ASTM_C_764_-_11.pdf

Designation:C76411Standard Specification forMineral Fiber Loose-Fill Thermal Insulation1This standard is issued under the fixed designation C764;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 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 physicalproperties of nodulated mineral fiber thermal insulation for usein attics or enclosed spaces in housing and other framedbuildings.1.2 The values stated in inch-pound units are to be regardedas standard.The values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard.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 regulatory limitations prior to use.2.Referenced Documents2.1 ASTM Standards:2B152/B152M Specification for Copper Sheet,Strip,Plate,and Rolled BarC168 Terminology Relating to Thermal InsulationC177 Test Method for Steady-State Heat Flux Measure-ments and Thermal Transmission Properties by Means ofthe Guarded-Hot-Plate ApparatusC390 Practice for Sampling and Acceptance of ThermalInsulation LotsC518 Test Method for Steady-State Thermal TransmissionProperties by Means of the Heat Flow Meter ApparatusC687 Practice for Determination of Thermal Resistance ofLoose-Fill Building InsulationC870 Practice for Conditioning of Thermal Insulating Ma-terialsC1104/C1104M Test Method for Determining the WaterVapor Sorption of Unfaced Mineral Fiber InsulationC1304 Test Method for Assessing the Odor Emission ofThermal Insulation MaterialsC1338 Test Method for Determining Fungi Resistance ofInsulation Materials and FacingsC1363 Test Method for Thermal Performance of BuildingMaterials and Envelope Assemblies by Means of a HotBox ApparatusC1374 Test Method for Determination of Installed Thick-ness of Pneumatically Applied Loose-Fill Building Insu-lationC1574 Guide for Determining Blown Density of Pneumati-callyApplied Loose-Fill Mineral Fiber Thermal InsulationC1630 Guide for Development of Coverage Charts forLoose-Fill Thermal Building InsulationsE136 Test Method for Behavior of Materials in a VerticalTube Furnace at 750CE970 Test Method for Critical Radiant Flux of ExposedAtticFloor Insulation Using a Radiant Heat Energy SourceG1 Practice for Preparing,Cleaning,and Evaluating Corro-sion Test Specimens3.Terminology3.1 DefinitionsFor definitions of terms used in thisspecification,refer to Terminology C168.3.2 Definitions of Terms Specific to This Standard:3.2.1 settled densityThe mass per unit volume of a loose-fill insulation after which time or forces,or both,have exertedtheir effect upon thickness.3.2.1.1 DiscussionThe settled density is determined usinglong term aging studies in attics.4.Classification4.1 The nodulated mineral fiber thermal insulation shall beof the following types and classes:4.1.1 Type IPneumatic application.4.1.2 Type IIPoured application.5.Ordering Information5.1 Both types of nodulated mineral fiber thermal insulationare intended for use as thermal insulation in open spaces,suchas attics and enclosed spaces,such as walls,in housing and1This specification is under the jurisdiction of ASTM Committee C16 onThermal Insulation and is the direct responsibility of Subcommittee C16.23 onBlanket and Loose Fill Insulation.Current edition approved Sept.1,2011.Published September 2011.Originallyapproved 1973.Last previous edition approved in 2007 as C764 07.DOI:10.1520/C0764-11.2For 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.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 buildings at ambient temperatures.Type I is used for pneumaticapplication(blown or conveyed by an air stream through a hoseand discharged over the area to be insulated).Type II is usedfor application by pouring in place.6.Materials and Manufacture6.1 Basic MaterialThe basic material shall be fibers madefrom mineral substances such as rock,slag,or glass processedfrom the molten state into an incombustible fibrous form.6.2 ManufactureThe fibers shall be mechanically pro-cessed into nodules,and are permitted to be treated to provideimproved processing and handling characteristics suitable forinstallation by pouring or pneumatic applications.7.Physical Properties7.1 Thermal CharacteristicsThe standard thermal resis-tance values normally recommended for open