1、Designation:C72817Standard 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 revision.A number in parentheses i
2、ndicates 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 U.S.Department of Defense.1.Scope1.1 This specification covers the composition and physicalproperties for perlite
3、thermal insulation board used principallyabove structural roof decks and as a base for built-up,modified,and elastomeric membrane roofing in building construction.1.2 When adopted by an authority having jurisdiction,codesthat address fire properties in many applications regulate theuse of the therma
4、l insulation materials covered by this speci-fication.Fire properties are controlled by job,project,or otherspecifications where codes or government regulations do notapply.1.3 The values stated in inch-pound units are to be regardedas standard.The values given in parentheses are mathematicalconvers
5、ions to SI units that are provided for information onlyand are not considered standard.1.4 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
6、 determine the applica-bility of regulatory limitations prior to use.1.5 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recom-me
7、ndations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 The following standards,of the issue in effect on thedate of material purchase,form a part of this specification tothe extent specified herein:2.2 ASTM Standards:2C165 Test Method for M
8、easuring Compressive Properties ofThermal InsulationsC168 Terminology Relating to Thermal InsulationC177 Test Method for Steady-State Heat Flux Measure-ments and Thermal Transmission Properties by Means ofthe Guarded-Hot-Plate ApparatusC203 Test Methods for Breaking Load and Flexural Proper-ties of
9、Block-Type Thermal InsulationC209 Test Methods for Cellulosic Fiber Insulating BoardC390 Practice for Sampling and Acceptance of ThermalInsulation LotsC518 Test Method for Steady-State Thermal TransmissionProperties by Means of the Heat Flow Meter ApparatusC1289 Specification for Faced Rigid Cellula
10、r Polyisocyanu-rate Thermal Insulation BoardE84 Test Method for Surface Burning Characteristics ofBuilding MaterialsC1763 Test Method for Water Absorption by Immersion ofThermal Insulation Materials3.Terminology3.1 For complete descriptions of terms used in thisspecification,refer to Terminology C16
11、8.4.Classification4.1 Perlite thermal insulation board is classified as follows:4.1.1 Type 1,Roof Insulation BoardA perlite based roofinsulation cover board.4.1.2 Type 2,Roof Cover or Recover BoardThis is usedprimarily as a field-applied cover board over other roofinsulations or in reroofing applica
12、tions.The product is alsoavailable to manufacturers of laminated rigid foam products asspecified in Specification C1289,Type III.4.1.3 Type 3,Roof Cover or Recover BoardAperlite basedcover board that is field applied over other roof insulations orin re-roofing and recover applications.The product is
13、 also1This specification is under the jurisdiction of ASTM Committee C16 onThermal Insulation and is the direct responsibility of Subcommittee C16.22 onOrganic and Nonhomogeneous Inorganic Thermal Insulations.Current edition approved March 1,2017.Published April 2017.Originallyapproved in 1972.Last
14、previous edition approved in 2016 as C728 16.DOI:10.1520/C0728-17.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.
15、Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of Internatio
16、nal Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1 available to manufacturers of laminated rigid foam products asspecified in Specification C1289,Type III.5.Ordering Information5.1 Orders shall at least include the following 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.
