1、Designation: C1427 071 C1427 12Standard Specification forExtruded Preformed Flexible Cellular Polyolefin ThermalInsulation in Sheet and Tubular Form1This standard is issued under the fixed designation C1427; the number immediately following the designation indicates the year oforiginal adoption or,
2、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 NOTESections 1.4 and 1.5 were editorially revised in April 2010.1. Scope1.1 This specificat
3、ion covers two grades of extruded preformed flexible cellular polyolefin thermal insulation. Grade 1 is forinsulation operating temperatures from 150F to 200F (101C to 93C). Grade 2 is for operating temperatures from 297F to250F (182C to 121C). For specific applications, the actual temperature limit
4、 shall be agreed upon between the manufacturerand the purchaser.1.2 The use of thermal insulation materials covered by this specification are governed by codes and standards that address fireperformance. Contact manufacturer for specific performance of product at the intended use thickness.1.3 This
5、specification covers the physical properties of preformed flexible cellular polyolefin thermal insulation, which havebeen deemed mandatory for thermal design. Physical properties such as density and coefficient of thermal expansion (CTE) havebeen deemed nonmandatory for thermal design. Nonmandatory
6、physical properties have been included in Appendix X1 forinformation purposes only.1.4 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematicalconversions to SI units that are provided for information only and are not considered standard.
7、1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibilityof the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatorylimitations prior to use.2. Referenced Doc
8、uments2.1 ASTM Standards:2C168 Terminology Relating to Thermal InsulationC177 Test Method for Steady-State Heat Flux Measurements and Thermal Transmission Properties by Means of theGuarded-Hot-Plate ApparatusC209 Test Methods for Cellulosic Fiber Insulating BoardC335 Test Method for Steady-State Hea
9、t Transfer Properties of Pipe InsulationC390 Practice for Sampling and Acceptance of Thermal Insulation LotsC411 Test Method for Hot-Surface Performance of High-Temperature Thermal InsulationC447 Practice for Estimating the Maximum Use Temperature of Thermal InsulationsC518 Test Method for Steady-St
10、ate Thermal Transmission Properties by Means of the Heat Flow Meter ApparatusC534 Specification for Preformed Flexible Elastomeric Cellular Thermal Insulation in Sheet and Tubular FormC585 Practice for Inner and Outer Diameters of Thermal Insulation for Nominal Sizes of Pipe and TubingC670 Practice
11、for Preparing Precision and Bias Statements for Test Methods for Construction MaterialsC1045 Practice for Calculating Thermal Transmission Properties Under Steady-State ConditionsC1058 Practice for Selecting Temperatures for Evaluating and Reporting Thermal Properties of Thermal InsulationC1114 Test
12、 Method for Steady-State Thermal Transmission Properties by Means of the Thin-Heater Apparatus1 This specification is under the jurisdiction of ASTM Committee C16 on Thermal Insulation and is the direct responsibility of Subcommittee C16.22 on Organic andNonhomogeneous Inorganic Thermal Insulations.
13、Current edition approved Nov. 15, 2007Nov. 1, 2012. Published December 2007December 2012. Originally approved in 1999. Last previous edition approved in 20042007as C1427 - 04.C1427 - 071. DOI: 10.1520/C1427-07E01.10.1520/C1427-12.2 For referenced ASTM standards, visit the ASTM website, www.astm.org,
14、 or contact ASTM Customer Service at serviceastm.org. For Annual Book of ASTM Standardsvolume information, refer to the standards Document Summary page on the ASTM website.This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes
15、 have been made to the previous version. Becauseit may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current versionof the standard as published by ASTM is to be considered the official
16、 document.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States1C1303 Test Method for Predicting Long-Term Thermal Resistance of Closed-Cell Foam InsulationC1304 Test Method for Assessing the Odor Emission of Thermal Insulation MaterialsD88
17、3 Terminology Relating to PlasticsD1622 Test Method for Apparent Density of Rigid Cellular PlasticsD1667 Specification for Flexible Cellular MaterialsPoly (Vinyl Chloride) Foam (Closed-Cell)D3575 Test Methods for Flexible Cellular Materials Made From Olefin PolymersE84 Test Method for Surface Burnin
18、g Characteristics of Building MaterialsE96/E96M Test Methods for Water Vapor Transmission of MaterialsE177 Practice for Use of the Terms Precision and Bias in ASTM Test MethodsE228 Test Method for Linear Thermal Expansion of Solid Materials With a Push-Rod DilatometerE456 Terminology Relating to Qua
19、lity and StatisticsE670 Test Method for Testing Side Force Friction on Paved Surfaces Using the Mu-MeterE691 Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test MethodE2231 Practice for Specimen Preparation and Mounting of Pipe and Duct Insulation Materials to Asses
20、s Surface BurningCharacteristics2.2 Other Standards:CAN/ULC-S102.203CAN/ULC-S102.2 Standard Method of Test for Surface Burning Characteristics of Flooring, FloorCoverings and Miscellaneous Materials and Assemblies.3. Terminology3.1 DefinitionsTerms used in this specification are defined in Terminolo
21、gy C168 and in Terminology D883.3.2 Definitions of Terms Specific to This Standard:3.2.1 polyolefinpolymers made by the polymerization of olefins, such as ethylene or propylene or copolymerization of olefinswith other monomers.3.2.2 cellular polyolefina cellular plastic composed primarily of olefin
22、material, processed to form a flexible foam with aclosed cell construction.3.2.2.1 DiscussionThese materials are considered foam plastics.3.2.3 natural skincontinuous polymer surface or skin naturally occurring as a result of the extrusion or production process,also referred to as “integral skin.”3.
23、2.4 flexible cellulara flexible cellular organic polymeric material will not rupture within 60 s when a specimen 8 by 1 by1 in. (200 by 25 by 25 mm) is bent around a 1-in. (25-mm) diameter mandrel at a uniform rate of one lap in 5 s in the form ofa helix at a temperature between 65 and 85F (18 and 2
24、9C).4. Classification4.1 The preformed flexible cellular polyolefin thermal insulation shall be of the following types:4.1.1 Type Itubular.4.1.2 Type IIsheet.4.2 The preformed flexible cellular polyolefin thermal insulation shall be of the following grades:4.2.1 Grade 1 (non-crosslinked)Use temperat
25、ure 150F to 200F (101C to 93C).4.2.2 Grade 2 (crosslinked)Use temperature 297F to 250F (182C to 121C).5. Material5.1 These products shall be extruded flexible cellular polyolefin materials.5.2 These products are expanded with hydrochlorofluorocarbon gases, hydrofluorocarbon gases, hydrocarbon gases,
26、 chemicalblowing agents, atmospheric gases, or combinations thereof. These gases will diffuse from the insulation with time afterproduction.5.3 Extruded flexible cellular polyolefin materials shall be of uniform density. Even though these materials will have a smoothskin surface on one or both sides
27、, they are to be considered homogeneous for the purposes of determining thermal performance.6. Physical Requirements6.1 Qualification Requirements:6.1.1 Thermal conductivity, water vapor permeability, and linear shrinkage, physical properties listed in Table 1 are defined asqualification requirement
28、s (refer to Practice C390, Section 5).C1427 1226.2 Inspection Requirements:6.2.1 The requirements for water absorption listed in Table 1 is defined as inspection requirements (refer to Practice C390,Sections 5 Classification of Requirements and Section 7, Acceptance for Inspection Requirements.)6.2.
29、2 All dimensional requirements shall be as described in Section 7 and Table 2.TABLE 1 Physical Property Requirements (Type ITubular andType IISheet)NOTE 1The values stated in Table 1 are not always appropriate asdesign values. For specific design recommendations using a particularproduct and for sup
30、porting documentation, consult the manufacturer.Property Unit Grade 1RequirementGrade 2RequirementProperty Unit RequirementUse temperature, max F (C) 200 (93) 250 (121)Use temperature, max F (C) 200 (93)Use temperature, min F (C) 150 (101) -297 (-182)Use temperature, min F (C) 150 (101)Thermal condu
31、ctivity, max.At a mean temperature of:250F (157C) 0.25 (0.036)120F (84C) Btu-in./hr-ft2-F 0.29 (0.042) 0.29 (0.042)120F (84C) Btu-in./hr-ft2-F 0.29 (0.042)0F (18C) (W/m K) 0.33 (0.048) 0.33 (0.048)0F (18C) (W/m K) 0.33 (0.048)75F (24C) 0.35 (0.050) 0.35 (0.050)75F (24C) 0.35 (0.050)120F (49C) 0.37 (
32、0.053) 0.37 (0.053)120F (49C) 0.37 (0.053)150F (66C) 0.38 (0.055)200F (93C) 0.40 (0.058)Water-vapor permeability,max.perm-in(g/Pa s m)0.05(7.29 109)0.05(7.29 109)Water-vapor permeability,max.perm-in(g/Pa s m)0.05(7.29 109 )Water absorption, max., % by volume 0.2 0.2Water absorption, max., % by volum
33、e 0.2linear shrinkage,at maxiumumuse temperature.% linear change 7.0 7.0linear shrinkage,at maxiumumuse temperature.% linear change 7.0TABLE 2 Dimensional Tolerances, in. (mm)Type IInside diameter:Up to 58 (16) incl. +18 (+ 3) 0 (0)34 (19) to 1-12 (38) incl. +316 (+ 5) 0 (0)1-58 (41) to 2-38 (60) in
34、cl. +14 (+ 6) 0 (0)Over 2-38 (60) +38 (+ 10) 0 (0)Wall thicknesses:Up to 34 (19) +18 (+ 3) 0 (0)34 and over (19) +316 (+ 5) 0 (0)Length: +3 (+ 75) 1 (25)Type IIThickness:Up to 12 (13) incl. 116 ( 2)Over 12 (13) 332 ( 3)Length and width: 3 %C1427 1236.2.3 All workmanship, finish and appearance requir
35、ements shall be as described in Section 8.6.2.4 Compliance with inspection requirements shall be in accordance with Practice C390.6.2.5 Both Grade 1 and Grade 2 of Type I and Type II insulations shall conform to the respective physical property requirementslisted in Table 1.6.3 The material shall be
36、 free of objectionable odors at all temperatures within the recommended use range when testedaccording to C1304.6.4 Surface Burning Characteristics:6.4.1 Surface burning characteristics shall be tested for the thickness supplied in accordance with Test Method E84. Forapplications in Canada test to C
37、AN/ULC-S102.203.CAN/ULC-S102.2. The results shall be reported. See Section 1 of TestMethod E84 for information regarding the applicability of this test method for use with cellular plastics and Practice E2231 forspecimen mounting methods. This test does not always define the hazard that may be prese
38、nted bypotentially resulting fromburning of preformed flexible cellular polyolefin thermal insulation under actual fire conditions. It is retained for reference in thisspecification as laboratory test data required by some building codes.applicable codes and regulations.6.4.2 Preformed flexible cell
39、ular polyolefin thermal insulation is an organic material and is combustible. Do not expose it toflames or other ignition sources. The fire performance of the material shall be addressed through fire test requirements establishedby the appropriate governing documents.6.4.3 It is possible the surface
40、 burning characteristics of the materials are different in the vertical orientation from those in thehorizontal orientation.7. Standard Shapes, Sizes and Dimensions7.1 Type ITubular materials are manufactured in 36, 60 or 72-in. (0.91, 1.52 or 1.83-m) standard lengths, as well as,continuous lengths.
41、 Tubular insulation is manufactured for pipe sizes up to 4-in. (100mm) nominal pipe size (NPS) with wallthickness up to 1-in. (25.4mm).7.2 Type IISheet and roll material are manufactured in thickness up to 1 in. (25 mm). Sheet insulation is manufactured in thefollowing sizes: 36 by 48 in. (0.91 by 1
42、.22 m) and 48-in. (1.22-m) wide continuous lengths.7.3 Actual dimensions and tolerances shall be agreed upon between the manufacturer and the purchaser. The Procedure Sectionand Pipe and Tubing Diameter Section of Practice C585 is beneficial in some cases in determining the actual dimensions require
43、d.7.4 The insulation dimensions shall conform to Table 2 unless otherwise agreed upon between the supplier and the purchaser.8. Surface8.1 Type IAll surfaces (except ends and slits that are mechanically cut) shall have natural skins.8.2 Type IISheet material is manufactured either without skins, wit
44、h skin on one side or with skin on two sides. The surfaceshall be at the manufacturers option, unless otherwise specified.9. Workmanship, Finish, and Appearance9.1 The insulation shall be free of visual defects that will adversely affect the service performance.10. Sampling10.1 The insulation shall
45、be sampled in accordance with Practice C390. Details shall be agreed upon between the purchaser andthe supplier.10.2 When possible, the insulation shall be tested in the form supplied. However, when Type I does not lend itself to testingor to making of test specimens because of its shape, standard t
46、est specimen sheets shall be prepared from material havingequivalent physical characteristics to Type I (see 11.1.1).11. Test Methods11.1 The physical requirements enumerated in this specification shall be determined in accordance with the following methods:11.1.1 When standard test specimen sheets
47、are required for tubular material, they shall be prepared from tubular specimenhaving a minimum inner diameter of 3 in. by longitudinally slitting the tubular specimens along one wall thickness, opening andlaying the specimen flat.11.1.2 These products are manufactured with either skin on one side o
48、r skin on both sides. Testing shall be done in the as soldform.11.2 Apparent Thermal Conductivity:11.2.1 Type IUse in accordance with Test Method C177, C518, C1114 or C335 in conjunction with Practice C1045. Usestandard test sheet for Test Methods C177, C518, or C1114.11.2.1.1 Test Method C1114 shal
49、l not be used at temperatures or resistance ranges other than those with comparable results toTest Method C177. In case of dispute, Test Method C177 is recognized as the final authority.C1427 124NOTE 1Test Method C335 may be used to determine the apparent thermal conductivity values for Type 1 tubular material operating at or aboveambient temperature. Normally, Test Method C335 is not used to determine the apparent thermal conductivity
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