1、Designation: D6754/D6754M 10D6754/D6754M 15Standard Specification forKetone Ethylene Ester Based Sheet Roofing1This standard is issued under the fixed designation D6754/D6754M; the number immediately following the designation indicates theyear of original adoption or, in the case of revision, the ye
2、ar 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. Scope1.1 This specification covers flexible sheet made from ketone ethylene ester (KEE) as the primary polymer intended f
3、or use insingle ply roofing membrane exposed to the weather. The sheet shall be reinforced with fabric.1.2 In-place roof system design criteria, such as fire resistance, field-seaming strength, material compatibility, uplift resistance,in-situ shrinkage, among others, are factors that must be consid
4、ered, but are beyond the scope of this specification.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 of the other. Combining values
5、 from thetwo systems may result in non-conformance with the standard.1.4 The following precautionary caveat pertains to the test methods portion only, Section 8, of this specification: This standarddoes not purport to address all of the safety concerns, if any, associated with its use. It is the res
6、ponsibility of the user of thisstandard to establish appropriate safety and health practices and determine the applicability of regulatory requirements prior touse.2. Referenced Documents2.1 ASTM Standards:2D471 Test Method for Rubber PropertyEffect of LiquidsD751 Test Methods for Coated FabricsD107
7、9 Terminology Relating to Roofing and WaterproofingD1204 Test Method for Linear Dimensional Changes of Nonrigid Thermoplastic Sheeting or Film at Elevated TemperatureD2136 Test Method for Coated FabricsLow-Temperature Bend TestD3045 Practice for Heat Aging of Plastics Without LoadD3389 Test Method f
8、or Coated Fabrics Abrasion Resistance (Rotary Platform Abrader)D5602 Test Method for Static Puncture Resistance of Roofing Membrane SpecimensD5635 Test Method for Dynamic Puncture Resistance of Roofing Membrane SpecimensD7635/D7635M Test Method for Measurement of Thickness of Coatings Over Fabric Re
9、inforcementG21 Practice for Determining Resistance of Synthetic Polymeric Materials to FungiG151 Practice for Exposing Nonmetallic Materials in Accelerated Test Devices that Use Laboratory Light SourcesG154 Practice for Operating Fluorescent Ultraviolet (UV) Lamp Apparatus for Exposure of Nonmetalli
10、c MaterialsG155 Practice for Operating Xenon Arc Light Apparatus for Exposure of Non-Metallic Materials3. Terminology3.1 DefinitionsTerminology D1079 shall apply to this specification.3.2 ketone ethylene ester (KEE), na high molecular weight thermoplastic copolymer of ethylene, containing carbon mon
11、oxideand either vinyl acetate or acrylate monomer which are incorporated to provide softness and polarity.3.2.1 Discussion1 This specification is under the jurisdiction of ASTM Committee D08 on Roofing and Waterproofing and is the direct responsibility of Subcommittee D08.18 onNonbituminous Organic
12、Roof Coverings.Current edition approved July 1, 2010Nov. 1, 2015. Published August 2010November 2015. Originally approved in 2002. Last previous edition approved in 20022010as D6754 02.D6754/D6754M 10. DOI: 10.1520/D6754_D6754M10.10.1520/D6754_D6754M15.2 For referencedASTM standards, visit theASTM w
13、ebsite, 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.This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indica
14、tion 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 consult prior editions as appropriate. In all cases only the current versionof the standard as published by ASTM is to be con
15、sidered the official document.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States1Ester groups of the vinyl acetate or acrylate are pendant from the ethylene backbone and reduce crystallinity, which providesflexibility. Carbon monoxide gr
16、oups within the polymer backbone provide polarity. The KEE polymer is therefore a flexiblepolymer, which is miscible with other polymers of similar polarity.3.3 polymer content, nin this specification, polymer content shall be defined as polymeric materials which are in the solid stateat room temper
17、ature, and are high (greater than 50 000 Mw) in molecular weight. Other ingredients, known to the art of polymercompounding, such as certain waxes, stabilizers, and other additives, while polymeric in nature are not considered to be part ofthe base polymer system.4. Materials and Manufacture4.1 The
18、sheet shall be formulated from the appropriate polymers and other compounding ingredients. The KEE polymer shallbe a minimum of 50 % by weight of the polymer content of the sheet.4.2 The sheet shall be reinforced internally with a fabric.4.3 To make seam and repairs, the sheet shall be capable of be
19、ing bonded watertight to itself during the design service life ofthe sheets. The manufacturer shall recommend a suitable method. Design service life is defined as the designated time period ofintended system performance.5. Physical Properties5.1 The sheet shall conform to the physical requirements p
20、rescribed in Table 1.5.2 The tolerance for time conditions (aging, weathering, and so forth) is 615 min or 61 % of the period, whichever is greater,unless specified.5.3 The tolerance for temperature conditions (aging, weathering, and so forth) is62C 4F of the specified temperature, unlessotherwise s
21、pecified.6. Dimensions and Permissible Variations6.1 The width and length of the sheet shall be agreed upon between the purchaser and the supplier as part of the purchasecontract. The width and length tolerance shall be +3 % -0 % after permitting the sheet to relax 1 h at 23 6 1C 73 6 2F.6.2 The thi
22、ckness and thickness tolerance shall be agreed upon between the purchaser and supplier as part of the purchasecontract, subject to the minimum requirement in Table 1.7. Workmanship, Finish, and Appearance7.1 The sheet, including factory seams if present, shall be watertight and be visually free of p
23、inholes, particles of foreign matter,undispersed raw materials, protruding reinforcement, and other manufacturing defects that might affect serviceability.7.2 The sheet shall be visually free of nicks and cuts, voids, thin areas, delaminations, moisture-bound fabric, or other defects.7.3 Edges of th
24、e sheet shall be straight and flat so that they may be seamed to one another.8. Test Methods8.1 Thickness, OverallTest Method D751.8.2 Thickness, Thickness of Coating Over Reinforcement Optical MethodScrim (Reinforcing Fabric) Test MethodD7635/D7635MseeFollow Annex A1, Optical preparation test metho
25、ds as specified in Test Method D7635/D7635MforMeasurement of Thickness of Coating The Thickness measurements shall be conducted as described in the test method on thecoating on the side intended to be exposed to the weather.8.3 Breaking StrengthTest Method D751, Procedure B Strip Method.8.4 Elongati
26、on at BreakTest Method D751.8.5 Tearing StrengthTest Method D751, Procedure B Tongue Tear Method, 200-mm 8-in. by 250-mm 10-in. specimensize. Test at 5.0 mm/s 12 in./min.8.6 Linear Dimensional ChangeTest Method D1204, 1 h at 100 6 2C 212 6 5F.8.7 Fabric AdhesionTest Method D751, 5.0-mm/s 12-in./min
27、jaw speed.8.8 Heat AgingPractice D3045, at 80 6 2C 176 6 4F for 56 days 6 2 h.8.8.1 After Heat Aging Low Temperature BendTest Method D2136, at 35 6 1C 30 6 2F.8.9 Low Temperature BendTest Method D2136 at 35 6 1C 30 6 2F.8.10 Water AbsorptionTest Method D471, Procedure for exposure to one side only i
28、n water, at 70 6 2C 158 6 4F for 166h.D6754/D6754M 1528.11 Factory Seam StrengthTest Method D751, Grab Method.8.12 Hydrostatic ResistanceTest Method D751, Method A, Procedure 1.8.13 Static Puncture TestTest Method D5602, at a load of 45 kg 99 lbf min. at 23 6 1C 73 6 2F.8.14 Dynamic Puncture TestTes
29、t Method D5635, at energy of 10 J min. 23 6 1C 73 6 2F.TABLE 1 Physical Requirements of the KEE-ReinforcedMembranePropertyThickness, min., mm in. 0.81 0.032Thickness over fiber, min., mm in. 0.18 0.007Breaking strength, strip , N lbf 1550 348Elongation at break, strip, min., % 18Tearing strength, mi
30、n., N lbf 480 108Lineal dimension change, max., % 1.3Fabric adhesion, min., N/m lbf/in. 3330 19Retention of properties after heat aging:Breaking strength, strip, min., % of original 90Elongation at break, strip, min., % of original 90Low-temperature bend after heat aging passLow-temperature bend pas
31、sChange in weight after exposure in water, max,% 0.0, +6.0Factory seam strength, min., N lbf 1955 440Hydrostatic resistance, min., MPa psi 4.1 590Static puncture resistance passDynamic puncture resistance passAccelerated weathering test after 5000-h xenonarc light exposureCracking (7 magnification)
32、noneCrazing (7 magnification) noneAccelerated weathering test after 5000-hfluorescent light exposureCracking (7 magnification) noneCrazing (7 magnification) noneFungi resistanceSustained growth no growthDiscoloration noneAbrasion test, min., cycles 1500TABLE 1 Physical Requirements of the KEE-Reinfo
33、rcedMembranePropertyThickness, min., mm in. 0.81 0.032Thickness over fiber, min., mm in. 0.18 0.007Breaking strength, strip , N lbf 1499 337Elongation at break, strip, min., % 18Tearing strength, min., N lbf 338 76Lineal dimension change, max., % 1.3Fabric adhesion, min., N/m lbf/in. 3330 19Retentio
34、n of properties after heat aging:Breaking strength, strip, min., % of original 90Elongation at break, strip, min., % of original 90Low-temperature bend after heat aging passLow-temperature bend passChange in weight after exposure in water, max,% 0.0, +6.0Factory seam strength, min., N lbf 1955 440Hy
35、drostatic resistance, min., MPa psi 4.1 590Static puncture resistance passDynamic puncture resistance passAccelerated weathering test after 5000-h xenonarc light exposureCracking (7 magnification) noneCrazing (7 magnification) noneAccelerated weathering test after 5000-hfluorescent light exposureCra
36、cking (7 magnification) noneCrazing (7 magnification) noneFungi resistanceSustained growth no growthDiscoloration noneAbrasion test, min., cycles 1500D6754/D6754M 1538.15 Accelerated Weathering TestThe two different types of exposures may produce different test results. Therefore, theycannot be used
37、 interchangeably without supporting data that demonstrates equivalency of the procedures for the material tested.8.15.1 Xenon Arc Exposure TestPractices G155 and G151, 5000 hours exposure. Irradiance: 0.35 W/(m2nm) at 340 nm. Themaximum allowable operational fluctuation is 60.02 W/(m2nm). Cycle: 102
38、-min light followed by 18-min light plus water sprayon the front surface. Spray Water: Refer to Practice G155, Section 6.6.1 (Water Spray). Typical spray water temperature is 21 65C 70 6 9F , but if ambient temperature is low and a holding tank is not used to store purified water, the water temperat
39、urecan be below the typical range. Uninsulated Black Panel Temperature: 63C 145F during the dry period. The maximumallowable operational fluctuation is 62.5C 65F. Chamber Air Temperature (where applicable): 44C 111F. The maximumallowable operational fluctuation is 62C 3.6F. Relative Humidity: 50 %.
40、The maximum allowable operational fluctuation is65 %NOTE 1If the operational fluctuations are greater than the maximum allowable after the equipment has stabilized, discontinue the test and correct theproblem before continuing.8.16 Fluorescent UV/Condensation Exposure TestPractices G154 and G151, 50
41、00 hours exposure. Lamp type: FluorescentUVA-340. Irradiance: 0.68 W/(m2nm) at 340 nm. The maximum allowable operational fluctuation is 60.02 W/(m2nm). Cycle:8-h light at 70C 158F; 4-h condensation at 50C 122F. The maximum allowable operational fluctuation is 62.5C 65F.8.17 Fungi ResistancePractice
42、G21, 28 days.8.18 Abrasion TestTest Method D3389, using the H-18 Wheel and 1000-g load. Run until fabric is visible.8.19 DimensionsTest Method D751, after unrolling or unfolding and permitting the sheet to relax for 1 h at 23 6 lC 73 62F.9. Inspection and Special Testing9.1 The manufacturer shall in
43、spect and test the product to assure compliance of the product with this specification.9.2 The purchaser may, in the contract, order special tests, which the supplier shall be required to make beyond those describedin Table 1.9.3 If the results of any tests do not conform to the requirements of this
44、 specification, retesting to determine conformity shallbe performed as agreed upon between the purchaser and supplier.10. Rejection and Resubmittal10.1 Failure to conform to any one of the requirements prescribed in this specification shall constitute grounds for rejection. Theseller shall have the
45、right to reinspect the rejected shipment and resubmit the lot after removal of those packages not conformingto the specified requirements.11. Product Marking11.1 The sheet shall be identified on the side intended to be exposed to the weather with this ASTM designation, the name ofthe manufacturer or
46、 supplier, and KEE. The type of identification is at the manufacturers option. Such identification shall occurat intervals not to exceed 3 m 9 ft 10 in. in the long direction. The identification shall be applied in such a manner as to be legiblefive years from installation. Identification shall not
47、be required when so specified by the purchaser.12. Packaging and Package Marking12.1 The material shall be rolled on a substantial core and packaged in a standard commercial manner unless otherwise specifiedin the contract or order.12.2 Shipping container shall be marked with the name of the materia
48、l, the stock and lot numbers, and the ASTM designationnumber, the size and quantity, the name of the manufacturer or the supplier, and the number of the contract or order.13. Keywords13.1 flexible sheet; KEE; reinforcing fabrics; reinforcing fibers; roofing; seams; single-ply roofing membraneD6754/D
49、6754M 154ANNEX(Mandatory Information)A1. OPTICAL METHOD FOR MEASUREMENT OF THICKNESS OF COATINGA1.1 ScopeA1.1.1 This is a method for measuring the thickness of the coating over fiber backing or reinforcing fabric.A1.2 Measurement MethodA1.2.1 PrincipleThe thickness of coating material over fiber, fabric, or scrim can be observed with a standard reflectancemicroscope. Measurement is made
