1、A123.17-05(reaffirmed 2014)Asphalt glass felt used in roofing and waterproofingLegal Notice for StandardsCanadian Standards Association (operating as “CSA Group”) develops standards through a consensus standards development process approved by the Standards Council of Canada. This process brings tog
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14、y such patent rights is entirely their own responsibility.Authorized use of this documentThis document is being provided by CSA Group for informational and non-commercial use only. The user of this document is authorized to do only the following:If this document is in electronic form:sLOADTHISDOCUME
15、NTONTOACOMPUTERFORTHESOLEPURPOSEOFREVIEWINGITsSEARCHANDBROWSETHISDOCUMENTANDsPRINTTHISDOCUMENTIFITISIN0$(b) coverage or area;(c) name of the manufacturer/supplier;(d) country of origin; and(e) CSA and ASTM designations.CSA/4March 2005 Canadian Standards AssociationA123.17-05 Asphalt glass felt used
16、in roofing and waterproofingTable 1 Physical properties of asphalt glass feltReplace this Table with the followingTable 1Physical properties of asphalt glass feltTable 2 Dimensions and masses of asphalt glass feltReplace this Table with the followingTable 2Dimensions and masses of asphalt glass felt
17、*Property Type IV Type VIBreaking strength,* min, kN/m (lbf/in)Longitudinal (with the fibre grain) 7.70 (44) 10.5 (60)Transverse (across the fibre grain) 7.70 (44) 10.5 (60)Pliability, 13 mm (1/2 in) radius bend no failures no failures*To prevent the asphalt-impregnated glass felt from slipping from
18、 between the jaws of the tension testing machine, insert a thin strip of soft gasket rubber between the felt and each of the four jaw faces of the machine.Dimension/mass Type IV Type VIWidth of roll, mm (in), or as agreed between purchaserand suppliermetric feltsimperial felts1000 (39.4) 0.5%914 (36
19、) 0.7%1000 (39.4) 0.5%914 (36) 0.7%Area of roll, min, m2 (ft2), or as agreed between purchaserand supplier 50.2 (540) 50.2 (540)Net dry mass of asphalt-impregnated glass felt, min, g/m2 (lb/100 ft2)Average of all rollsNonmineral parting agentMineral parting agentIndividual rolls303 (6.2)342 (7.0)293
20、 (6.0)303 (6.2)342 (7.0)293 (6.0)Moisture at point of manufacture, %, max* 1.0 1.0Mass of desaturated glass felt, min, g/m2(lb/100 ft2) 83 (1.7) 93 (1.9)Bituminous saturant (asphalt), min, g/m2(lb/100 ft2) 146 (3.0) 146 (3.0)Ash, % 70 to 88 70 to 88Parting agent and stabilizer, max, g/m2(lb/100 ft2)
21、 156 (3.2) 146 (3.0)*At time of manufacture. Products with higher moisture content at time of installation may cause hot materials to foam, creating interply voids that may result in blisters.March 2005CSA/5 Canadian Standards AssociationDesignation: D 2178 97aStandard Specification forAsphalt Glass
22、 Felt Used in Roofing and Waterproofing1This standard is issued under the fixed designation D 2178; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapp
23、roval. Asuperscript epsilon (e) indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the Department of Defense.1. Scope1.1 This specification covers glass felts impregnated tovarying degrees with asphalt intended to be used with a
24、sphaltsconforming to the requirements of Specification D 312 in theconstruction of built-up roofs, and with asphalts conforming tothe requirements of Specification D 449 in the construction ofwaterproofing systems.1.2 The values stated in inch-pound units are to be regardedas the standard. The value
25、s given in parentheses are forinformation only.1.3 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 regu
26、latory limitations prior to use.2. Referenced Documents2.1 ASTM Standards:D 146 Test Methods for Sampling and Testing Bitumen-Saturated Felts and Woven Fabrics for Roofing and Wa-terproofing2D 312 Specification for Asphalt Used in Roofing2D 449 Specification for Asphalt Used in Dampproofing andWater
27、proofing2D 1079 Terminology Relating to Roofing, Waterproofing,and Bituminous Materials23. Terminology3.1 Definitions:3.1.1 For definitions of terms used in this specification, referto Terminology D 1079.3.2 Definitions of Terms Specific to This Standard:3.2.1 net dry massthe mass of the asphalt-imp
28、regnatedglass felt exclusive of wrapping and packing material, afterdrying to constant weight and after removing all detachedcomminuted surfacing material as described in 8.2.4. Classification4.1 Asphalt-impregnated glass felts Types III, IV, and VI arecovered by this specification.5. Materials and
29、Manufacture5.1 The felt shall be a thin, porous sheet of uniformlydistributed glass fibers, with or without the addition of rein-forcing stranded glass yarns, and bonded with a water-resistantresinous binder.5.2 In the process of manufacture, the felt shall be impreg-nated with asphalt which shall b
30、e permitted to contain amineral stabilizer so that the individual glass fibers are coatedand the asphalt is evenly distributed throughout.5.3 The impregnated glass felt shall be surfaced with amaterial to prevent sticking in the roll. The nature and quantityof the surfacing material shall not interf
31、ere with adhesionbetween the plies of a membrane.6. Physical Properties, Dimensions, and Masses6.1 The material shall conform to the physical properties,dimensions, and masses prescribed in Table 1 and Table 2.6.2 The finished product shall not crack nor be so sticky asto cause tearing or other dama
32、ge upon being unrolled attemperatures between 50 and 140F (10 and 60C).6.3 After extraction of the asphalt in accordance withSection 16 of Test Methods D 146, the desaturated felt shallremain flat and unbuckled, shall retain its original shape anddimensions, and individual fibers shall remain firmly
33、 set inplace.6.4 The pliability specimen shall be conditioned in air at 776 2F (25 6 1C), 50 6 5 % relative humidity, for at least 1h and tested in a room maintained at the same temperature(immersion in water not required). Otherwise, follow TestMethods D 146, the paragraph on felts in the Pliabilit
34、y section.7. Workmanship, Finish, and Appearance7.1 The finished material shall be uniformly impregnatedwith asphalt of uniform thickness, and shall be free of visibledefects such as ragged or untrue edges, breaks, cracks, tears,and protuberances.7.2 Types III and IV shall contain closely spaced pin
35、holesnot over132 in. (0.8 mm) in diameter over the entire area of thefelt. Individual holes up to14 in. (6.3 mm) in diameter shall be1This specification is under the jurisdiction of ASTM Committee D-8 onRoofing, Waterproofing, and Bituminous Materials and is the direct responsibility ofSubcommittee
36、D08.04 on Felts and Fabrics for Bituminous Roofing and Water-proofing.Current edition approved July 10, 1997. Published January 1998. Originallypublished as D 2178 63 T. Last previous edition D 2178 97.2Annual Book of ASTM Standards, Vol 04.04.1Copyright ASTM, 100 Barr Harbor Drive, West Conshohocke
37、n, PA 19428-2959, United States.permitted, provided that no more than five such holes are foundin any 1 yd2(1 m2) of felt.7.3 Type VI shall be permitted to contain closely spacedholes over the entire area of the felt up to18 in. in diameter.8. Sampling and Test Methods8.1 Sample the material and det
38、ermine the properties enu-merated in this specification in accordance with MethodsD 146, except for the net dry mass of asphalt-impregnatedglass felt.8.2 Net Dry Mass of Asphalt-Impregnated Glass FeltCuta representative sample from the full width of each sample rollas described in Section 10 of Test
39、 Methods D 146. Suspend thesamples vertically and allow them to dry to constant weight.Remove the detached comminuted surfacing as described inSection 11 of Test Methods D 146. Then weigh each sample offelt and calculate the individual and average net dry mass perunit area.8.3 AshDetermine ash by ig
40、nition at 1000 6 25F (538 614C) for not less than 10 min.9. Inspection9.1 InspectionInspection shall be in accordance with therequirements of this specification.9.2 Inspection AlternativesAlternative inspection require-ments shall be detemined by and as agreed upon between thepurchaser and the suppl
41、ier.10. Rejection and Resubmittal10.1 Failure to ConformFailure to conform to any of therequirements as stated in this specification constitutes groundsfor rejection.10.2 Rejection RedressThe supplier shall have the right toinspect the rejected materials. The supplier and the purchasershall agree to
42、 the quantity of rolls deemed unacceptable. Thesupplier shall then have the right to submit the same number ofnew rolls as replacement.11. Packaging and Package Marking11.1 Unless otherwise agreed upon between the supplier andpurchaser, each product package shall be plainly marked withthe suppliers
43、name, product brand, ASTM designation, andtype of bitumen if not evident in the label name of the product.11.2 The rolls shall be securely wrapped or banded in amanner that completely encircles the roll and will preventslipping or unrolling.11.3 No roll shall contain more than two pieces, and nomore
44、 than 3 % of the rolls in any lot shall contain two pieces.If a roll contains a manufacturing splice, the splice shall beclearly marked.12. Keywords12.1 asphalt; built-up roofs; glass felt; waterproofingTABLE 1 Physical Properties of Asphalt Glass FeltType III Type IV Type VIBreaking strength,Amin,
45、lbf/in. (kN/m):Longitudinal (with the fiber grain) 22 (3.85) 44 (7.70) 60 (10.5)Transverse (across the fiber grain) 22 (3.85) 44 (7.70) 60 (10.5)Pliability,12-in. (13-mm) radius bend no failures no failures no failuresATo prevent the asphalt-impregnated glass felt from slipping from between thejaws
46、of the tension testing machine, insert a thin strip of soft gasket rubberbetween the felt and each of the four jaw faces of the machine.D 21782The American Society for Testing and Materials takes no position respecting the validity of any patent rights asserted in connectionwith any item mentioned i
47、n this standard. Users of this standard are expressly advised that determination of the validity of any suchpatent rights, and the risk of infringement of such rights, are entirely their own responsibility.This standard is subject to revision at any time by the responsible technical committee and mu
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49、echnical committee, which you may attend. If you feel that your comments have not received a fair hearing you should make yourviews known to the ASTM Committee on Standards, 100 Barr Harbor Drive, West Conshohocken, PA 19428.This standard is copyrighted by ASTM, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959, United States. Individualreprints (single or multiple cop
