1、Designation:F219909(Reapproved 2014)Standard Test Method forDetermining Dimensional Stability of Resilient Floor Tileafter Exposure to Heat1This standard is issued under the fixed designation F2199;the number immediately following the designation indicates the year oforiginal adoption or,in the case
2、 of revision,the year 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 test method covers the determination of the changein linear dimensions of resilient floor til
3、e after exposure to heat.1.2 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 for information onlyand are not considered standard.1.3 This standard does not purport to address all of thesafet
4、y 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 limitations prior to use.2.Referenced Documents2.1 ASTM Standards:2E177 Practice for Use of the Terms Pr
5、ecision and Bias inASTM Test MethodsE691 Practice for Conducting an Interlaboratory Study toDetermine the Precision of a Test MethodF141 Terminology Relating to Resilient Floor CoveringsF2055 Test Method for Size and Squareness of ResilientFloor Tile by Dial Gage Method3.Terminology3.1 Definitions a
6、re in accordance with Terminology F141unless otherwise indicated.4.Significance and Use4.1 The final appearance of an installed tile floor dependsupon several factors.These include but are not limited to sizeand squareness of the tile,the quality of joint cut,the qualityand preparation of the subflo
7、or and the skill of the installer.Long term appearance of the installed floor is also dependenton but not limited to the ability of the tile to resist shrinkagedue to internal stress relief.This test method is used to measurethe ability of floor tile to retain its original dimensionsfollowing exposu
8、re to heat simulating a long service life atreasonable and expected temperatures.5.Apparatus5.1 Mechanical Convection-Type Oven,or equivalent,ca-pable of maintaining a temperature of 180 6 3.6F(82 6 2C),with inside dimensions large enough to hold several tileshorizontally on aluminum exposure plates
9、.5.2 Specimen Exposure Plates,consisting of flat 14gage,0.0625in.(1.6mm),thick aluminum.The aluminum expo-sure plates may be contained in a rack,either fixed in orremovable from the rack,and should be at least 1 in.(25.4 mm)larger in each linear dimension than the linear dimension of thespecimen tes
10、ted.If contained in a rack,the spacing betweeneach plate should be at least 0.625in.(16mm).The rack shallbe constructed with all four sides open.5.3 Block and Dial Gage Assembly,as described in TestMethod F2055.5.4 Forced Air Cooling(Fan,Blower,etc.),may be used foraccelerating specimen conditioning
11、 before heating and aftercooling exposure to ensure proper equilibrium of test specimen(see 6.1 and 7.1).6.Test Specimen6.1 The test specimen consists of a resilient floor tile.Typical floor tile dimensions are 9 by 9 in.(229 by 229 mm)or12 by 12 in.(305 by 305 mm).Other sizes in square orrectangula
12、r dimensions may also be tested.7.Conditioning7.1 Aconditioned room maintained at a temperature of 73.46 1.8F(23 6 1C)and 50 6 5%relative humidity.8.Procedure8.1 Reference PlatesDifferent tile sizes,with respectivereference plates,can be specified if the size and squarenessapparatus is designed to h
13、andle the testing and measurement ofalternate sizes.1This test method is under the jurisdiction ofASTM Committee F06 on ResilientFloor Coverings and is the direct responsibility of Subcommittee F06.30 on TestMethods-Performance.Current edition approved May 1,2014.Published June 2014.Originallyapprov
14、ed in 2002.Last previous edition approved in 2009 as F2199-09.DOI:10.1520/F2199-09R14.2For 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
15、 onthe ASTM website.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 8.2 Conditioning Before ExposureCondition the speci-mens at 73.4 6 1.8F(23 6 1C)and 50 6 5%relativehumidity for not less than 24 h prior to starting the test unlessotherw
16、ise specified.8.3 Conditions for MeasurementMeasure the tile speci-men(6.1)in the conditioning room(7.1).8.4 Calibration of Block and Dial Gage IndicatorsCalibrate the block and dial gage indicators as indicated in TestMethod F2055.8.5 Initial MeasurementPlace the tile specimen,afterconditioning(8.2),on the block and dial gage assembly(5.3)face up and measure in the machine direction(MD),ifidentifiable,and the across machine direction(AMD),ifidentifiable,according to the procedure in Test Method