ASTM_F_1060_-_08.pdf

Designation:F106008Standard Test Method forThermal Protective Performance of Materials for ProtectiveClothing for Hot Surface Contact1This standard is issued under the fixed designation F1060;the number immediately following the designation indicates the year oforiginal adoption or,in the case 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 is used to measure the thermal insula-tion of materials used in protective clothing when exposed fora short period of time to a hot surface with a temperature up to600F(316C).1.2 This test method is applicable to materials used in theconstruction of protective clothing,including,but not limitedto:woven fabrics,knit fabrics,battings,sheet structures,andmaterial composites,intended for use as clothing for protectionagainst exposure to hot surfaces.1.3 This test method should be used to measure and describethe properties of materials,products,or assemblies in responseto heat under controlled laboratory conditions and should notbe used to describe or appraise the thermal hazard or fire riskof materials,products,or assemblies under actual exposureconditions.1.4 The values as stated in SI units are to be regarded as thestandard.The values in parentheses are given for informationonly.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 regulatory limitations prior to use.2.Referenced Documents2.1 ASTM Standards:2D123 Terminology Relating to TextilesD1776 Practice for Conditioning and Testing TextilesD4391 Terminology Relating to The Burning Behavior ofTextilesF1494 Terminology Relating to Protective Clothing3.Terminology3.1 DefinitionsIn testing thermal protection clothingmaterial,the response to hot surface contact is indicated by thefollowing descriptive terms:3.1.1 charringthe formation of a carbonaceous residue asthe result of pyrolysis or incomplete combustion.3.1.2 embrittlementthe formation of a brittle residue as aresult of pyrolysis or incomplete combustion.3.1.3 heat fluxthe thermal intensity indicated by theamount of energy transmitted divided by area and time,W/m2(cal/cm2s).3.1.4 human tissue heat tolerance(heat tolerance)in thetesting of thermal protective materials,the amount of thermalenergy predicted to cause a second-degree burn injury inhuman tissue.3.1.5 ignitionthe initiation of combustion.3.1.6 meltinga material response evidenced by softeningof the polymer.3.1.7 shrinkagea decrease in one or more dimensions ofan object or material.3.1.8 stickinga material response evidenced by softeningand adherence of the material to the surface of itself or anothermaterial.3.1.9 thermal end pointin the testing of thermal protectivematerials,the point where the copper slug calorimeter sensorresponse(heat energy measured)intersects with a predictedskin burn injury model.3.2 For all terminology related to protective clothing,seeTerminology F1494.3.3 For definitions of other textile terms used in this testmethod,refer to Terminology D123.4.Summary of Test Method4.1 This test method measures the performance of insulativematerials.A material is placed in contact with a standard hotsurface.The amount of heat transmitted by the material iscompared with the human tissue tolerance and the obviouseffects of the heat on the material are noted.1This test method is under the jurisdiction ofASTM Committee F23 on PersonalProtective Clothing and Equipment and is the direct responsibility of SubcommitteeF23.80 on Flame and Thermal.Current edition approved Feb.1,2008.Published February 2008.Originallyapproved in 1987.Last previous edition approved in 2005 as F1060-05.DOI:10.1520/F1060-08.2For 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 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 4.2 The temperature of the hot surface is measured/controlled with a thermocouple and the heat transmitted by thetest specimen is measured with a copper calorimeter.Thecalorimeter temperature increase is a direct measure of the heatenergy received.4.3 A contact pressure of 3 kPa(0.5 psi)is used to comparematerial performance under controlled conditions.If a differentpressure is chosen to represent a specific use condition,whereit is used should be noted under test conditions(13.1.2.3).4.4 The material performance is determined from theamount of heat transferred by the specimen and the observedeffect of the heat exposure on the specimen.The thermalprotection is the exposure time required to cause the accumu-lated