1、Designation: C552 12bC552 13Standard Specification forCellular Glass Thermal Insulation1This standard is issued under the fixed designation C552; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A number i
2、n 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 composition, sizes, dimensions,
3、and physical properties of cellular glass thermal insulationintended for use on surfaces operating at temperatures between 450 and 800F (268 and 427C). It is possible that specialfabrication or techniques for pipe insulation, or both, will be required for application in the temperature range from 25
4、0 to 800F(121 to 427C). Contact the manufacturer for recommendations regarding fabrication and application procedures for use in thistemperature range. For specific applications, the actual temperature limits shall be agreed upon between the manufacturer and thepurchaser.1.2 It is anticipated that s
5、ingle-layer pipe insulation in half sections or the inner layer of a multilayer system have the potentialto exhibit stress cracks above 250F (122C).1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematicalconversions to SI units that a
6、re provided for information only and are not considered standard.1.4 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 appl
7、icability of regulatorylimitations prior to use.2. Referenced Documents2.1 ASTM Standards:2C165 Test Method for Measuring Compressive Properties of Thermal InsulationsC168 Terminology Relating to Thermal InsulationC177 Test Method for Steady-State Heat Flux Measurements and Thermal Transmission Prop
8、erties by Means of theGuarded-Hot-Plate ApparatusC203 Test Methods for Breaking Load and Flexural Properties of Block-Type Thermal InsulationC240 Test Methods of Testing Cellular Glass Insulation BlockC302 Test Method for Density and Dimensions of Preformed Pipe-Covering-Type Thermal InsulationC303
9、Test Method for Dimensions and Density of Preformed Block and BoardType Thermal InsulationC335 Test Method for Steady-State Heat Transfer Properties of Pipe InsulationC390 Practice for Sampling and Acceptance of Thermal Insulation LotsC411 Test Method for Hot-Surface Performance of High-Temperature
10、Thermal InsulationC450 Practice for Fabrication of Thermal Insulating Fitting Covers for NPS Piping, and Vessel LaggingC518 Test Method for Steady-State Thermal Transmission Properties by Means of the Heat Flow Meter ApparatusC585 Practice for Inner and Outer Diameters of Thermal Insulation for Nomi
11、nal Sizes of Pipe and TubingC692 Test Method for Evaluating the Influence of Thermal Insulations on External Stress Corrosion Cracking Tendency ofAustenitic Stainless SteelC795 Specification for Thermal Insulation for Use in Contact with Austenitic Stainless SteelC871 Test Methods for Chemical Analy
12、sis of Thermal Insulation Materials for Leachable Chloride, Fluoride, Silicate, andSodium Ions1 This specification is under the jurisdiction of ASTM Committee C16 on Thermal Insulation and is the direct responsibility of Subcommittee C16.20 on HomogeneousInorganic Thermal Insulations.Current edition
13、 approved Oct. 1, 2012Sept. 1, 2013. Published October 2012September 2013. Originally approved in 1965 to replace C381 58 and C343 56. Lastprevious edition approved in 2012 as C552 12a.C552 12b. DOI: 10.1520/C0552-12B.10.1520/C0552-13.2 For referencedASTM standards, visit theASTM website, www.astm.o
14、rg, or contactASTM Customer Service at serviceastm.org. ForAnnual Book ofASTM 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 States1C1045 Practice for Calculating Thermal Transmission Properties Under Steady-State ConditionsC1058 Practice for Selecting Temperatures for Evaluating and Reporting Thermal Prope
17、rties of Thermal InsulationC1114 Test Method for Steady-State Thermal Transmission Properties by Means of the Thin-Heater ApparatusC1617 Practice for Quantitative Accelerated Laboratory Evaluation of Extraction Solutions Containing Ions Leached fromThermal Insulation on Aqueous Corrosion of MetalsC1
18、639 Specification for Fabrication Of Cellular Glass Pipe And Tubing InsulationD226 Specification for Asphalt-Saturated Organic Felt Used in Roofing and WaterproofingD312 Specification for Asphalt Used in RoofingE84 Test Method for Surface Burning Characteristics of Building MaterialsE96/E96M Test Me
19、thods for Water Vapor Transmission of Materials2.2 ISO Document:ISO 3951 Sampling Procedure and Charts for Inspection by Variables for Percent Defective33. Terminology3.1 For definitions used in this specification, see Terminology C168.3.2 Definitions of Terms Specific to This Standard:3.2.1 boardfa
20、bricated sections of cellular glass adhered and together covered with a facing such as a laminated kraft paperadhered to both faces.4. Classification44.1 Cellular glass insulation covered by this specification shall be classified in the seven grades shown in Table 1. Grades varyin compressive streng
21、th, density, thermal conductivity, and flexural strength. Cellular glass insulation is furnished in the followingtypes:4.1.1 Type IFlat block manufactured,4.1.2 Type IIPipe and tubing insulation fabricated from Type I,4.1.3 Type IIISpecial shapes fabricated from Type I,4.1.4 Type IVBoard fabricated
22、from Type I,NOTE 1Types not listed here may not be commercially available. These would be considered special order items.5. Ordering Information5.1 Purchase orders for cellular glass insulation furnished to this specification shall include the following information:5.1.1 Type designation (see 4.1),5
23、.1.2 Dimensions according to type (see Section 9), and5.1.3 Jacketing when required.5.2 Any special requirements, such as, type, fabrication combinations not listed in accordance with Section 4, nonstandarddimensions in accordance with Section 9, inspection requirements in accordance with Section 13
24、, or certification requirements inaccordance with Section 16 shall be agreed upon between the purchaser and the supplier and stated in the purchase contract.6. Materials and Manufacture6.1 The block material shall consist of a glass composition that has been foamed or cellulated under molten conditi
25、ons,annealed, and set to form a rigid noncombustible material with hermetically sealed cells. The material shall be trimmed into blocksof standard dimensions that are rectangular or tapered.6.2 Special shapes and pipe covering shall be fabricated from blocks in accordance with Practices C450, C585 a
26、nd SpecificationC1639.6.3 Board, tapered or flat, shall be fabricated from blocks.7. Physical Properties7.1 The cellular glass insulation shall conform to the physical requirements in Table 1. Contact the manufacturer for specificdesign recommendations for all material types.8. Qualification Require
27、ments8.1 The following requirements are generally employed for the purpose of initial material or product qualification for Type I,Block Material:3 Available from American National Standards Institute (ANSI), 25 W. 43rd St., 4th Floor, New York, NY 10036, http:/www.ansi.org.4 Type and grade designat
28、ions are in accordance with Form and Style for ASTM Standards, Part B, 10th ed., Section B8., January 1996.Section B8, March 2002.C552 132TABLE 1 Physical RequirementsATYPE I BLOCKPropertiesDensity, lb/ft3 (kg/m3)Minimum 6.12 (98)Maximum 8.62 (138)Compressive strength, capped,B min, psi (kPa) (Cappe
29、d material in accordance withTest Methods C240) 60 (415)Compressive resistance, uncapped, min, psi (kPa) (Uncapped at 0.2-in. deformation) 35 (242)Flexural strength, min, psi (kPa) 41 (283)Water absorption, max, volume % 0.5Water vapor permeability, max, perin. or grainsin. of thickness/hft2in.Hg (n
30、gPa1s1 m1) 0.005 (0.007)Hot-surface performance warpage, in. (mm), max 0.125 (3)Cracking see 12.8.1Behavior of materials in a vertical tube furnace passedSurface burning characteristicsCFlame spread index, max 5Smoke developed index, max 0Mass Loss Corrosion Rate # DIApparent Thermal ConductivityD,E
31、 : flat block, max(Btu-in./hft2F) (W/mK) at mean temperature of:F (C)400 (204) 0.58 (0.084)300 (149) 0.48 (0.070)200 (93) 0.40(0.058)100(38) 0.33 (0.047)75 (24) 0.31 (0.045)50 (10) 0.29 (0.043)0 (18) 0.27(0.038)50 (46) 0.24 (0.034)100 (73) 0.21 (0.031)150 (101) 0.19(0.027)200 (129) 0.17 (0.025)250 (
32、157) 0.15 (0.022)300 (184) 0.14 (0.020)TYPE II PIPE AND TUBINGApparent thermal conductivityD,F,G,HPipe insulation, max, (Btuin./hft2F) (W/mK) at mean tempera-ture of:F (C)400 (205) 0.69 (0.099)300 (149) 0.56 (0.081)200 (93) 0.46 (0.066)100 (38) 0.37 (0.053)Hot-surface performance warpage, in. (mm),
33、max 0.125 (3)Cracking see 12.8.1TABLE 1 Physical RequirementsA,BTYPE I BLOCKProperties Grade 6 Grade 8 Grade 10 Grade 12 Grade 14 Grade 16 Grade 24Compressive strength, capped, min, psi (kPa)(Capped material in accordance with TestMethods C240)60 (414) 80 (552) 100 (689) 120 (827) 140 (965) 160 (110
34、3) 240 (1655)Density, lb/ft3 (kg/m3) 6.12 (98) 6.3 (102) 6.9 (110) 7.4 (119) 8.0 (128) 8.5 (136) 10.6 (170)MinimumCompressive resistance, uncapped, min, psi(kPa) (Uncapped at 0.2-in. deformation) 35 (242) N/AC N/AC N/AC N/AC N/AC N/ACFlexural strength, min, psi (kPa) 41 (283) 45 (310) 51(351) 56 (38
35、6) 63 (434) 69 (476) 91 (627)Water absorption, max, volume % 0.5 0.5 0.5 0.5 0.5 0.5 0.5Water vapor permeability, max, perin. orgrainsin. of thickness/hft2in.Hg (ngPa1s1 m1)0.005 (0.007) 0.005 (0.007) 0.005(0.007) 0.005 (0.007) 0.005(0.007) 0.005 (0.007) 0.005 (0.007)Hot-surface performance warpage,
36、 in. (mm),max 0.125 (3) 0.125 (3) 0.125 (3) 0.125 (3) 0.125 (3) 0.125 (3) 0.125 (3)Cracking per 12.8.1 pass pass pass pass pass pass passBehavior of materials in a vertical tube furnace passed passed passed passed passed passed passedSurface burning characteristicsDFlame spread index, max 5 5 5 5 5
37、5 5Smoke developed index, max 0 0 0 0 0 0 0Mass Loss Corrosion Rate # DIE # DI # DI # DI # DI # DI # DIApparent Thermal ConductivityF,G : flat block,maxBtu-in./hft2F (W/mK) at mean temperatureof:C552 1338.1.1 Compressive strength.8.1.2 Flexural strength.8.1.3 Water absorption.8.1.4 Water vapor perme
38、ability.8.1.5 Thermal conductivity.8.1.6 Hot-surface performance.8.1.7 Surface burning characteristics.8.2 The following requirements are generally employed for qualification of Type II, pipe and tubing insulation:8.2.1 Thermal Conductivity.8.2.2 Type II, pipe and tubing insulation shall be fabricat
39、ed from material having met the qualification requirements of TypeI.Grade 6 Type I block.8.3 Type III and Type IV material shall be fabricated from material having met the qualification requirements of Type I.Grade6 Type I block.9. Dimensions, Mass, and Permissible Variations9.1 Type I, Flat BlockBl
40、ocks shall be nominal rectangular sections. The dimensions shall be as agreed upon by the purchaserand the supplier. Cellular glass thermal insulation block is available in lengths up to 36 in. (914 mm), widths up to 18 in. (457mm),and thicknesses from 1.5 in. (38 mm) to 7 in. (178mm).9.2 Type II, P
41、ipe and Tubing InsulationSee Specification C1639.TYPE I BLOCKProperties Grade 6 Grade 8 Grade 10 Grade 12 Grade 14 Grade 16 Grade 24Compressive strength, capped, min, psi (kPa)(Capped material in accordance with TestMethods C240)60 (414) 80 (552) 100 (689) 120 (827) 140 (965) 160 (1103) 240 (1655)F
42、(C)400 (204) 0.58 (0.084) 0.58 (0.084) 0.58 (0.084) 0.60 (0.086) 0.61 (0.087) 0.61 (0.088) 0.65 (0.094)300 (149) 0.48 (0.070) 0.50 (0.072) 0.51 (0.074) 0.51 (0.074) 0.52 (0.075) 0.52 (0.076) 0.57 (0.082)200 (93) 0.40 (0.058) 0.41 (0.058) 0.42 (0.061) 0.43 (0.062) 0.44 (0.063) 0.45 (0.064) 0.49 (0.07
43、1)100(38) 0.33 (0.047) 0.34 (0.049) 0.35 (0.050) 0.36 (0.052) 0.37 (0.053) 0.38 (0.054) 0.42 (0.061)75 (24) 0.31 (0.045) 0.32 (0.046) 0.33 (0.048) 0.35 (0.050) 0.36 (0.051) 0.36 (0.052) 0.40 (0.058)50 (10) 0.29 (0.043) 0.31 (0.044) 0.32 (0.046) 0.33 (0.048) 0.34 (0.049) 0.35 (0.050) 0.39 (0.056)0 (1
44、8) 0.27 (0.038) 0.28 (0.040) 0.29 (0.042) 0.30 (0.043) 0.31 (0.045) 0.32 (0.046) 0.36 (0.051)50 (46) 0.24 (0.034) 0.25 (0.036) 0.26 (0.037) 0.28 (0.040) 0.28 (0.040) 0.29 (0.042) 0.33 (0.050)100 (73) 0.21 (0.031) 0.23 (0.033) 0.24 (0.035) 0.25 (0.037) 0.26 (0.037) 0.27 (0.039) 0.31 (0.045)150 (101)
45、0.19 (0.027) 0.20 (0.029) 0.22 (0.032) 0.23 (0.034) 0.24 (0.035) 0.25 (0.036) 0.29 (0.042)200 (129) 0.17 (0.025) 0.18 (0.026) 0.20 (0.029) 0.21 (0.031) 0.22 (0.032) 0.23 (0.033) 0.27 (0.041)250 (157) 0.15 (0.022) 0.17 (0.025) 0.18 (0.026) 0.19 (0.029) 0.20 (0.029) 0.21 (0.031) 0.25 (0.036)300 (184)
46、0.14 (0.020) 0.15 (0.022) 0.16 (0.023) 0.17 (0.025) 0.18 (0.026) 0.19 (0.027) 0.23 (0.034)TYPE II PIPE AND TUBINGApparent thermal conductivityF,H,I,JPipe insulation, max, Btuin./hft2F (W/mK)at mean temperature of:F (C)400 (205) 0.69 (0.099)300 (149) 0.56 (0.081)200 (93) 0.46 (0.066)100 (38) 0.37 (0.
47、053)Hot-surface performance warpage, in. (mm),max0.125 (3)Cracking per 12.8.1 passA Physical property requirements shown are for the materials in the as-manufactured condition. They do not necessarily represent the values of these properties undercertain in-service conditions, depending on the type
48、of installation and the ultimate temperature exposure.B For information on higher density and compressive strength material, contact the manufacturers. Types II, III, and IV are fabricated from Type 1, Grade 6 block.C N/A = Not Applicable.D For Types II and III, smoke developed index and flame sprea
49、d index will remain constant with some fabrication techniques and will change with other fabricationtechniques. For applications requiring a flame spread index of 25 and a smoke developed index of 50, contact fabricator or manufacturer.E DI = deionized water.F Thermal transmission properties of insulation will vary with temperature, temperature gradient, thickness, and shape. Note the apparent thermal conductivity values inthe table are based on samples tested under conditions specified i
