,Class NVType II,Class VThickness, min, mm in. 1.4 0.055 1.4 0.055 1.4 0.055Green Strength Modulus100 % at 23C 73F kPapsi172-172525-250172-172525-250172-51725-75Elongation (Ultimate), min, % 400 400 400Modulus 100 % at 50C122
25、F kPa psi83 12 83 12 83 12Elongation (Ultimate), min, % 200 200 200Shelf Stability:Modulus 100 %at 23C 73F, max, kPapsi1725 250 n/a 1725 250Elongation, min, % 400 n/a 400Vulcanizability:Tensile Strength, min, kPapsi2800 406 n/a 2800 406Elongation, min, % 400 n/a 400Tensile Set: min, % 80 80 80Dimens
26、ional Stability, max, % 10 10 10Weatherability, nocracks or crazing pass pass passD4811/D4811M 1627.3 Edges of the sheet shall be capable of being seamed to one another and to other roofing components without fish mouthing.8. Test Methods8.1 ThicknessTest Methods D412.8.2 Green Strength:8.2.1 Test a
27、 fresh sample manufactured within one week.8.2.2 Condition Type I material at 23 6 2C 73 6 4F for a minimum of 1 h and a maximum of 8 h before proceeding withthe testing.8.2.3 Decrystallize Type II material by placing in a circulating air oven at 70 6 2C 158 6 4F for 15 min. After removalfrom the ov
28、en, condition at 23 6 2C 73 6 4F for a minimum of 1 h and a maximum of 8 h before proceeding with the testing.8.2.4 After conditioning, die out a 13-mm 0.5-in. dumbbell (Die A) and determine the modulus at 100 % extension and theultimate elongation at 23 6 2C 73 6 4F in accordance with Test Methods
29、D412.8.2.5 After conditioning, die out a 13-mm 0.5-in. dumbbell (Die A), condition in a circulating air oven at 50 6 2C 122 64F for 15 min minimum and 30 min maximum and determine the modulus at 100 % extension and the ultimate elongation at50 6 2C 122 6 4F in accordance with Test Methods D412.8.3 S
30、helf StabilityDetermine green strength in accordance with after 8.2 aging in a circulating air oven for 46 h at 70 6 2C158 6 4F.8.4 Vulcanizability:8.4.1 For Type I and Type II, oven age for 166 h at 70 6 2C 158 6 4F.8.4.2 After removal from the oven, condition the samples at 23 6 2C 73 6 4F for a m
31、inimum of 1 h and a maximum of8 h before proceeding with testing.8.4.3 Test for ultimate tensile and elongation in accordance with Test Methods D412 using a 13-mm 0.5-in. dumbbell (DieA).8.5 Tensile Set (see Test Methods D412):8.5.1 Decrystallize Type II material in accordance with 8.2.3.8.5.2 Hold
32、for 10 min at 23 6 2C 73 6 4F and 200 % elongation for Table 1.8.5.3 Hold for 10 min at 23 6 2C 73 6 4F and 50 % elongation for Table 2.8.6 Dimensional Stability (see Test Method D1204):8.6.1 Obtain a flat specimen of 150 by 150 mm 6 by 6 in. and age in an air circulating oven at 100 6 2C 212 6 4F f
33、or1 h. Cool to 23 6 2C 73 6 4F for 1 h and measure the side of the specimen in both directions.8.7 VulcanizationPractice D3182.8.8 Tensile StrengthTest Methods D412, Die C.8.9 Ultimate ElongationTest Methods D412, Die C.8.10 Tear ResistanceTest Method D624, Die C.8.11 Brittle PointTest Methods D2137
34、.8.12 Ozone ResistanceTest Method D1149.8.12.1 Type I MaterialTest at 50 % extension, 100 MPa, 166 h at 40 6 2C 104 6 4F.8.12.2 Type II MaterialTest at 20 % extension, 100 MPa, 100 h at 40 6 2C 104 6 4F.TABLE 2 Property Requirements for Flashing After VulcanizationType I,Class VType II,Class VVulcan
35、ization, at 160C 320F, min 20 2 20 2Tensile Strength, min, MPa psi 9.0 1305 8.3 1205Elongation, min, % 300 250Tear Resistance, min, kN/m lb/in. 22 125 22 125Brittle Point, max, C F 45 49 pass 35 31 passTensile Set, max, % 10 10Ozone Resistance, (7) no cracks no cracksHeat Aging, Air OvenTensile Stre
36、ngth, min, MPa psi 8.3 1205 8.3 1205Elongation, min, % 200 200Tear Resistance (Die C), kN/m lbf/in.,min22 125 22 125Water Absorption, weight change, range, % +8, 2 +8, 2Linear Dimension Change, max, % 2 2Weatherability, no cracks or crazing pass passD4811/D4811M 1638.13 Heat Aging (see Test Method D
37、573):8.13.1 Type I MaterialAge 670 h at 115 6 2C 240 6 4F.8.13.2 Type II MaterialAge 70 6 0.7 h at 100 6 2C 212 6 4F.8.14 Water Absorption (see Test Method D471):8.14.1 Type I MaterialAge vulcanized specimen in water for 166 h at 70 6 2C 158 6 4F.8.14.2 Type II MaterialAge vulcanized specimen in wat
38、er for 46 h at 70 6 2C 158 6 4F.8.15 Linear Dimensional Changes (see Test Method D1204):8.15.1 Type I MaterialAge 670 h at 115 6 2C 239 6 4F.8.15.2 Type II MaterialAge 70 h at 100 6 2C 212 6 4F.8.16 Weather ResistanceThe two different types of exposures may produce different test results. Therefore,
39、 they cannot beused interchangeably without supporting data that demonstrates equivalency of the procedures for the materials tested. Choice ofapparatus and exposure conditions selected shall be by mutual agreement among the interested parties.8.16.1 Xenon Arc Light Exposure Apparatus Operation Cond
40、itions (see Practices G155 and G151):D4811/D4811M 164Filter Type Daylight filterIrradiance 0.35 to 0.70 W/(m2nm) at 340nm. The maximumallowable operational fluctuationof the irradiancesetting is 0.02 W/(m2 nm).(42 to 84 W/m2 at 300 to 400nm. The maximum allowableoperational fluctuation of theirradia
41、nce setting is 2.5 W/m2.)Cycle 690 15 min light, 30 min light,plus water spray on the frontsurface.UninsulatedBlack PanelTemperature80C 176F during the dryperiod. The maximumallowable operational fluctuationis 2.5C 5F.RelativeHumidity50 %. The maximum allowableoperational fluctuationis 5 %.Chamber A
42、irTemperature(whereapplicable)50C. The maximum allowableoperational fluctuationis 2C.Spray Water Refer to Practice G155, Section6.6.1. Typical watertemperature used for specimenspray is 21 5C,but if ambient temperature is lowand a holdingtank is not used to store purifiedwater, thewater temperature
43、can be belowthe typicalrange.Recommended specimen size is 75 mm 2.75 in. wide by 200 mm 8.0 in. long.SpecimenReposit-ioningRefer to Practice G155, Section9.5. Every 315 KJ/(m2 nm) at340 nm (37.8 MJ/m2 at 300 to400 nm.)See Note 3.RadiantExposure5040 KJ/(m2nm) at 340 nm(604.8 MJ/m2 at 300 to400 nm.) S
44、ee Note 4.NOTE 3Repositioning ranging from every 250 h at 0.35 W/(m2nm) at 340 nm to 125 h at 0.70 W/(m2nm) at 340 nm.NOTE 4The duration in terms of time ranges from 2000 h at 0.70 W/(m2nm) at 340 nm to 4000 h at 0.35 W/(m2nm) at 340 nm.8.16.2 UV/Condensation Exposure Apparatus Conditions UVB Fluore
45、scent UVA-340 (See Practices G154 and G151):Lamp Type Fluorescent UVB313 withirradiance of 0.49W/(m2nm)at 310 nm. The maximumallowable operationalfluctuation of theirradiance setting is 0.02W/(m2 nm).Test Cycle 20 h UV at 80C 176F,4 h condensation at 50C122F(uninsulated black paneltemperatures). The
46、maximumallowable operationalfluctuation is 2.5C5F.Exposure 4000 hD4811/D4811M 165Lamp Type: (Fluorescent UVA-340 withirradiance of 0.89W/(m2nm)at 340 nm. The maximumallowable operationalfluctuation of theirradiance setting is 0.02W/(m2 nm).Test Cycle: 8 h UV at 80C 176F, 4h condensation at 50C122F(u
47、ninsulated black paneltemperatures). Themaximumallowable operationalfluctuation is 2.5C5F.Exposure Duration: 4000 hNOTE 5The fluorescent UVB-313 lamps had previously been the radiation source used for fluorescent UV exposure, but because it can produceunrealistic test results, it has been replaced b
48、y the fluorescent UVA-340 lamps in most ASTM standards. The fluorescent UVB-313 lamps can be usedfor comparisons with historic data, if necessary.NOTE 6If the operational fluctuations in 8.16.1 and 8.16.2 are greater than the maximum allowable after the equipment has stabilized, discontinuethe test and correct the cause of the problem before continuing.8.16.3 The specimens for exposure shall be mounted under no strain. After exposure, remove the specimens and inspectimmediately. Strain specimens 10 % in the bent loop configuration in accordance with Test Method D518 and
