1、Designation: C728 05 (Reapproved 2010)C728 13Standard Specification forPerlite Thermal Insulation Board1This standard is issued under the fixed designation C728; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revi
2、sion. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon () 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 the composition and
3、physical properties for perlite thermal insulation board used principally abovestructural roof decks and as a base for built-up, modified, and elastomeric membrane roofing in building construction.1.2 The use of When adopted by an authority having jurisdiction, codes that address fire properties in
4、many applications regulatethe use of the thermal insulation materials covered by this specification may be regulated by building codes or other agencies thataddress fire performance, or both. The fire performance of the material should be addressed through standard fire test methodsestablished by th
5、e appropriate governing documents.specification. Fire properties are controlled by job, project, or otherspecifications where codes or government regulations do not apply.1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematicalconvers
6、ions to SI units that are provided for information only and are not considered standard.1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibilityof the user of this standard to establish appropriate safety and health practices
7、 and determine the applicability of regulatorylimitations prior to use.2. Referenced Documents2.1 The following standards, of the issue in effect on the date of material purchase, form a part of this specification to the extentspecified herein:2.2 ASTM Standards:2C165 Test Method for Measuring Compr
8、essive Properties of Thermal InsulationsC168 Terminology Relating to Thermal InsulationC177 Test Method for Steady-State Heat Flux Measurements and Thermal Transmission Properties by Means of theGuarded-Hot-Plate ApparatusC203 Test Methods for Breaking Load and Flexural Properties of Block-Type Ther
9、mal InsulationC209 Test Methods for Cellulosic Fiber Insulating BoardC390 Practice for Sampling and Acceptance of Thermal Insulation LotsC518 Test Method for Steady-State Thermal Transmission Properties by Means of the Heat Flow Meter ApparatusC1289 Specification for Faced Rigid Cellular Polyisocyan
10、urate Thermal Insulation BoardE84 Test Method for Surface Burning Characteristics of Building Materials3. Terminology3.1 For complete descriptions of terms used in this specification, refer to Terminology C168.4. Classification4.1 Perlite thermal insulation board is classified as follows:4.1.1 Type
11、1, Roof Insulation BoardA perlite based roof insulation cover board.1 This specification is under the jurisdiction of ASTM Committee C16 on Thermal Insulation and is the direct responsibility of Subcommittee C16.22 on Organic andNonhomogeneous Inorganic Thermal Insulations.Current edition approved M
12、arch 1, 2010May 1, 2013. Published March 2010May 2013. Originally approved in 1972. Last previous edition approved in 20052010 asC728C72805(2010).05. DOI: 10.1520/C0728-05R10.10.1520/C0728-13.2 For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at serv
13、iceastm.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 indication of what changes have been made to the previous version.
14、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 considered the official document.Copyright ASTM International, 1
15、00 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States14.1.2 Type 1, Roof Insulation 2, Roof Cover or Recover BoardTheThis 12 in. (13 mm) thick version of this product is availableonly is used primarily as a field-applied cover board over other roof insulations or in rero
16、ofing applications. The product is alsoavailable to manufacturers of laminated rigid foam products as specified in Specification C1289., Type III.4.1.3 Type 2, Roof Cover/Recover 3, Roof Cover or Recover BoardThis is used primarily as a field-applied cover boardAperlite based cover board that is fie
17、ld applied over other roof insulations or in reroofing applications.re-roofing and recoverapplications. The product is also available to manufacturers of laminated rigid foam products as specified in Specification C1289,Type III.5. Ordering Information5.1 Orders shall at least include the following
18、information:5.1.1 Title and designation Specification C728.5.1.2 Product name, nominal thickness and dimensions.5.1.3 Quantity of material ordered.5.1.4 Manufacturers name, address, and telephone number.6. Materials and Manufacture6.1 CompositionThe basic material of the insulation board shall be pe
19、rlite expanded by the application of heat to form glassy,cellular aggregates. The insulation and cover board shall be composed of expanded perlite and fibers formed into rigid, flat,rectangular units with a suitable sizing material incorporated in the product. It may have A facing or coating is pote
20、ntially presenton one or both surfaces a facing or coating to prevent excessive hot bitumen strike-in or adhesive absorption during roofinginstallation.6.2 LaminationThe finished board may be is either single-ply or multiple-ply. When multiple-ply boards are supplied, asuitable adhesive shall be use
21、d to join the plies.7. Physical Properties7.1 Thermal ResistancePerlite thermal insulation boards and cover shall conform to the following thermal resistances:Nominal Thicknessin. (mm)Thermal Resistance,Fhft2/btu (Km2/W)Type 1 Type 212 (13) 1.4 (0.25) 1.3 (0.23)34 (19) 2.0 (0.35) .1 (25) 2.7 (0.48)
22、.112 (38) 4.1 (0.72) .2 (51) 5.4 (0.95) .212 (64) 6.5 (1.1) .3 (76) 8.1 (1.4) .Nominal Thicknessin. (mm)Thermal Resistance,Fhft2/btu (Km2/W)Type 1 Type 2 Type 312 (13) 1.4 (0.25) 1.3 (0.23) 1.2 (0.22)34 (19) 2.0 (0.35) . .1 (25) 2.7 (0.48) . .112 (38) 4.1 (0.72) . .2 (51) 5.4 (0.95) . .212 (64) 6.5
23、(1.1) . .3 (76) 8.1 (1.4) . .7.1.1 Nominal thickness is the thickness of insulation required to obtain the desired resistance value and may be more or lessthan the value. It is possible that the nominal thickness will fall outside the thicknesses shown in 7.1. See 8.1 for tolerances.7.1.2 Insulation
24、 It is acceptable for insulation and cover boards having thermal resistances other than those values listed maytobe supplied as agreed upon by purchaser and seller.7.2 The insulation and cover board shall further conform to the physical requirements shown in Table 1.8. Standard Dimensions and Tolera
25、nces8.1 The dimensions and tolerances shall conform to those listed below. Other dimensions mayit is acceptable for otherdimensions to be supplied as agreed upon by purchaser and seller.Dimensions, in. (mm) Tolerance, in. (mm)Length, 36 (915), 48 (1220) 72 (1830), 96 (2440) + 14 (6)18 (3)Width, 24 (
26、610), 48 (1220) + 14 (6)18 (3)Thickness, 12 to 3, (13 to 76), incl 116 (1.6)C728 132Dimensions, in. (mm) Tolerance, in. (mm)Length, 36 (915), 48 (1220) 72 (1830), 96 (2440) + 14 (6)18 (3)Width, 24 (610), 48 (1220) + 14 (6)18 (3)Thickness, 12 to 3, (13 to 76), incl 116 (1.6)8.1.1 Board squareness sha
27、ll be within required tolerance if the two diagonal measurements of the board differ by no more than14 in. (6 mm).8.2 The fabrication of tapered perlite roof insulation board products shall be acceptable if dimension and installationspecifications are agreed upon between buyer and seller.9. Workmans
28、hip, Finish, and Appearance9.1 The surface of the board shall be clean, dry, and free of visual defects that will adversely affect the service quality. Edgesshall be square.10. Sampling10.1 Unless otherwise specified, sampling for qualification and inspection tests, if required, shall be in accordan
29、ce with PracticeC390.11. Test Methods11.1 Thermal ResistanceTest Method C177 or C518 at a mean temperature of 75 6 2F (24 6 1C) and a minimumtemperature difference of 40F (22C). In the event of challenge, Test Method C177 shall be the referee method.11.2 Compressive StrengthTest Method C165, Procedu
30、re A, at a crosshead speed of 0.05 in./min for all thicknesses.11.3 Tensile Strength Perpendicular to the SurfaceSection 12 on Tensile Strength Perpendicular to Surface of Test MethodsC209.11.4 Flexural StrengthStrength and Break LoadTest Methods C203, Method I, Procedure D, except test at a strain
31、rate of2 in./min using 3 in. (76 mm) wide specimens on a 10 in. (254 mm) span.11.5 Flame Spread ClassificationTest Method E84 in the event that surface burning characteristics are required.11.6 Water AbsorptionWater Absorption section of Test Methods C209.11.7 ThicknessThickness section of Test Meth
32、ods C209.11.8 Oven-Dry DenistyMoisture Content and Density section of Test Methods C209.12. Qualification and Inspection12.1 Qualification tests shall be run on the physical requirements given in 7.1 and 7.2.12.2 Inspection requirements are given in 8.1.TABLE 1 Physical RequirementsProperty Units Ty
33、pe 1 Type 2Density lb/ft3 (kg/m3) 8 (128) min 10 (160) minCompressive strength at5 % consolidationpsi (kPa) 20(138) min 20 (138) minTensile strength,perpendicularlbf/ft2 (kPa) 575 (27.5) min 800 (38.3) minFlexural strength psi (kPa) 40 (276) min 60 (414) minWater absorption volume % 1.5 max 3.5 maxT
34、ABLE 1 Physical RequirementsProperty Units Type 1 Type 2 Type 3Density lb/ft3 (kg/m3) 8 (128) min 10 (160) min 12 (192) minCompressive strength at5 % consolidationpsi (kPa) 20(138) min 20 (138) min 50 (345) minTensile strength,perpendicularlbf/ft2 (kPa) 575 (27.5) min 800 (38.3) min 1800 (86) minBre
35、ak Load Strength lbf (kgf) 6.5 (2.9) min 4.5 (2.0) min 8 (3.6) minFlexural strength psi (kPa) 40 (276) min 60 (414) min 180 (1241) minWater absorption volume % 1.5 max 3.5 max 3.5 maxC728 13313. Rejection13.1 Failure to conform to any of the requirements of this specification shall constitute ground
36、s for rejection. In case ofrejection, the seller shall have the right to reinspect the rejected shipment and resubmit the lot after removal of that portion notconforming to the specified requirements.14. Packaging and Package Marking14.1 PackagingUnless otherwise specified, boards shall be packaged
37、in the manufacturers standard commercial containers.Special packaging shall be provided when agreed to in writing between purchaser and seller.14.2 MarkingUnless otherwise specified, each container shall be plainly marked with the suppliers name, address, telephonenumber, board dimensions, quantity,
38、 and the coverage area per container. Additional marking shall be provided when agreed to inwriting between purchaser and seller.15. Keywords15.1 cover/recover board; laminated rigid foam board; perlite; perlite thermal insulation board; roof insulation; thermalinsulationASTM International takes no
39、position respecting the validity of any patent rights asserted in connection with any item mentionedin this standard. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the riskof infringement of such rights, are entirely their own responsi
40、bility.This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years andif not revised, either reapproved or withdrawn.Your comments are invited either for revision of this standard or for additional standardsand should be addressed to
41、ASTM International Headquarters. Your comments will receive careful consideration at a meeting of theresponsible technical committee, which you may attend. If you feel that your comments have not received a fair hearing you shouldmake your views known to the ASTM Committee on Standards, at the addre
42、ss shown below.This standard is copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959,United States. Individual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org). Permission rights to photocopy the standard may also be secured from the ASTM website (www.astm.org/COPYRIGHT/).C728 134
