ASTM C533-2011 Standard Specification for Calcium Silicate Block and Pipe Thermal Insulation《硅酸钙块和管道保温材料的标准规格》.pdf

1、Designation: C533 11Standard Specification forCalcium Silicate Block and Pipe Thermal Insulation1This standard is issued under the fixed designation C533; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A

2、 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 calcium silicate block and

3、pipethermal insulation for use on surfaces with temperaturesbetween 80 and 1700F (27 to 927C), unless otherwise agreedupon between the manufacturer and the purchaser.1.2 The values stated in inch-pound units are to be regardedas standard. The values given in parentheses are mathematicalconversions t

4、o 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 12) described in this specification: Thisstandard does not purport to address all of the safety concerns,if any, associated with its use.

5、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.2. Referenced Documents2.1 ASTM Standards:2C165 Test Method for Measuring Compressive Propertiesof Thermal InsulationsC168

6、Terminology Relating to Thermal InsulationC177 Test Method for Steady-State Heat Flux Measure-ments and Thermal Transmission Properties by Means ofthe Guarded-Hot-Plate ApparatusC203 Test Methods for Breaking Load and Flexural Prop-erties of Block-Type Thermal InsulationC302 Test Method for Density

7、and Dimensions of Pre-formed Pipe-Covering-Type Thermal InsulationC303 Test Method for Dimensions and Density of Pre-formed Block and BoardType Thermal InsulationC335 Test Method for Steady-State Heat Transfer Proper-ties of Pipe InsulationC356 Test Method for Linear Shrinkage of PreformedHigh-Tempe

8、rature Thermal Insulation Subjected to Soak-ing HeatC390 Practice for Sampling and Acceptance of ThermalInsulation LotsC411 Test Method for Hot-Surface Performance of High-Temperature Thermal InsulationC421 Test Method for Tumbling Friability of PreformedBlock-Type and Preformed Pipe-Covering-Type T

9、hermalInsulationC518 Test Method for Steady-State Thermal TransmissionProperties by Means of the Heat Flow Meter ApparatusC585 Practice for Inner and Outer Diameters of ThermalInsulation for Nominal Sizes of Pipe and TubingC795 Specification for Thermal Insulation for Use in Con-tact with Austenitic

10、 Stainless SteelC870 Practice for Conditioning of Thermal Insulating Ma-terialsC1045 Practice for CalculatingThermalTransmission Prop-erties Under Steady-State ConditionsC1058 Practice for Selecting Temperatures for Evaluatingand Reporting Thermal Properties of Thermal InsulationC1114 Test Method fo

11、r Steady-State Thermal TransmissionProperties by Means of the Thin-Heater ApparatusC1616 Test Method for Determining the Moisture Contentof Organic and Inorganic Insulation Materials by WeightC1617 Practice for Quantitative Accelerated LaboratoryEvaluation of Extraction Solutions Containing IonsLeac

12、hed from Thermal Insulation on Aqueous Corrosionof MetalsE84 Test Method for Surface Burning Characteristics ofBuilding MaterialsE136 Test Method for Behavior of Materials in a VerticalTube Furnace at 750C1This specification is under the jurisdiction of ASTM Committee C16 onThermal Insulation and is

13、 the direct responsibility of Subcommittee C16.20 onHomogeneous Inorganic Thermal Insulations.Current edition approved Sept. 15, 2011. Published September 2011. Originallyapproved in 1964 to replace C344 and C345. Last previous edition approved in 2009as C533 09. DOI: 10.1520/C0533-11.2For reference

14、d 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.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Con

15、shohocken, PA 19428-2959, United States.3. Terminology3.1 DefinitionsFor definitions used in this specification,see Terminology C168.4. Classification4.1 Thermal insulation shall be of the following types:4.1.1 Type IBlock for use on surfaces at temperature from140F (60C) to to 1200F (649C).4.1.2 Ty

16、pe IPipe for use on surfaces at temperature from140F (60C) to to 1200F (649C).4.1.3 Type IABlock for use on surfaces at temperaturesfrom 140F (60C) to to 1200F (649C).4.1.4 Type IIBlock for use on surfaces at temperaturesfrom 140F (60C) to 1700F (927C).5. Description5.1 CompositionCalcium silicate t

17、hermal insulation shallconsist principally of hydrous calcium silicate usually with theincorporation of fibrous reinforcement. Asbestos shall not beused as a component in the manufacture of the material.6. Physical Requirements6.1 The insulation shall conform to the physical require-ments of Table 1

18、.7. Standard Shapes, Sizes, and Dimensions7.1 Calcium silicate block-type thermal insulation shall besupplied in the form of pipe insulation, flat block or curvedblocks as specified. Standard sizes of the block type insulationshall be as follows:7.1.1 Flat BlockFlat block shall be furnished in lengt

19、hs of36 in. (458 or 914 mm), widths of 6 to 36 in. (152 to 914 mm),and thicknesses from 1 to 6 in. (25 to 152 mm) in12-in.(13-mm) increments. Thicknesses greater than 3 in. (76 mm)shall be furnished in one or more layers as agreed upon bypurchaser and manufacturer.7.1.2 Curved BlockCurved block shal

20、l be furnished inlengths of 36 in. (914 mm), widths of approximately 6 to 12 in.(152 or 305 mm), thicknesses of 112 to 4 in. (38 to 101 mm) in12-in. (13-mm) increments, and curved to inside radii of over1612 in. (419 mm). Individual dimensions shall conform tothose specified by the manufacturer.TABL

21、E 1 Physical RequirementsNOTE 1The physical requirements are based on the properties of samples dried or conditioned, or both, as specified in the referenced test methods.Calcium silicate insulation tends to absorb moisture to varying degrees depending on exposure conditions. It can absorb up to 4 t

22、imes its dry weight ifplaced in direct contact with water through improper storage or application.NOTE 2The user is advised that some applications could require the knowledge of the thermal conductivity of the insulation material at meantemperatures above those shown. Consult the manufacturer for da

23、ta at mean temperatures exceeding those listed.Type I Type IA Type IIBlock and Pipe Block BlockUse temperature, max, F (C) 1200 (649) 1200 (649) 1700 (927)Density (dry), max, lb/ft3(kg/m3) 15 (240) 22 (352) 22 (352)Flexural strength, min, psi (kPa) 50 (344) 50 (344) 50 (344)Compressive strength, min

24、, at 5 % deformation, psi (kPa) 100 (688) 100 (688) 100 (688)Mass loss by tumbling, max, %after first 10 minutes 20 20 20after second 10 minutes 40 40 40Soaking heat linear shrinkage, max,% 2 2 2Hot surface performance:warpage, max, in. (mm)14 (6)14 (6)14 (6)cracking No cracks completely through the

25、 insulation thickness. Surface cracks on hot face are acceptableApparent thermal conductivityA(see Note 2)Btu-in./h-ft2-F (W/m-K)max at meantemperature of:100F (38C) 0.41 (0.059) 0.50 (0.072) 0.50 (0.072)200F (93C) 0.45 (0.065) 0.54 (0.078) 0.54 (0.078)300F (149C) 0.50 (0.072) 0.58 (0.084) 0.58 (0.0

26、84)400F (204C) 0.55 (0.079) 0.61 (0.088) 0.61 (0.088)500F (260C) 0.60 (0.087) 0.64 (0.092) 0.64 (0.092)600F (316C) 0.66 (0.095) 0.67 (0.097) 0.67 (0.097)700F (371C) 0.71 (0.102) 0.70 (0.101) 0.70 (0.101)800F (427C) . 0.73 (0.105)900F (482C) . 0.75 (0.108)1000F (538C) . 0.77 (0.111)Surface burning ch

27、aracteristics:Flame spread index, max 0 0 0Smoke density index, max 0 0 0Non-Combustibilty Pass Pass PassMass Loss Corrosion RateStress CorrosionPerformance# DIPassMoisture content, by weight, max % 20 20 20AThe thermal transmission properties of calcium silicate block and pipe insulation vary with

28、temperature, temperature gradient, moisture content, thickness, and shape.Note that the apparent thermal conductivity requirements in the table are based on samples tested under the conditions specified in 12.1.2. These are comparative valuesfor establishing specification compliance. They do not rep

29、resent the installed performance of the insulation under use conditions differing substantially from the testconditions.C533 1127.1.3 Grooved BlockGrooved block shall be furnished inlengths of 36 in. (914 mm), widths of 12 or 18 in. (305 or 458mm), and thicknesses from 1 to 6 in. (25 to 152 mm) in12

30、-in.(13-mm) increments. Size and spacing of grooves shall be asspecified by the manufacturer.7.2 Calcium Silicate Pipe InsulationCalcium silicate pipeinsulation shall be supplied either as hollow cylindrical shapessplit in half lengthwise (in a plane including the cylindricalaxis) or as curved segme

31、nts. The pipe insulation shall befurnished in sections or segments in a length of 36 in. (914mm) , unless otherwise agreed upon by the Purchaser, to fitstandard sizes of pipe and tubing, and in nominal wallthicknesses from 1 to 6 in. (25 to 152 mm), in12 in. (13 mm)increments. Thicknesses greater th

32、an 3 in. (76 mm) shall befurnished in one or more layers as agreed upon by between thepurchaser and the manufacturer. Inner and outer diametersshall be in accordance with those standard dimensions speci-fied in Practice C585.NOTE 1When multilayer sectional pipe insulation is required, it isnecessary

33、 to consider the inside and outside diameters of each layer toensure proper nesting of materials when installed. Necessity of furnishingmultilayer pipe insulation nested from the manufacturer shall be based onmanufacturers ability to control outside diameters on inner layers to notgreater than insid

34、e diameters, at minus tolerances, of nesting outer layerunder normal production, as agreed to between purchaser and manufac-turer.8. Dimensional Tolerances8.1 GeneralThe average tolerances for length, width, andthickness shall be as following:Block PipeLength 618 in. (3 mm) 618 in. (3 mm)Width 618 i

35、n. (3 mm)Thickness 618 in. (3 mm)Inner Diameter in accordance with Practice C585Outer Diameter in accordance with Practice C5858.2 Pipe InsulationThe following additional dimensionaltolerances apply only to calcium silicate pipe insulation sup-plied as half sections.8.2.1 Fit and ClosureWhen fitted

36、to the appropriate sizepipe by banding on 9-in. (229-mm) centers, the longitudinalseams on both sides of the pipe insulation shall close to within116 in. (2 mm) along the entire length of the section.8.2.2 ConcentricityThe inner bore of the pipe insulationshall be concentric with the outer cylindric

37、al surface. Thedeviation from concentricity shall not exceed18 in. (3 mm) or5 % of the wall thickness, whichever is greater.8.2.3 Half-Section BalanceThe plane formed by the slitbetween half sections shall include the cylindrical axis. Devia-tion of the slit plane from the cylindrical axis over a 36

38、-in.(914-mm) length shall not exceed18 in. (3 mm).8.3 Grooved BlockThe following additional requirementsapply only to calcium silicate block insulation containinggrooves and intended for installation over curved surfaces, 20in. (508 mm) in diameter of larger.8.3.1 Fit and ClosureWhen fitted to the c

39、urved surface,the grooves shall close to18 in. (3 mm) or less through thedepth of the groove. The exposed surface crack shall not openmore than18 in. (3 mm).9. Workmanship9.1 Since some requirements for this material are not easilydefined by a numerical value, the insulation shall not havevisible de

40、fects that will adversely affect its service qualities.10. Sampling10.1 The insulation shall be sampled in accordance withPractice C390. Specific provision for sampling shall be agreedupon between the purchaser and the supplier as part of thepurchase contract.11. Qualification Requirements11.1 The f

41、ollowing requirements are generally employed forpurpose of initial material or product qualification:11.1.1 Flexural strength.11.1.2 Compression strength.11.1.3 Mass loss by tumbling.11.1.4 Linear shrinkage after soaking heat.11.1.5 Hot surface performance.11.1.6 Apparent thermal conductivity.11.1.7

42、 Surface burning characteristics.11.1.8 Moisture content.11.1.9 Non-Combustibility.11.1.10 Stress Corrosion Performance (Type I only).11.1.11 Mass Loss Corrosion Rate (Type I only).12. Test Methods12.1 The properties enumerated in this specification shall bedetermined in accordance with the followin

43、g test methods.Samples shall be preconditioned in accordance with PracticeC870.12.1.1 Density and Dimensions:12.1.1.1 Block InsulationTest Method C303.12.1.1.2 Pipe InsulationTest Method C302.12.1.2 Apparent Thermal Conductivity:12.1.2.1 GeneralApparent thermal conductivity versusmean temperature sh

44、all be calculated in accordance withPractice C1045. Determinations shall be made at four or moremean temperatures. Two of the test mean temperatures shall bewithin 50F (28C) of the highest and lowest mean temperaturespecified in Table 1 for the appropriate material type. The othertwo determinations

45、shall be made at mean temperatures spacedequally within the specified range. All test temperatures shallbe selected in accordance with Practice C1058 and reported inthe test results.12.1.2.2 The results of these tests shall be interpolatedthrough reasonable curve fitting or numerical techniques, toe

46、stablish the apparent thermal conductivity at the specifiedmean temperature.12.1.2.3 Block InsulationTest Methods C177, C518,orC1114 using 112 612 in. (38 6 13 mm) thick specimens ofblock insulation.12.1.2.4 Pipe InsulationTest Method C335 using 112 612 in. (386 13 mm) thick specimens of pipe insula

47、tion assupplied for a fit to 3 in. nominal iron pipe.12.1.3 Linear Shrinkage After Heat SoakingTest MethodC356. The test temperature shall be as specified in 4.1.12.1.4 Flexural Strength:C533 11312.1.4.1 Block InsulationTest Methods C203.12.1.4.2 Pipe InsulationTest Method .12.1.5 Compressive Streng

48、th (Block Insulation Only)TestMethod C165, Procedure A.12.1.6 Mass Loss by TumblingTest Method C421.12.1.7 Hot Surface PerformanceTest Method C411. Thetest temperature shall be that specified in 4.1 or the manufac-turers recommended temperature limit, whichever is higher.The thickness of the specime

49、n shall be the manufacturersrecommended thickness for the test temperature.12.1.8 Surface Burning CharacteristicsThe flame spreadindex and the smoke development index shall be determinedusing Test Method E84.12.1.9 Stress Corrosion PerformanceTest according tothe test method in Specification C795 (Type I only).12.1.10 Moisture Content By Dry Weight:See Test Method C1616.12.1.11 Non-CombustibilityA material shall be deter-mined to be non-combustible if it passes the requirements