1、Designation: C656 07 (Reapproved 2013)C656 17Standard 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
2、 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. Scope1.1 This specification covers structural insulating board for general thermal insulating, fire-resistive, and marine b
3、ulkheadapplications. The rigid, preformed structural insulating board is for use at temperatures up to 1700F (927C). For specificapplications, the actual temperature limit shall be agreed upon between the manufacturer and the purchaser.1.2 The structural insulating board maintains its structural int
4、egrity after immersion in water.1.3 Rapid cycling over a wide temperature range is not recommended because of potential damage due to thermal shock.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 a
5、re provided for information only and are not considered standard.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 safety, health, and healthenvironmental pra
6、ctices and determine theapplicability of regulatory limitations prior to use.1.6 When the installation or use of thermal insulation materials, accessories and systems, may pose safety or health problems,the manufacturer shall provide the user appropriate current information regarding any known probl
7、ems associated with therecommended use of the companys products, and shall also recommend protective measures to be employed in their safeutilization. The user shall establish appropriate safety and health practices and determine the applicability of regulatoryrequirements prior to use.1.7 This inte
8、rnational standard was developed in accordance with internationally recognized principles on standardizationestablished in the Decision on Principles for the Development of International Standards, Guides and Recommendations issuedby the World Trade Organization Technical Barriers to Trade (TBT) Com
9、mittee.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 Properties by Means of theGuarded-Hot-Plate A
10、pparatusC203 Test Methods for Breaking Load and Flexural Properties of Block-Type Thermal InsulationC303 Test Method for Dimensions and Density of Preformed Block and BoardType Thermal InsulationC356 Test Method for Linear Shrinkage of Preformed High-Temperature Thermal Insulation Subjected to Soaki
11、ng HeatC390 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-State Thermal Transmission Properti
12、es by Means of the Heat Flow Meter ApparatusC1045 Practice for Calculating Thermal Transmission Properties Under Steady-State ConditionsC1058 Practice for Selecting Temperatures for Evaluating and Reporting Thermal Properties of Thermal InsulationD1037 Test Methods for Evaluating Properties of Wood-
13、Base Fiber and Particle Panel MaterialsE136 Test Method for Behavior of Materials in a Vertical Tube Furnace at 750C1 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 Insul
14、ations.Current edition approved March 1, 2013Oct. 1, 2017. Published March 2013October 2017. Originally approved in 1970. Last previous edition approved in 20072013 asC656 07.C656 07 (2013). DOI: 10.1520/C0656-07R13.10.1520/C0656-17.2 For referencedASTM standards, visit theASTM website, www.astm.org
15、, or contactASTM 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
16、 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
17、 document.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States13. Terminology3.1 DefinitionsThe definitions in Terminology C168 shall apply to the terms used in this specification.4. Classification4.1 The structural insulating boards shall
18、 be of the following types:4.1.1 Type IMaximum use temperature 1400F (760C).4.1.2 Type IIMaximum use temperature 1700F (927C).4.2 The structural insulating boards shall be of the following grades: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.
19、2.3 Grade 3Typical density 60 lb/ft3 (961 kg/m3).4.2.4 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 density 60 lb/ft3 (961 kg/
20、m3).5. Ordering Information5.1 The type, grade, and dimensions shall be specified by the 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 shall be composed of
21、hydrated calcium silicate with natural or man-made fibersor fillers, or a combination thereof. Asbestos shall not be used as an ingredient or component of the product.7. Other Requirements7.1 Calcium silicate structural insulating board shall conform to the physical and mechanical requirements speci
22、fied in Table1.8. Dimensions and Permissible Variations8.1 Calcium silicate structural insulating board is typically available in lengths 48 or 96 in. (1219 or 2438 mm), widths of 24or 48 in. (610 or 1219), and thicknesses from 12 to 3in. (13 to 76 mm).8.2 Dimensions shall be within the following to
23、lerances of specified values:Length Width Thickness18 in. (3 mm) 18 in. (3 mm) 116 in. (1.5 mm)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
24、) 1700 (927) 1700 (927) 1700 (927)Density, typical, 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
25、(6206) 1000 (6895) 2000 (13 790) 200 (1379) 300 (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, ma
26、x,Btuin./hft2F (mW/mK):Test Conditions Approximate 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.
27、80 (115) 0.87 (125) 1.28 (185) 0.67 (97) 0.67 (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 Pass
28、ingHot-surface PerformanceWarpage, in. (mm) max 14 in. (6 mm)Cracking No cracks completely through the insulation thickness. Surface cracks on hot face are acceptable.C656 1729. Workmanship, Finish, and Appearance9.1 Calcium silicate structural insulating boards shall not have visible defects, such
29、as major cracks, lumps, or excessivedeparture from planeness, which adversely affect service qualities.10. Qualification Requirements10.1 Unless otherwise specified, the following requirements shall be employed for the purpose of initial material or productqualification.10.1.1 Compressive strength,1
30、0.1.2 Screw holding strength,10.1.3 Linear shrinkage and temperate of use,10.1.4 Apparent thermal conductivity, and10.1.5 Combustion characteristics.11. Sampling11.1 Calcium silicate structural insulating boards shall be sampled in accordance with Practice C390. Specific provisions forsampling shall
31、 be agreed upon between the purchaser and the supplier.12. Test Methods12.1 Dimensions and DensityUse Test Method C303, except that specimens shall be full-size sheets for determination oflength and width and at least 12-in. (300-mm) square for determination of thickness and density.12.2 Flexural St
32、rengthUse Test Methods C203 on a 1-in. (25-mm) thick specimen.12.3 Compressive StrengthUseTest Methods C165. Specimen thickness shall be 112 in. (38 mm). Compress specimen to 10 %deformation and calculate on maximum load value.12.4 Screw Holding StrengthUse Test Methods D1037, Direct Screw Withdrawa
33、l Test. Test at least three specimens, 312-in.(89-mm) square, and 1 in. (25 mm) or more in thickness after drying to constant weight from 215F (102C) to 250F (121C).Drill a hole at least 1 in. (25 mm) deep, normal to the surface at the center of each specimen, with a No. 29 drill. Install a No.8, Ty
34、pe A, self-tapping screw at least 78 in. (22.2 mm) in length such that 338 in. (18.8 mm) of the screw penetrates the board.12.5 Apparent Thermal ConductivityUse Test Methods C177 or C518. Test Method C518 shall not be used at temperaturesother than those in the range of calibration.12.5.1 Temperatur
35、e of test shall be in accordance with Practice C1058.12.5.2 Conduct the final analysis of the thermal data in accordance with Practice C1045 to generate a thermal conductivityversus temperature relationship for the specimen.12.6 Combustion CharacteristicsUse Test Method E136.12.7 Maximum Use Tempera
36、turesUse Practice C447, which references Test Method C411. Linear shrinkage (length or width,or both) should not exceed 2 % at maximum use temperature. See Test Method C356.12.8 Hot-Surface PerformanceTest Method C411 at the Maximum Use Temperate. Specimen shall be tested at 4 in. (102 mm)thickness,
37、 in either single or multiple layer configurations.13. Inspection13.1 Unless otherwise specified, the following requirements shall be employed for purposes of acceptance sampling of lots orshipments of qualified insulation:13.1.1 Density,13.1.2 Flexural strength,13.1.3 Dimensions, and13.1.4 Workmans
38、hip, finish, and appearance.13.2 Inspection of the material shall be agreed upon between the purchaser and the supplier.14. Rejection and Rehearing14.1 Failure to conform to the requirements in this specification shall constitute cause for rejection. Rejection shall be reportedto the producer or sup
39、plier promptly and in writing.14.2 In case of rejection, the manufacturer or supplier shall have the right to reinspect the rejected shipment and resubmit thelot after removal of that portion not conforming to the specified requirements.C656 17315. Certification15.1 When specified in the purchase or
40、der or contract, the manufacturers or sellers certification shall be furnished to thepurchaser stating that samples representing each lot have been manufactured, tested, and inspected in accordance with thisspecification and the requirements have been met. When specified in the purchase order or con
41、tract, a report of the test results shallbe furnished.16. Packaging and Package Marking16.1 PackagingUnless otherwise specified, the manufacturers standard packaging system shall be used.16.2 Marking:16.2.1 Unless otherwise specified, each package shall be marked with the manufacturers name, the pro
42、duct name, quantity,nominal dimensions, and manufacturers lot or date-code identification.16.2.2 When specified in the purchase order or contract, each container shall be marked with the appropriate ASTM C656 typeand grade, or other special designations.17. Keywords17.1 calcium silicate; fire-resist
43、ive; marine; structural insulation; thermal insulationASTM 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 r
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