1、Designation: C 991 03Standard Specification forFlexible Fibrous Glass Insulation for Metal Buildings1This standard is issued under the fixed designation C 991; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revisi
2、on. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon (e) indicates an editorial change since the last revision or reapproval.1. Scope1.1 This specification covers the classification, composition,and physical properties of flexible fibrous glass insulation foruse as
3、 interior surface of walls and roofs of metal buildings.1.2 The basic insulation blanket is designed to be post-processed by a laminating process that applies an adhesivebonded facing to provide the interior finish and vapor retarderrequirements for the building envelope.1.3 The thermal values measu
4、red in accordance with thisspecification for both pre-processed and post-processed insu-lation are for the insulation only and do not include the effectsof air-film surface resistance, changes in mean temperature, orcompression of insulation at the framing members of thebuilding, through metal condu
5、ctance of fasteners and otherparallel heat-transfer paths due to design or installation tech-niques.1.4 The values stated in inch-pound units are to be regardedas the standard. The values given in parentheses are providedfor information only.1.5 This standard does not purport to address all of thesa
6、fety 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 regulatory requirements prior to use.2. Referenced Documents2.1 ASTM Standards:2C 167 Test Methods for Thickn
7、ess and Density of Blanketor Batt Thermal InsulationsC 168 Terminology Relating to Thermal Insulating Materi-alsC 177 Test Method for Steady-State Heat Flux Measure-ments and Thermal Transmission Properties by Means ofthe Guarded-Hot-Plate ApparatusC 390 Criteria for Sampling and Acceptance of Prefo
8、rmedThermal Insulation LotsC 518 Test Method for Steady-State Heat Flux Measure-ments and Thermal Transmission Properties by Means ofThe Heat Flow Meter ApparatusC 653 Guide for Determination of the Thermal Resistanceof Low-Density Blanket-Type Mineral Fiber InsulationC 665 Specification for Mineral
9、-Fiber Blanket Thermal In-sulation for Light Frame Construction and ManufacturedHousingC 755 Practice for Selection of Vapor Retarders for ThermalInsulationC 1104 Test Method for Determining Water Vapor Sorptionof Unfaced Mineral Fiber Insulation.C 1136 Specification for Flexible, Low Permeance Vapo
10、rRetarders for Thermal InsulationC 1258 Test Method for Elevated Temperature and Humid-ity Resistance of Vapor Retarders for InsulationC 1304 Test Method for Assessing the Odor Emission ofThermal InsulationC 1338 Test Method for Determining Fungi Resistance ofInsulation Materials and FacingsE 84 Tes
11、t Method for Surface Burning Characteristics ofBuilding MaterialsE 96 Test Methods for Water Vapor Transmission of Mate-rialsE 136 Test Method for Behavior of Materials in a VerticalTube Furnace at 7502.2 Other Referenced Document:CAN/ULC-S102M88 Standard Method of Test for SurfaceBurning Characteri
12、stics of Building Materials and Assem-blies33. Terminology3.1 DefinitionsFor definitions of terms relating to insula-tion, refer to Terminology C 168.4. Classification4.1 The flexible insulation is furnished in two types, asfollows:1This specification is under the jurisdiction of ASTM Committee C16
13、onThermal Insulation and is the direct responsibility of Subcommittee C16.23 onBlanket and Loose Fill Insulation.Current edition approved Oct. 1, 2003. Published November 2003. Originallyapproved in 1983. Last previous edition approved in 2000 as C 991 00.2For referenced ASTM standards, visit the AS
14、TM 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.3Available from Underwriters Laboratories of Canada, 7 Crouse Road, Scarbor-ough, Ontario Canada M1R 3A9.
15、1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.4.1.1 Type IGlass processed from the molten state intofibrous form, bonded with a thermosetting resin, and formedinto a resilient flexible blanket or batt.4.1.2 Type IIType I material s
16、upplied with a suitablefacing adhered to one surface.5. Ordering Information5.1 Type I material shall be ordered by specifying thermalresistance value, length, and width.5.2 Type II material shall be ordered by specifying thermalresistance value, type of facing, facing permeance, length,width, numbe
17、r of tabs, and tab width.5.3 Certification, when required, shall be in accordance withSection 11.6. Physical Properties6.1 Type 1 Material:6.1.1 Thermal ResistanceThe thermal resistance of thepre-processed insulation shall be determined in accordancewith Guide C 653. The average R-value from nine ra
18、ndomlyselected specimens, three specimens from each of three rolls,shall not be less than 103 % of the R-value agreed upon by thepurchaser and the supplier. Use Test Method C 177 or C 518 at75F (23.9C) with a minimum temperature difference of 40F(20C) for determining apparent thermal conductivity. U
19、se thefull roll method from Test Method C 167 to determine theaverage thickness for each roll and evaluate at the lesser ofmeasured or label thickness.NOTE 1See Guide C 653. The thermal resistance is a function ofmean temperature. As an option, the thermal resistance may be determinedat additional m
20、ean temperatures as agreed upon by the purchaser and themanufacturer.6.1.2 Surface Burning CharacteristicsThe surface burn-ing characteristics shall be determined in accordance with TestMethod E 84. For Canada, test in accordance with CAN/ULC-S102-M88. Results shall be no greater than:Flame spread 2
21、5Smoke developed 506.1.3 Combustion CharacteristicsThe material shall passthe requirements of Test Method E 136.6.1.4 Water Vapor SorptionThe water vapor sorptionfrom exposure to water vapor shall not be greater than 0.2 % byvolume when determined in accordance with the procedure setforth in Test Me
22、thod C 1104.6.1.5 Fungi ResistanceWhen tested in accordance withthe procedure set forth in Test Method C 1338, the insulationshall exhibit no growth.6.1.6 CorrosivenessWhen tested in accordance with theprocedure in Specification C 665, the metal plates in contactwith the insulation shall show no gre
23、ater corrosion than thatobserved on the comparative plates in contact with sterilecotton.6.1.7 Odor EmissionWhen tested in accordance with TestMethod C 1304, the insulation shall not emit a detectable odorobjectionable to more than two of the five panel members.6.1.8 Dimensional TolerancesThe averag
24、e measuredlength and width shall not differ from the manufacturersstandard dimensions, when determined in accordance with TestMethods C 167, (Note 2) by more than the following:Length, 0 in. (0 mm)Width, 18 in. (3 mm)NOTE 2Normally, a slight excess in all dimensions will be permitted.However, the pu
25、rchaser may elect to specify a maximum tolerance to meetfurther processing requirements.6.2 Type II Material:6.2.1 Type II shall be faced on one side with a suitablefacing and exhibit the following.6.2.2 Thermal ResistanceThe thermal resistance of thepost-processed insulation shall be determined in
26、accordancewith Guide C 653. The average R-value from nine randomlyselected specimens, three specimens from each of three rolls,shall not be less than 95 % of the R-value agreed upon by thepurchaser and the supplier. Use Test Method C 177 or C 518 at75F (23.9C) with a minimum temperature difference o
27、f 40F(20C) for determining apparent thermal conductivity. Use TestMethods C 167 to determine the average thickness for eachroll.6.2.3 Surface Burning CharacteristicsDetermine the sur-face burning characteristics on the facing side of the compositematerial. in accordance with Test Method E 84. For Ca
28、nada,test in accordance with CAN/ULC-S102-M88. Results shall beno greater than:Flame spread 25Smoke developed 506.2.4 Combustion CharacteristicsThe base insulation ma-terial shall pass the requirements of Test Method E 136.6.2.5 Water Vapor SorptionThe water vapor sorption ofthe base material shall
29、not be greater than 0.2 % by volumewhen determined in accordance with the procedure set forth inTest Method C 1104.6.2.6 Fungi ResistanceWhen tested in accordance withthe procedure set forth in Test Method C 1338, the insulationand the facing shall exhibit no growth.6.2.7 CorrosivenessWhen the base
30、insulation is tested inaccordance with the procedure in Specification C 665, themetal plates in contact with the insulation shall show no greatercorrosion than that observed on the comparative plates incontact with sterile cotton6.2.8 Odor EmissionWhen tested in accordance with TestMethod C 1304, th
31、e insulation shall not emit a detectable odorobjectionable to more than two of the five panel members.6.2.9 Dimensional TolerancesThe average measuredlength and width shall not differ from the manufacturersstandard dimensions, when determined in accordance with TestMethods C 167, (Note 2) by more th
32、an the following:Length, 0 in. (0 mm)Width, 18 in. (3 mm)NOTE 3Normally, a slight excess in all dimensions will be permitted.However, the purchaser may elect to specify a maximum tolerance to meetfurther processing requirements.6.2.10 Humid AgingThe faced material, when tested inaccordance with the
33、procedures in Test Method C 1258, shallnot exhibit (a) corrosion of the facing, (b) delamination of thefacing, or (c) lack of adhesion of facing to insulation.C991032NOTE 4Facing properties are not part of this specification. Thedesigner is referred to Guide C 775 and Specification C 1136 for guidan
34、cein selecting water vapor permeance and other physical property require-ments.7. Workmanship7.1 Both Type I and Type II material shall indicate goodworkmanship in fabrication and shall not have visible defectsthat adversely affect its serviceability.8. Sampling8.1 Quality control records, maintaine
35、d by the manufac-turer, will usually suffice in the relationship between thepurchaser and the manufacturer. If they mutually agree toaccept lots on the basis of quality control records, no furthersampling is required.8.2 If the above procedure is not acceptable, sampling shallbe in conformance with
36、Criteria C 390.9. Inspection9.1 Inspection of the material shall be agreed upon betweenthe purchaser and the supplier as part of the purchase contract.10. Rejection and Rehearing10.1 Material that fails to conform to the requirements ofthis specification shall constitute cause for rejection. Rejecti
37、onshall be reported to the producer or supplier promptly and inwriting.10.2 The producer or supplier shall have the option toreinspect rejected shipments and resubmit the entire lot forinspection and resampling after the removal and replacementof nonconforming portions.11. Certification11.1 When spe
38、cified in the purchase order or contract, aproducers, suppliers or independent third partys certificationshall be furnished to the purchaser indicating that the materialwas manufactured, sampled, tested, and inspected in accor-dance with this specification and has been found to meet therequirements.
39、 When specified in the purchase order or contract,a report of the test results shall be furnished.12. Health and Safety Hazards12.1 The manufacturer shall provide the users with infor-mation regarding any hazards and recommended protectivemeasures to be employed for safe installation and use of them
40、aterial.13. Product Marking13.1 Unless otherwise specified, the package shall bemarked with the sellers name and designation, length, width,thickness, R-value, total number of square feet, manufacturingdate code, surface burning characteristics and, if applicable,type of facing.14. Packaging14.1 Unl
41、ess otherwise agreed or specified between thepurchaser and the manufacturer or seller, the insulation shall bepacked in the manufacturers standard commercial container.14.2 If there is residual moisture in the product at the timeof packaging, the package shall be suitably vented to allow forthe diss
42、ipation of the moisture.15. Storage15.1 The material shall be stored in accordance with themanufacturers recommendations unless otherwise agreedupon between the purchaser and manufacturer.15.2 If there are no manufacturers recommended storagerequirements, the material shall be stored in such a manne
43、r asto protect the package from direct sunlight, and from weatherand temperature extremes.16. Keywords16.1 faced insulation; metal building; thermal insulationASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin this stand
44、ard. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the riskof infringement of such rights, are entirely their own responsibility.This standard is subject to revision at any time by the responsible technical committee and must be review
45、ed every five years andif not revised, either reapproved or withdrawn. Your comments are invited either for revision of this standard or for additional standardsand should be addressed to ASTM International Headquarters. Your comments will receive careful consideration at a meeting of theresponsible
46、 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 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).C991033
