ASTM_C_449_-_07_2013.pdf

Designation:C44907(Reapproved 2013)Standard Specification forMineral Fiber Hydraulic-Setting Thermal Insulating andFinishing Cement1This standard is issued under the fixed designation C449;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.1.Scope1.1 This specification covers mineral fiber(rock or slag)insulating and finishing cement shipped in dry-mix form,including hydraulic-setting binder,which,when mixed withwater and applied in accordance with the manufacturersdirections,affords a smooth surface as a final finish for heatedsurfaces up to 1200 F(649 C)for specific applications.Theactual temperature limit shall be agreed upon between thepurchaser and the manufacturer.NOTE1Precautionary measures should be taken with this material aswith other hydraulic-setting mixtures.This material should be used withinthe time period recommended by the manufacturer.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 The following safety hazards caveat pertains only to thetest method(Section 10)described in this specification:Thisstandard does not purport to address all of the safety concerns,if any,associated with its use.It is the responsibility of the userof this standard to establish appropriate safety and healthpractices and determine the applicability of regulatory limita-tions prior to use.1.4 When the installation or use of thermal insulationmaterials,accessories,and systems pose safety or healthproblems,the manufacturer shall provide the user with appro-priate current information regarding any known problemsassociated with the recommended use of the companysproducts and shall also recommend protective measures to beemployed in their safe utilization.The user shall establishappropriate safety and health practices and determine theapplicability of regulatory requirements prior to use.2.Referenced Documents2.1 ASTM Standards:2C163 Practice for Mixing Thermal Insulating CementSamplesC166 Test Method for Covering Capacity and VolumeChange Upon Drying of Thermal Insulating CementC168 Terminology Relating to Thermal InsulationC177 Test Method for Steady-State Heat Flux Measure-ments and Thermal Transmission Properties by Means ofthe Guarded-Hot-Plate ApparatusC356 Test Method for Linear Shrinkage of Preformed High-Temperature Thermal Insulation Subjected to SoakingHeatC390 Practice for Sampling and Acceptance of ThermalInsulation LotsC411 Test Method for Hot-Surface Performance of High-Temperature Thermal InsulationC518 Test Method for Steady-State Thermal TransmissionProperties by Means of the Heat Flow Meter ApparatusC795 Specification for Thermal Insulation for Use in Con-tact with Austenitic Stainless SteelC1045 Practice for Calculating Thermal Transmission Prop-erties Under Steady-State ConditionsC1058 Practice for Selecting Temperatures for Evaluatingand Reporting Thermal Properties of Thermal InsulationC1114 Test Method for Steady-State Thermal TransmissionProperties by Means of the Thin-Heater ApparatusE136 Test Method for Behavior of Materials in a VerticalTube Furnace at 750C3.Terminology3.1 DefinitionsDefinitions found in Terminology C168shall be considered as applying to the terms used in thisspecification.1This specification is under the jurisdiction of ASTM Committee C16 onThermal Insulation and is the direct responsibility of Subcommittee C16.20 onHomogeneous Inorganic Thermal Insulations.Current edition approved March 1,2013.Published March 2013.Originallyapproved in 1960.Last previous edition approved in 2007 as C449/C449M 07.DOI:10.1520/C0449-07R13.2For 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 4.Materials and Manufacture4.1 Mineral fiber insulating and finishing cement shall becomposed of mineral fiber and suitable inorganic fillers,premixed with a hydraulic setting binder such that when mixedwith clean,fresh water,the cement will attain its initial set inapproximately 2 to 4 h as usually applied.4.2 The mineral fiber shall consist of rock or slag or glassprocessed from a molten state into fibrous form.4.3 Asbestos shall not be used as an ingredient or compo-nent part in the manufacture of this product.4.4 Ceramic fiber shall not be used as an ingredient orcomponent part in the manufacture of this product.WarningIn the presence of moisture or water,a hydraulic-setting binder,usually portland cement,will chemi