ASTM C1729-2010a Standard Specification for Aluminum Jacketing for Insulation《隔热用铝壳的标准规范》.pdf
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1、Designation: C1729 10aStandard Specification forAluminum Jacketing for Insulation1This standard is issued under the fixed designation C1729; 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 par
2、entheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope1.1 This specification covers aluminum jacketing for ther-mal and acoustical insulation operating at either above orbelow ambient temperatures and in bo
3、th indoor and outdoorlocations. It does not cover insulation jacketing made fromother materials such as mastics, fiber reinforced plastic, PVC,or stainless steel nor does it cover the details of thermal oracoustical insulation systems.1.2 This specification provides physical requirements foraluminum
4、 jacketing for thermal and acoustical insulation.Guide C1423 provides guidance in selecting jacketing materi-als and their safe use.1.3 This is a material specification and does not imply anyperformance of the installed system using the materials speci-fied herein. For information about installation
5、 of aluminumjacketing, see (1).21.4 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.1.5 This standard does not purport to address all of
6、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:3B209 Specification for Al
7、uminum and Aluminum-AlloySheet and PlateC168 Terminology Relating to Thermal InsulationC450 Practice for Fabrication of Thermal Insulating FittingCovers for NPS Piping, and Vessel LaggingC585 Practice for Inner and Outer Diameters of ThermalInsulation for Nominal Sizes of Pipe and TubingC835 Test Me
8、thod for Total Hemispherical Emittance ofSurfaces up to 1400CC1423 Guide for Selecting Jacketing Materials for ThermalInsulationD3363 Test Method for Film Hardness by Pencil TestE84 Test Method for Surface Burning Characteristics ofBuilding MaterialsF1249 Test Method for Water Vapor Transmission Rat
9、eThrough Plastic Film and Sheeting Using a ModulatedInfrared Sensor2.2 ANSI Standard:4ANSI H35.2/H35.2(M) Dimensional Tolerances for Alumi-num Mill Products3. Terminology3.1 DefinitionsDefinitions in Terminology C168 apply toterms used in this specification.3.2 Definitions of Terms Specific to This
10、Standard:3.3 box ribaluminum sheet formed to have alternatingparallel grooves and ridges with a cross section approximatinga square wave3.4 claddingsynonymous with jacketing3.5 crevice corrosiona type of corrosion occurring onmetal jacketing caused by differences in oxygen concentrationin the electr
11、olyte in adjacent regions of the material. Thesedifferences lead to a concentration cell and the region on themetal jacketing which is oxygen-starved is subject to corro-sion.3.6 cross crimpedsynonymous with316 in. corrugated3.7 deep corrugatedaluminum sheet formed to have al-ternating parallel groo
12、ves and ridges with a cross sectionapproximating a sine wave3.8 finishthe texture of the aluminum surface3.9 gorejacketing for elbows, fittings, or other non-straight portions of the piping system made from a multitude ofsimilar overlapping pieces3.10 laggingsynonymous with jacketing3.11 moisture re
13、tarder (moister barrier)a layer of plasticfilm or other material applied to the inner side of metal1This specification is under the jurisdiction of ASTM Committee C16 onThermal Insulation and is the direct responsibility of Subcommittee C16.40 onInsulation Systems.Current edition approved Nov. 1, 20
14、10. Published November 2010. Originallyapproved in 2010 . Last previous edition approved in 2010 as C172910 DOI:10.1520/C172910A.2The boldface numbers in parentheses refer to a list of references at the end ofthis standard.3For referenced ASTM standards, visit the ASTM website, www.astm.org, orconta
15、ct ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.4Available from American National Standards Institute (ANSI), 25 W. 43rd St.,4th Floor, New York, NY 10036, http:/www.ansi.org.1Copyright
16、ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.jacketing to inhibit jacket corrosion by interfering with theformation of a galvanic cell between the dissimilar metals ofthe pipe and jacket or by preventing crevice corrosion.3.11.1 DiscussionA
17、moisture retarder is not an insulationsystem water vapor retarder and does not perform the samefunction.3.12 polykraft a multilayer composite film used as amoisture retarder on metal jacketing consisting of at least onelayer of minimum 40 lb kraft paper and one or more layers ofplastic film, usually
18、 polyethylene at a minimum thickness of1.5 mils.3.13 polysurlyna multilayer film used as a moisture re-tarder on metal jacketing consisting of at least one layer ofethylene/methacrylic acid copolymer and one or more layers ofother polymers, usually polyethylene.4. Significance and Use4.1 This specif
19、ication is used to specify material by physicalproperty requirements that address the prerequisites in Sections6 to 10. The designer of an insulation system, after determiningthe system requirements, shall use this specification to specifythe appropriate aluminum jacketing.5. Classification5.1 Class
20、ification of aluminum jacketing is based on threefactors:5.1.1 Outer surface treatment and emittance (e):5.1.1.1 Type I = Bare surface, = 0.15.1.1.2 Type II = Painted with pigmented paint, = 0.8,5.1.1.3 Type III = Painted with unpigmented paint, = 0.5,and5.1.1.4 Type IV = Plastic film coated surface
21、, = 0.85.5.1.1.5 Paint systems for Types II and III must be factoryapplied and baked on.5.1.1.6 Plastic film for Type IV must be factory applied andheat laminated to the surface.5.1.2 Alloy and Temper per Specification B209:5.1.2.1 Grade 1 = Alloy 3105 or 3003, half hard temper(H14,)5.1.2.2 Grade 2
22、= Alloy 3105 or 3003, quarter hard temper(H12 - lock forming quality),5.1.2.3 Grade 3 = Alloy 1100, dead soft temper,5.1.2.4 Grade 4 = Alloy 3004, and5.1.2.5 Grade 5 = Alloy Alclad 3004 (alloy 3004 clad bothsides with alloy 7072 for improved corrosion resistance).5.1.3 Moisture Retarder:5.1.3.1 Clas
23、s A = polysurlyn, 3 mil thick,5.1.3.2 Class B = polysurlyn, 4.5 mil thick,5.1.3.3 Class C = polykraft per section,5.1.3.4 Class D = painted, and5.1.3.5 ClassE=nomoisture retarder.6. Materials and Manufacture6.1 Aluminum jacketing materials are composed of a singlematerial or a lamination of several
24、components. The materialsare supplied in the form of rolls or sheets or preformed to fit thesurface to which they are to be applied. The materials areapplied in the field or as a factory-applied composite with theinsulation.6.2 The primary material shall be aluminum and shall havea finish that is sm
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