ASTM C591-2012a Standard Specification for Unfaced Preformed Rigid Cellular Polyisocyanurate Thermal Insulation 《非表面加工硬质蜂窝状聚异氰尿酸酯绝热材料的标准规格》.pdf
《ASTM C591-2012a Standard Specification for Unfaced Preformed Rigid Cellular Polyisocyanurate Thermal Insulation 《非表面加工硬质蜂窝状聚异氰尿酸酯绝热材料的标准规格》.pdf》由会员分享,可在线阅读,更多相关《ASTM C591-2012a Standard Specification for Unfaced Preformed Rigid Cellular Polyisocyanurate Thermal Insulation 《非表面加工硬质蜂窝状聚异氰尿酸酯绝热材料的标准规格》.pdf(4页珍藏版)》请在麦多课文档分享上搜索。
1、Designation: C591 12aStandard Specification forUnfaced Preformed Rigid Cellular PolyisocyanurateThermal Insulation1This standard is issued under the fixed designation C591; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year o
2、f 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 types
3、, physical properties,and dimensions of unfaced, preformed rigid cellular polyiso-cyanurate plastic material intended for use as thermal insula-tion on surfaces from -297F (-183C) to 300F (149C). Forspecific applications, the actual temperature limits shall beagreed upon by the manufacturer and purc
4、haser.1.2 This specification only covers “polyurethane modifiedpolyisocyanurate” thermal insulation which is commonly re-ferred to as “polyisocyanurate” thermal insulation. This stan-dard does not encompass all polyurethane modified materials.Polyurethane modified polyisocyanurate and other polyure-
5、thane materials are similar, but the materials will performdifferently under some service conditions.1.3 This standard is designed as a material specification, nota design document. Physical property requirements vary byapplication and temperature. At temperatures below -70F(-51C) the physical prope
6、rties of the polyisocyanurate insula-tion at the service temperature are of particular importance.Below -70F (-51C) the manufacturer and the purchaser mustagree on what additional cold temperature performance prop-erties are required to determine if the material can functionadequately for the partic
7、ular application.1.4 This standard addresses requirements of unfaced pre-formed rigid cellular polyisocyanurate thermal insulationmanufactured using blowing agents with an ozone depletionpotential of 0 (ODP 0).1.5 When adopted by an authority having jurisdiction, codesthat address fire properties in
8、 many applications regulate theuse of the thermal insulation materials covered by this speci-fication. Fire properties are controlled by job, project, or otherspecifications where codes or government regulations do notapply.1.6 The values stated in inch-pound units are to be regardedas standard. The
9、 values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard.1.7 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
10、 establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2. Referenced Documents2.1 ASTM Standards:2C165 Test Method for Measuring Compressive Propertiesof Thermal InsulationsC168 Terminology Relating to Thermal InsulationC177 Test M
11、ethod for Steady-State Heat Flux Measure-ments and Thermal Transmission Properties by Means ofthe Guarded-Hot-Plate ApparatusC272 Test Method for Water Absorption of Core Materialsfor Structural Sandwich ConstructionsC303 Test Method for Dimensions and Density of Pre-formed Block and BoardType Therm
12、al InsulationC335 Test Method for Steady-State Heat Transfer Proper-ties of Pipe InsulationC390 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 TransmissionPrope
13、rties by Means of the Heat Flow Meter ApparatusC550 Test Method for Measuring Trueness and Squarenessof Rigid Block and Board Thermal InsulationC585 Practice for Inner and Outer Diameters of ThermalInsulation for Nominal Sizes of Pipe and TubingC871 Test Methods for Chemical Analysis of ThermalInsul
14、ation Materials for Leachable Chloride, Fluoride,Silicate, and Sodium IonsC1045 Practice for CalculatingThermalTransmission Prop-erties Under Steady-State Conditions1This specification is under the jurisdiction of ASTM Committee C16 onThermal Insulation and is the direct responsibility of Subcommitt
15、ee C16.22 onOrganic and Nonhomogeneous Inorganic Thermal Insulations.Current edition approved June 1, 2012. Published August 2012. Originallyapproved in 1966. Last previous edition approved in 2012 as C591 12. DOI:10.1520/C0591-12A.2For referenced ASTM standards, visit the ASTM website, www.astm.org
16、, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.C1058 Practice
17、 for Selecting Temperatures for Evaluatingand Reporting Thermal Properties of Thermal InsulationC1114 Test Method for Steady-State Thermal TransmissionProperties by Means of the Thin-Heater ApparatusC1303 Test Method for Predicting Long-Term ThermalResistance of Closed-Cell Foam InsulationC1363 Test
18、 Method for Thermal Performance of BuildingMaterials and Envelope Assemblies by Means of a HotBox ApparatusD883 Terminology Relating to PlasticsD1621 Test Method for Compressive Properties of RigidCellular PlasticsD1622 Test Method for Apparent Density of Rigid CellularPlasticsD2126 Test Method for
19、Response of Rigid Cellular Plasticsto Thermal and Humid AgingD2856 Test Method for Open-Cell Content of Rigid Cellu-lar Plastics by the Air Pycnometer3D6226 Test Method for Open Cell Content of Rigid CellularPlasticsE84 Test Method for Surface Burning Characteristics ofBuilding MaterialsE96/E96M Tes
20、t Methods for Water Vapor Transmission ofMaterials3. Terminology3.1 For descriptions of terms used in this specification, referto Terminologies C168 and D883.3.2 The term polyisocyanurate does not encompass allpolyurethane containing materials (see 1.2).3.3 The term “core specimen” refers to represe
21、ntativesamples cut in accordance with the sampling procedure listedwithin each property test method.3.4 Definitions of Terms Specific to This Standard:3.4.1 ozone depletion potential (ODP)a relative indexindicating the extent to which a chemical product causes ozonedepletion.3.4.1.1 DiscussionThe re
22、ference level of 1 is the potentialof trichlorofluoromethane (R-11 or CFC-11) to cause ozonedepletion. ODP 0 is an ozone depletion potential of zero.4. Classification4.1 Unfaced, preformed rigid cellular polyisocyanurate ther-mal insulation covered by this specification is classified into sixtypes a
23、s follows:4.1.1 Type ICompressive resistance of 20 lb/in2(137kPa), minimum.4.1.2 Type IVCompressive resistance of 22 lb/in2(150kPa), minimum.4.1.3 Type IICompressive resistance of 35 lb/in2(240kPa), minimum.4.1.4 Type IIICompressive resistance of 45 lb/in2(310kPa), minimum.4.1.5 Type VCompressive re
24、sistance of 80 lb/in2(550kPa), minimum.4.1.6 Type VICompressive resistance of 125 lb/in2(862kPa), minimum.4.2 Unfaced, preformed rigid cellular polyisocyanurate ther-mal insulation covered by this specification is classified intoone grade as follows:4.2.1 Grade 2Service temperature range of -297F(-1
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