1、Designation: C 195 07Standard Specification forMineral Fiber Thermal Insulating Cement1This standard is issued under the fixed designation C 195; 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 (e) 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 mineral fiber thermal insulat-ing m
3、aterials in the form of dry cement, which, when mixedwith a suitable proportion of water, applied as a plastic mass,and dried in place, affords resistance to heat transmission onsurfaces operating at temperatures between 250 and 1900F(about 121 and 1038C).1.2 The values stated in inch-pound units ar
4、e to be regardedas standard. The values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard.1.3 The following safety hazards caveat pertains only to thetest methods section of this specification: This standard doesnot pur
5、port to address all of the safety concerns, if any,associated with its use. It is the responsibility of the user of thisstandard to establish appropriate safety and health practicesand determine the applicability of regulatory limitations priorto use.2. Referenced Documents2.1 ASTM Standards:2C 136
6、Test Method for Sieve Analysis of Fine and CoarseAggregatesC 163 Practice for Mixing Thermal Insulating CementSamplesC 166 Test Method for Covering Capacity and VolumeChange Upon Drying of Thermal Insulating CementC 168 Terminology Relating to Thermal InsulationC 177 Test Method for Steady-State Hea
7、t Flux Measure-ments and Thermal Transmission Properties by Means ofthe Guarded-Hot-Plate ApparatusC 356 Test Method for Linear Shrinkage of PreformedHigh-Temperature Thermal Insulation Subjected to Soak-ing HeatC 390 Practice for Sampling and Acceptance of ThermalInsulation LotsC411 Test Method for
8、 Hot-Surface Performance of High-Temperature Thermal InsulationC 518 Test Method for Steady-State Thermal TransmissionProperties by Means of the Heat Flow Meter ApparatusC 1045 Practice for Calculating Thermal TransmissionProperties Under Steady-State ConditionsC 1058 Practice for Selecting Temperat
9、ures for Evaluatingand Reporting Thermal Properties of Thermal InsulationC 1114 Test Method for Steady-State Thermal TransmissionProperties by Means of the Thin-Heater ApparatusE 136 Test Method for Behavior of Materials in a VerticalTube Furnace at 750C3. Terminology3.1 DefinitionsTerminology C 168
10、 shall be considered asapplying to the terms used in this specification.4. Materials and Manufacture4.1 Mineral fiber thermal insulating cement shall be com-posed of mineral fiber and inorganic fillers, with a suitableproportion of heat-resistant binder.4.2 The mineral fiber shall consist of rock, s
11、lag, or glassprocessed from a molten state into fibrous form.4.3 Asbestos shall not be used as an ingredient or compo-nent part of the product.5. Other Requirements5.1 The cement shall conform to the requirements given inTable 1. Conformance shall be based on results of tests onspecimens prepared in
12、 accordance with 9.1.5.2 Maximum Use TemperatureWhen tested in accor-dance with 10.5, the dried cement shall not warp, flame, orglow during hot surface exposure. No evidence of melting orfiber degradation shall be evident upon post-test inspection.1This specification is under the jurisdiction of AST
13、M Committee C16 onThermal Insulation and is the direct responsibility of Subcommittee C16.20 onHomogeneous Inorganic Thermal Insulations.Current edition approved Nov. 15, 2007. Published December 2007. Originallypublished as ES 10, 1942. Last previous edition approved in 2000 as C 195 00.2For refere
14、nced 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
15、Conshohocken, PA 19428-2959, United States.5.3 Non-combustibilityWhen tested in accordance with10.6, the dried cement shall conform to the requirements ofTest Method E 136.6. Qualification Requirements6.1 The following requirements are employed for purposesof initial material or product qualificatio
16、n:6.1.1 Linear shrinkage, and6.1.2 Dry adhesion to steel.7. Sampling7.1 The cement shall be sampled, for the purpose of tests,using one of the following procedures. Unless otherwisespecified or agreed upon between the purchaser and themanufacturer or supplier, the cement shall be sampled usingthe ma
17、nufacturers standard procedure.7.1.1 Use Criteria C 390. Each bag shall represent a unit.7.1.1.1 In a single sampling plan by attributes the accept-ability of a lot will be determined by the number of units ofproduct in the sample that do not conform to the specifications.The acceptable quality leve
18、l (AQL) and limiting quality level(LQL) of an acceptance sampling plan, expressed as percent-ages of the units nonconforming, are characteristics of thesampling plan and are not to be viewed as product specifica-tions.7.1.2 Use the average of the test data from the number oftest specimens required b
19、y the appropriate test method torepresent the average for the entire lot.7.2 The specimen for test is to be taken from the middle ofa bag, so as to be representative of material from the entire bag.8. Number of Tests and Retests8.1 If the average of the test data obtained using 7.1.2 failsto conform
20、 to the requirements of this specification, a secondsample shall be taken from the lot. Average the results of theretest with the results of the original test to determine compli-ance with this specification.9. Specimen Preparation9.1 Mix cement with water and mold, cure, dry, and cut inaccordance w
21、ith Practice C 163, to produce the appropriatesize and shape specimens for testing as specified below.10. Test Methods10.1 Dry Covering CapacityTest Method C 166.10.2 Volume Change Upon DryingTest Method C 166.10.3 Linear Shrinkage Test Method C 356.10.4 Apparent Thermal Conductivity10.4.1 The therm
22、al conductivity as a function of tempera-ture for the representative specimens shall be determined withdata obtained from a series of thermal tests utilizing testmethods C 177, C 518,orC 1114 as appropriate for thematerial under study. Specimen shall be tested at a maximumthickness of 112 in. (38 mm
23、).10.4.1.1 Test Method C 518 shall not be used at tempera-tures or resistances other than those in the range of thecalibration.10.4.1.2 Test Method C 1114 shall not be used at tempera-tures or resistance ranges other than those with comparableresults to Test Method C 177.10.4.2 The test method selec
24、ted shall have proven correla-tion with Test Method C 177 over the temperature range ofconditions used. In cases of dispute, Test Method C 177 shallbe considered as the final authority for material having flatgeometry.10.4.3 Practice C 1058 shall be used to obtain recom-mended test temperature combi
25、nations for testing purposes.10.4.4 As specified in Practice C 1045, the range of testconditions must include at least one test where the hot surfacetemperature is greater than, or equal to, the hot limit of thetemperature range of desired data and at least one test wherethe cold surface temperature
26、 is less than, or equal to, the coldlimit of the temperature range desired. Additional tests, at leasttwo, shall be distributed somewhat evenly over the rest of thetemperature range.10.4.5 Conduct the final analysis of the thermal data inaccordance with Practice C 1045 to generate a thermal con-duct
27、ivity versus temperature relationship for the specimen.10.4.6 The final step of Practice C 1045 analysis is tocalculate the thermal conductivity using the equations gener-ated at a set of mean temperatures for comparison to thespecification. WarningWhile it is recommended that thespecification data
28、be presented as thermal conductivity versustemperature, several existing specifications may contain meantemperature data from tests conducted at specific hot and coldsurface temperatures. In these cases, the thermal conductivityas a function of temperature from the Practice C 1045 analysismay provid
29、e different results. To insure that the data iscompatible, a Practice C 680 analysis, using the thermalconductivity versus temperature relationship from PracticeC 1045 and the specific hot and cold surface temperatures, isrequired to determine the effective thermal conductivity forcomparison to the
30、specification requirements.10.5 Maximum Use TemperatureTest Method C411,atthe insulations maximum use temperature and at the manu-facturers maximum recommended thickness at that tempera-ture. The test surface shall be at the intended surface tempera-ture when test begins. No special requirements for
31、 heat up shallbe specified by the manufacturer.10.6 Non-combustibility Test Method E 136.11. Inspection11.1 The following requirements are employed for purposesof acceptance sampling of lots or shipments of qualifiedcement:11.1.1 Dry covering capacity.TABLE 1 Physical RequirementsDry covering capaci
32、ty, min, ft2, 1 in. in thickness per 100 lb ofdry cement (m2, 1 cm in thickness per 100 kg of dry cement)30 (15.6)Volume change (shrinkage) upon drying, max, % 35 (35)Linear shrinkage (length) after heat soaking at 1600F (871C)max, %5(5)Apparent thermal conductivity, max, Btuin./hft2F (W/mK):AAt mea
33、n temperature of 200F (93C) 0.70 (0.101)At mean temperature of 500F (260C) 0.85 (0.123)At mean temperature of 700F (371C) 0.95 (0.137)At mean temperature of 900F (482C) 1.2 (0.173)AThe user is advised that some applications could require the knowledge of thethermal conductivity of the insulating cem
34、ent at mean temperatures above thoseshown. Consult the manufacturer for data at mean temperatures exceeding thoselisted.C19507211.1.2 Volume change upon drying.12. Rejection and Rehearing12.1 Failure to conform to the requirements in this specifi-cation shall constitute cause for rejection. Rejectio
35、n shall bereported to the manufacturer or supplier promptly and inwriting.12.2 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.13. Certification13.1
36、 When specified in the purchase order or contract, thepurchaser shall be furnished certification that samples repre-senting each lot have been either tested or inspected as directedin this specification and the requirements have been met. Whenspecified in the purchase order or contract, a report of
37、the testresults shall be furnished.14. Packaging14.1 Unless otherwise specified or agreed upon by thepurchaser and the manufacturer or supplier, the cement shall bepackaged in the manufacturers standard commercial contain-ers.15. Keywords15.1 insulating cement; mineral fiber; thermal insulationASTM
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39、rely 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 additional standardsand
40、 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 ASTM Committee on
41、 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).C195073
