1、Designation: C547 15Standard Specification forMineral Fiber Pipe Insulation1This standard is issued under the fixed designation C547; 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 parenthese
2、s 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 U.S. Department of Defense.1. Scope1.1 This specification covers mineral fiber insulation pro-duced to form
3、hollow cylinders for standard pipe and tubingsizes. The mineral fiber pipe insulation may be molded orprecision v-grooved, with one or more walls split longitudi-nally for use on pipe temperatures up to 1400F (760C).1.2 For satisfactory performance, properly installed protec-tive vapor retarders or
4、barriers should be used on sub-ambienttemperature applications to reduce movement of moisturethrough or around the insulation to the colder surface. Failureto use a vapor barrier can lead to insulation and systemdamage. Refer to Practice C921 to aid material selection.1.3 Flexible mineral fiber wrap
5、 products such asperpendicular-oriented fiber insulation rolls, non-precision ormanually scored block or board, or flexible boards or blanketsused as pipe insulation, are not covered by this specification.1.4 The values stated in inch-pound units are to be regardedas standard. The values given in pa
6、rentheses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard.1.5 For Naval Sea Systems Command (NAVSEA)acceptance, materials must also comply with SupplementalRequirements. See Annex A1 of this standard.1.6 The following safety hazards cavea
7、t applies to the testmethods portion, Section 11, only: This standard does notpurport to address all of the safety concerns, if any, associatedwith its use. It is the responsibility of the user of this standardto establish appropriate safety and health practices anddetermine the applicability of reg
8、ulatory limitations prior touse.2. Referenced Documents2.1 ASTM Standards:2C167 Test Methods for Thickness and Density of Blanket orBatt Thermal InsulationsC168 Terminology Relating to Thermal InsulationC177 Test Method for Steady-State Heat Flux Measure-ments and Thermal Transmission Properties by
9、Means ofthe Guarded-Hot-Plate ApparatusC302 Test Method for Density and Dimensions of Pre-formed Pipe-Covering-Type Thermal InsulationC335/C335M Test Method for Steady-State Heat TransferProperties of Pipe InsulationC356 Test Method for Linear Shrinkage of Preformed High-Temperature Thermal Insulati
10、on Subjected to SoakingHeatC390 Practice for Sampling and Acceptance of ThermalInsulation LotsC411 Test Method for Hot-Surface Performance of High-Temperature Thermal InsulationC447 Practice for Estimating the Maximum Use Tempera-ture of Thermal InsulationsC585 Practice for Inner and Outer Diameters
11、 of ThermalInsulation for Nominal Sizes of Pipe and TubingC795 Specification for Thermal Insulation for Use in Con-tact with Austenitic Stainless SteelC921 Practice for Determining the Properties of JacketingMaterials for Thermal InsulationC1045 Practice for Calculating Thermal Transmission Prop-ert
12、ies Under Steady-State ConditionsC1058/C1058M Practice for Selecting Temperatures forEvaluating and Reporting Thermal Properties of ThermalInsulationC1104/C1104M Test Method for Determining the WaterVapor Sorption of Unfaced Mineral Fiber Insulation1This specification is under the jurisdiction of AS
13、TM Committee C16 onThermal Insulation and is the direct responsibility of Subcommittee C16.20 onHomogeneous Inorganic Thermal Insulations.Current edition approved March 1, 2015. Published April 2015. Originallyapproved in 1964. Last previous edition approved in 2012 as C547 15. DOI:10.1520/C0547-12.
14、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 C
15、700, West Conshohocken, PA 19428-2959. United States1E84 Test Method for Surface Burning Characteristics ofBuilding Materials2.2 Other Standards:UL 723 Tests for Surface Burning of Building Materials3NFPA 255 Method of Tests of Surface Burning Character-istics of Building Materials4CAN/ULC-S102 Stan
16、dard Method of Test for Surface Burn-ing Characteristics of Building Materials and Assemblies53. Terminology3.1 The definitions in Terminology C168 shall apply to theterms used in this specification.3.2 Definitions of Terms Specific to This Standard:3.2.1 moldedrefers to products preformed via a mol
17、dingprocess to yield full-round cylindrical pipe insulation sections.3.2.2 precision v-grooverefers to products fabricated frommachined board via a precision cutting process. Machinedsegments are adhered to a backing to form a full-roundcylindrical pipe insulation section. Due to the precision of th
18、eprocess, the product has no gaps when installed.4. Classification4.1 Products covered by this specification are classifiedaccording to maximum use temperature as follows:4.1.1 Type IMolded, for use to 850F (454C).Grade ARequires no heat-up scheduleGrade BHeat-up schedule is required4.1.2 Type IIMol
19、ded, for use to 1200F (650C).Grade ARequires no heat-up scheduleGrade BHeat-up schedule is required4.1.3 Type IIIPrecision v-groove, for use to 1200F(650C).Grade ARequires no heat-up scheduleGrade BHeat-up schedule is required4.1.4 Type IVMolded, for use to 1000F (538C).Grade ARequires no heat-up sc
20、heduleGrade BHeat-up schedule is required4.1.5 Type VMolded, for use to 1400F (760C)Grade ARequires no heat-up scheduleGrade BHeat-up schedule is requiredNOTE 1Warning: Grade B may not be suitable for applicationsrequiring hot installation capability at the maximum temperature indi-cated. Products h
21、aving a Grade B designation are designed to be used witha heat-up schedule. Failure to use a heat-up schedule with Grade Bproducts may lead to an exothermic reaction. This is dependent onthickness and temperature. Consult the manufacturer or manufacturersliterature for special heat rate consideratio
22、ns.4.2 Binder decomposition at elevated temperature may be alimiting factor in certain applications. Consult the manufac-turer regarding special heat rate considerations.5. Materials and Manufacturer5.1 Composition The mineral fiber insulation for pipesshall be manufactured from mineral substance su
23、ch as rock,slag, or glass, processed from a molten state into fibrous formwith binder. Asbestos shall not be used as an ingredient orcomponent part. Some products may also contain adhesive.5.2 Jackets (Facings)The user of this specification has theoption to specify that the insulation be jacketed.NO
24、TE 2The user is advised that the maximum use temperature offactory-applied facings and adhesives may be lower than the maximumuse temperature of the insulation. The specifier shall ensure that sufficientinsulation thickness is installed so none of these accessory items (facingsand adhesives) are exp
25、osed to temperatures above their maximum usetemperature. The products covered by this standard are predominantlyinorganic in nature. Organic facings, adhesives and binders are also usedin the construction of these products. The resulting composite thereforecould have increased combustibility.6. Phys
26、ical Requirements6.1 The product shall conform to the following require-ments in addition to those specified in Table 1.6.2 Hot Surface Performance:6.2.1 The product shall not crack, warp, flame, or glowduring hot surface exposure. No evidence of melting or fiberdegradation shall be evident upon pos
27、t test inspection.6.2.2 For Grade A products the insulations internal tem-perature rise (exotherm) shall not exceed the pipe temperatureby more than 200F (111C).6.3 Non-fibrous (Shot) Content:6.3.1 The non-fibrous content of a rock- or slag-basedproduct shall not exceed 25 % by weight.6.4 For Naval
28、Sea Systems Command (NAVSEA)acceptance, materials must also comply with SupplementalRequirements. See Annex A1 of this standard.7. Standard Shapes, Sizes, and Dimensions7.1 The basic shape of mineral fiber pipe insulation forms aright annular cylinder, which is radially slit on at least one sideof t
29、he cylinder axis. It is furnished in sections or segmentsdesigned to fit standard sizes of pipe and tubing.7.2 Typical available thicknesses range from nominal12-in.(13 mm) to nominal 6-in. (152 mm), single or double layer, in12-in. increments for most pipe and tubing sizes.7.3 Individual dimensions
30、 for inner diameter and wallthickness shall conform to Practice C585.7.4 Standard section or segment length shall be 3 ft (0.91m)or as agreed upon between the buyer and seller.8. Dimensional Tolerances8.1 Length equals 618-in. (3 mm).8.2 When installed on a nominal pipe or tubing size asdefined in P
31、ractice C585, the insulation shall fit snugly andhave tight longitudinal and circumferential joints.8.3 The inner and outer bore of the insulation shall beconcentric to the outer surface. The deviation from concentric-ity shall not exceed316 in. (5 mm).3Available from Underwriters Laboratories (UL),
32、 2600 N.W. Lake Rd., Camas,WA 98607-8542, http:/.4Available from National Fire Protection Association (NFPA), 1 BatterymarchPark, Quincy, MA 02169-7471, http:/www.nfpa.org.5Available from Underwriters Laboratories of Canada, 7 Crouse Road,Scarborough, Ontario MIR3A9.C547 1529. Workmanship9.1 The ins
33、ulation shall not have defects that will adverselyaffect installation or service quality.10. Sampling10.1 When specified in the purchase order or contract,sampling and acceptance shall be in accordance with PracticeC390.11. Test Methods11.1 The properties in this specification shall be determinedin
34、accordance with the following test methods, with jacketingexcluded unless stated otherwise.11.1.1 Density and DimensionsTest Method C302.11.1.2 Linear Shrinkage Test Method C356.11.1.3 Thermal ConductivityTest Method C335/C335M.11.1.3.1 Thermal performance shall be characterized on a3-in. NPS 2-in.
35、pipe insulation size. Thermal performancemust be assessed on actual pipe insulation sections. Dataobtained on flat samples, using Test Method C177, shall not beused to state compliance with this specification.11.1.3.2 Practice C1058/C1058M may be used to obtainrecommended test temperature combinatio
36、ns for testing pur-poses.11.1.3.3 As specified in C1045, the range of test conditionsmust include at least one test where the hot surface temperatureis greater than, or equal to, the hot limit of the temperaturerange of desired data and at least one test where the coldsurface temperature is less tha
37、n, or equal to, the cold limit ofthe temperature range desired. At least two additional testsshall be distributed somewhat evenly over the rest of thetemperature range.11.1.3.4 Final analysis of the thermal data shall be con-ducted in accordance with C1045 to generate a thermalconductivity versus te
38、mperature relationship for the specimen.11.1.3.5 The final step of C1045 analysis is to calculate thethermal conductivity using the equations generated at a set ofmean temperatures for comparison to the specification.Warning While it is recommended that the specificationdata be presented as thermal
39、conductivity versus temperature,several existing specifications may contain mean temperaturedata from tests conducted at specific hot and cold surfacetemperatures. In these cases, the conductivity as a function oftemperature from the C1045 analysis may provide differentresults. To insure that the da
40、ta is compatible, a C680 analysis,using the thermal conductivity versus temperature relationshipfrom C1045 and the specific hot and cold surface temperatures,is required to determine the effective thermal conductivity forcomparison to the specification requirements.11.1.4 Water Vapor SorptionTest Me
41、thod C1104/C1104M.11.1.5 Surface Burning CharacteristicsTest Method E84.11.1.5.1 Flat specimens otherwise identical in compositionto pipe insulation shall be used. This applies to plain andfactory-jacketed products, with and without self-sealing longi-tudinal lap closure systems.11.1.5.2 Test Method
42、s UL 723 or NFPA 255 may besubstituted for Test Method E84. These methods are largelyconsidered synonymous by most building officials.11.1.5.3 For Canada, test in accordance with Test MethodCAN/ULC-S102. When the referenced Canadian document inthis specification is referred to in applicable Canadian
43、 buildingcodes, the editions, referenced by those building codes, shallgovern.TABLE 1 Requirements of Mineral Fiber Pipe Insulation (Grades A molded; physicalproperties; pipe insulation; precision v-groove; thermal prop-ertiesANNEX(Mandatory Information)A1. MINERAL FIBER PIPE INSULATION COMPRESSION
44、RESILIENCY FOR NAVSEAA1.1 ScopeA1.1.1 In addition to the requirements of this standard,additional compression resiliency testing is required for NavalSea System Command (NAVSEA) acceptance.A1.2 BackgroundA1.2.1 NAVSEA engineers, builds and supports AmericasFleet of ships and combat systems. This tes
45、t is only required ifNAVSEA acceptance is desired.C547 154A1.3 Test OverviewA1.3.1 Three 12-in. segments of half-round 3 by 2 in. (80by 50 mm) thick mineral fiber pipe insulation are measured forinitial thickness, then compressed 10 times to a maximum loadof 200 lbs., then re-measured for thickness
46、recovery aftercompression.A1.4 ApparatusA1.4.1 Universal testing machine,A1.4.2 Pin gauge as specified in Test Methods C167,A1.4.3 Steel rule graduated in132 in. (1 mm),A1.4.4 A 12 in. (305 mm) length of schedule 40, 3-in. (80mm) nominal pipe size (NPS),A1.4.5 A 12 in. (305 mm) length of channel or
47、I-beam forsupporting the 3-in. pipe,A1.4.6 A sample of 3-in. x 2-in. (80 mm by 50 mm) thickmineral fiber pipe insulation, andA1.4.7 A 12-in. (305 mm) saddle conforming to the outsidediameter of the insulation.A1.5 Sample PreparationA1.5.1 Three 12-in. (305 mm) long, half-round segments of32-in. (80
48、mm by 50 mm) mineral fiber pipe insulation are cutfrom a full-round section.A1.6 Thickness DeterminationA1.6.1 Ahalf-round 12-in. (305 mm) length of 3 2-in. (80by 50 mm) pipe insulation is placed on a 3-in. (80 mm) NPSpipe and measured for thickness using the pin gauge and steelrule. The measurement
49、s are in the center of the insulationlength and 3-in. (75 mm) from each end. These values arerecorded as the initial thickness. The measurement points aremarked as the re-measurement points after compression. SeeFig. A1.1.A1.7 Compression SaddleA1.7.1 The sheet metal comprising the radius of the saddleshall be132 in. (13 gauge) (2 mm) or greater. See Fig. A1.2.A1.7.2 An alternative to metal is to use a half round of 8-in.nominal (280 mm) Schedule 80 PVC piping which has anaverage inside diameter of 7.565 in. (192 m
