1、Designation: C656 07 (Reapproved 2013)Standard Specification forStructural Insulating Board, Calcium Silicate1This standard is issued under the fixed designation C656; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of las
2、t revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope1.1 This specification covers structural insulating board forgeneral thermal insulating, fire-resistive, and marine bulkheada
3、pplications. The rigid, preformed structural insulating board isfor use at temperatures up to 1700F (927C). For specificapplications, the actual temperature limit shall be agreed uponbetween the manufacturer and the purchaser.1.2 The structural insulating board maintains its structuralintegrity afte
4、r immersion in water.1.3 Rapid cycling over a wide temperature range is notrecommended because of potential damage due to thermalshock.1.4 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 fo
5、r information onlyand are not considered standard.1.5 This standard does not purport to address all of 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 r
6、egulatory limitations prior to use.1.6 When the installation or use of thermal insulationmaterials, accessories and systems, may pose safety or healthproblems, the manufacturer shall provide the user appropriatecurrent information regarding any known problems associatedwith the recommended use of th
7、e companys products, andshall also recommend protective measures to be employed intheir safe utilization. The user shall establish appropriate safetyand health practices and determine the applicability of regula-tory requirements prior to use.2. Referenced Documents2.1 ASTM Standards:2C165 Test Meth
8、od for Measuring Compressive Properties ofThermal InsulationsC168 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 Proper-
9、ties of Block-Type Thermal InsulationC303 Test Method for Dimensions and Density of Pre-formed Block and BoardType Thermal InsulationC356 Test Method for Linear Shrinkage of Preformed High-Temperature Thermal Insulation Subjected to SoakingHeatC390 Practice for Sampling and Acceptance of ThermalInsu
10、lation LotsC411 Test Method for Hot-Surface Performance of High-Temperature Thermal InsulationC447 Practice for Estimating the Maximum Use Tempera-ture of Thermal InsulationsC518 Test Method for Steady-State Thermal TransmissionProperties by Means of the Heat Flow Meter ApparatusC1045 Practice for C
11、alculating Thermal Transmission Prop-erties Under Steady-State ConditionsC1058 Practice for Selecting Temperatures for Evaluatingand Reporting Thermal Properties of Thermal InsulationD1037 Test Methods for Evaluating Properties of Wood-Base Fiber and Particle Panel MaterialsE136 Test Method for Beha
12、vior of Materials in a VerticalTube Furnace at 750C3. Terminology3.1 DefinitionsThe definitions in Terminology C168 shallapply to the terms used in this specification.4. Classification4.1 The structural insulating boards shall be of the followingtypes:4.1.1 Type IMaximum use temperature 1400F (760C)
13、.4.1.2 Type IIMaximum use temperature 1700F (927C).4.2 The structural insulating boards shall be of the followinggrades:4.2.1 Grade 1Typical density 36 lb/ft3(577 kg/m3).4.2.2 Grade 2Typical density 46 lb/ft3(737 kg/m3).4.2.3 Grade 3Typical density 60 lb/ft3(961 kg/m3).1This specification is under t
14、he jurisdiction of ASTM Committee C16 onThermal Insulation and is the direct responsibility of Subcommittee C16.20 onHomogeneous Inorganic Thermal Insulations.Current edition approved March 1, 2013. Published March 2013. Originallyapproved in 1970. Last previous edition approved in 2007 as C656 07.
15、DOI:10.1520/C0656-07R13.2For 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 Bar
16、r Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States14.2.4 Grade 4Typical density 14 lb/ft3(224 kg/m3).4.2.5 Grade 5Typical density 18 lb/ft3(288 kg/m3).4.2.6 Grade 6Typical density 28 lb/ft3(449 kg/m3).4.2.7 Grade 7Typical density 40 lb/ft3(641 kg/m3).4.2.8 Grade 8Typical de
17、nsity 60 lb/ft3(961 kg/m3).5. Ordering Information5.1 The type, grade, and dimensions shall be specified bythe purchaser.5.2 When a certification or test report, or both, are required,it shall be specified by the purchaser.6. Materials and Manufacture6.1 Calcium silicate structural insulating board
18、shall becomposed of hydrated calcium silicate with natural or man-made fibers or fillers, or a combination thereof. Asbestos shallnot be used as an ingredient or component of the product.7. Other Requirements7.1 Calcium silicate structural insulating board shall con-form to the physical and mechanic
19、al requirements specified inTable 1.8. Dimensions and Permissible Variations8.1 Calcium silicate structural insulating board is typicallyavailable in lengths 48 or 96 in. (1219 or 2438 mm), widths of24 or 48 in. (610 or 1219), and thicknesses from12 to 3in. (13to 76 mm).8.2 Dimensions shall be withi
20、n the following tolerances ofspecified values:Length Width Thickness18 in. (3 mm) 18 in. (3 mm) 116 in. (1.5 mm)9. Workmanship, Finish, and Appearance9.1 Calcium silicate structural insulating boards shall nothave visible defects, such as major cracks, lumps, or excessivedeparture from planeness, wh
21、ich adversely affect service quali-ties.10. Qualification Requirements10.1 Unless otherwise specified, the following requirementsshall be employed for the purpose of initial material or productqualification.10.1.1 Compressive strength,10.1.2 Screw holding strength,10.1.3 Linear shrinkage and tempera
22、te of use,10.1.4 Apparent thermal conductivity, and10.1.5 Combustion characteristics.11. Sampling11.1 Calcium silicate structural insulating boards shall besampled in accordance with Practice C390. Specific provisionsfor sampling shall be agreed upon between the purchaser andthe supplier.12. Test Me
23、thods12.1 Dimensions and DensityUse Test Method C303,except that specimens shall be full-size sheets for determina-tion of length and width and at least 12-in. (300-mm) squarefor determination of thickness and density.12.2 Flexural StrengthUse Test Methods C203 on a 1-in.(25-mm) thick specimen.12.3
24、Compressive StrengthUse Test Methods C165.Specimen thickness shall be 112 in. (38 mm). Compressspecimen to 10 % deformation and calculate on maximum loadvalue.12.4 Screw Holding StrengthUse Test Methods D1037,Direct Screw Withdrawal Test. Test at least three specimens,312-in. (89-mm) square, and 1 i
25、n. (25 mm) or more in thicknessafter drying to constant weight from 215F (102C) to 250F(121C). Drill a hole at least 1 in. (25 mm) deep, normal to thesurface at the center of each specimen, with a No. 29 drill.Install a No. 8, Type A, self-tapping screw at least78 in. (22.2mm) in length such that 33
26、8 in. (18.8 mm) of the screwpenetrates the board.TABLE 1 Physical and Mechanical RequirementsType I Type IIGrade 1 Grade 2 Grade 3 Grade 4 Grade 5 Grade 6 Grade 7 Grade 8Temperature of use, max, F (C) 1400 (760) 1400 (760) 1400 (760) 1700 (927) 1700 (927) 1700 (927) 1700 (927) 1700 (927)Density, typ
27、ical, lb/ft3(kg/m3) 36 (577) 46 (737) 60 (961) 14 (224) 18 (288) 28 (449) 40 (641) 55 (881)Flexural strength, min, psi (kPa) 350 (2413) 550 (3792) 900 (6206) 100 (690) 200 (1379) 350 (2413) 800 (5516) 1200 (8274)Compressive strength, min, psi (kPa) 900 (6206) 1000 (6895) 2000 (13 790) 200 (1379) 300
28、 (2069) 600 (4137) 2000 (13 790) 4000 (27 580)Screw-holding strength, min, lb (N) 80 (356) 120 (534) 150 (667) NA NA 20 (89) 150 (667) 200 (890)Linear shrinkage, 24 h at max use 2.0 2.0 3.0 2.0 2.0 2.0 2.0 2.0temp, max.%Apparent thermal conductivity, max,Btuin./hft2F (mW/mK):Test Conditions Approxim
29、ate TMean Temperature Recommended200F (93C) 100F (56C) 0.71 (102) 0.92 (133) . 0.42 (61) 0.54 (78) 0.61 (88) 0.73 (105) .400F (204C) 100F (56C) 0.74 (107) 0.89 (128) 1.26 (182) 0.52 (75) 0.61 (88) 0.66 (95) 0.75 (108) 0.97 (140)600F (316C) 100F (56C) 0.80 (115) 0.87 (125) 1.28 (185) 0.67 (97) 0.67 (
30、97) 0.73 (105) 0.78 (113) 0.99 (143)800F (427C) 200F (111C) 0.88 (127) 0.90 (130) 1.29 (186) 0.87 (125) 0.73 (105) 0.80 (115) 0.84 (121) 1.05 (151)Combustion characteristics, Test Method E136: Passing Passing Passing Passing Passing Passing Passing PassingC656 07 (2013)212.5 Apparent Thermal Conduct
31、ivityUse Test MethodsC177 or C518. Test Method C518 shall not be used attemperatures other than those in the range of calibration.12.5.1 Temperature of test shall be in accordance withPractice C1058.12.5.2 Conduct the final analysis of the thermal data inaccordance with Practice C1045 to generate a
32、thermal conduc-tivity versus temperature relationship for the specimen.12.6 Combustion CharacteristicsUse Test Method E136.12.7 Maximum Use TemperaturesUse Practice C447,which references Test Method C411. Linear shrinkage (lengthor width, or both) should not exceed 2 % at maximum usetemperature. See
33、 Test Method C356.13. Inspection13.1 Unless otherwise specified, the following requirementsshall be employed for purposes of acceptance sampling of lotsor shipments of qualified insulation:13.1.1 Density,13.1.2 Flexural strength,13.1.3 Dimensions, and13.1.4 Workmanship, finish, and appearance.13.2 I
34、nspection of the material shall be agreed upon be-tween the purchaser and the supplier.14. Rejection and Rehearing14.1 Failure to conform to the requirements in this specifi-cation shall constitute cause for rejection. Rejection shall bereported to the producer or supplier promptly and in writing.14
35、.2 In case of rejection, the manufacturer or supplier shallhave the right to reinspect the rejected shipment and resubmitthe lot after removal of that portion not conforming to thespecified requirements.15. Certification15.1 When specified in the purchase order or contract, themanufacturers or selle
36、rs certification shall be furnished to thepurchaser stating that samples representing each lot have beenmanufactured, tested, and inspected in accordance with thisspecification and the requirements have been met. Whenspecified in the purchase order or contract, a report of the testresults shall be f
37、urnished.16. Packaging and Package Marking16.1 PackagingUnless otherwise specified, the manufac-turers standard packaging system shall be used.16.2 Marking:16.2.1 Unless otherwise specified, each package shall bemarked with the manufacturers name, the product name,quantity, nominal dimensions, and m
38、anufacturers lot or date-code identification.16.2.2 When specified in the purchase order or contract,each container shall be marked with the appropriate ASTMC656 type and grade, or other special designations.17. Keywords17.1 calcium silicate; fire-resistive; marine; structural insu-lation; thermal i
39、nsulationASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin this standard. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the riskof infringement of such ri
40、ghts, are entirely their own responsibility.This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years andif not revised, either reapproved or withdrawn. Your comments are invited either for revision of this standard or for additiona
41、l standardsand should be addressed to ASTM International Headquarters. Your comments will receive careful consideration at a meeting of theresponsible technical committee, which you may attend. If you feel that your comments have not received a fair hearing you shouldmake your views known to the AST
42、M Committee on Standards, at the address shown below.This standard is copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959,United States. Individual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org). Permission rights to photocopy the standard may also be secured from the ASTM website (www.astm.org/COPYRIGHT/).C656 07 (2013)3
