ASTM_D_6152_-_D_6152M_-_12.pdf

Designation:D6152/D6152M12Standard Specification forSEBS-Modified Mopping Asphalt Used in Roofing1This standard is issued under the fixed designation D6152/D6152M;the number immediately following the designation indicates theyear of original adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of lastreapproval.A superscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This specification covers SEBS(styrene-ethylene-butylene-styrene)-modified asphalt intended for use in built-uproof construction,construction of some modified bitumensystems,construction of bituminous vapor retarder systems,and for adhering insulation boards used in various types of roofsystems.1.2 This specification is intended as a material specification.Issues regarding the suitability of specific roof constructions orapplication techniques are beyond its scope.1.3 The specified tests and property values used to charac-terize SEBS-modified asphalt are intended to establish mini-mum properties.In place system design criteria or performanceattributes are factors beyond the scope of this specification.1.4 The values stated in either SI units or inch-pound unitsare to be regarded separately as standard.The values stated ineach system may not be exact equivalents;therefore,eachsystem shall be used independently of the other.Combiningvalues from the two systems may result in non-conformancewith the standard.1.5 This standard does not purport to address the safetyconcerns,if any,associated with its use.It is the responsibilityof the user of this standard to establish appropriate safety andhealth practices and determine the applicability of regulatorylimitations prior to use.2.Referenced Documents2.1 ASTM Standards:2D5 Test Method for Penetration of Bituminous MaterialsD36 Test Method for Softening Point of Bitumen(Ring-and-Ball Apparatus)D92 Test Method for Flash and Fire Points by ClevelandOpen Cup TesterD140 Practice for Sampling Bituminous MaterialsD312 Specification for Asphalt Used in RoofingD412 Test Methods for Vulcanized Rubber and Thermoplas-tic ElastomersTensionD1079 Terminology Relating to Roofing and WaterproofingD2042 Test Method for Solubility of Asphalt Materials inTrichloroethyleneD3111 Test Method for Flexibility Determination of Hot-Melt Adhesives by Mandrel Bend Test Method3.Terminology3.1 DefinitionsFor definitions of general terms used in thisspecification,refer to Terminology D1079.3.2 Definitions of Terms Specific to This Standard:3.2.1 elastic recovery,nthe degree to which a materialreturns to its normal dimensions after being distorted.3.2.2 low temperature flexibility,nthe ability of a materialto bend at a prescribed rate around a mandrel of a prescribeddiameter at a prescribed low temperature without cracking orbreaking.4.Materials and Manufacture4.1 The base asphalt shall be prepared from crude petro-leum.4.2 The SEBS-modified asphalt shall incorporate sufficientSEBS as the primary polymeric modifier to meet the require-ments of this specification.5.Physical Requirements5.1 The SEBS modified asphalt shall be homogeneous andfree of water.5.2 The SEBS modified asphalt shall conform to the physi-cal properties prescribed in Table 1.6.Sampling6.1 Sample the material as prescribed in Practice D140.6.2 If the material is shipped in hot filled cardboard orplastic kegs,obtain samples from the kegs in accordance withthe following procedure:6.2.1 Remove the container from the block of SEBS-modified asphalt,cutting away the liner if present.1This specification is under the jurisdiction of ASTM Committee D08 onRoofing and Waterproofing and is the direct responsibility of Subcommittee D08.03on Surfacing and Bituminous Materials for Membrane Waterproofing and Built-upRoofing.Current edition approved Dec.1,2012.Published January 2013.Originallyapproved in 1997.Last previous edition approved in 2011 as D6152 99(2011)1.DOI:10.1520/D6152_D6152M-12.2For 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 6.2.2 Using a hatchet or a hot knife,cut two vertical wedgesapproximately 50 mm 2 in.wide and 50 mm 2 in.deepalong the entire length of the material block.Cut the wedgesinto 100-mm 4-in.lengths.6.2.3 Place the wedges in a can with a capacity of 3.8 L 1gal.Loosely cover the can and heat in a convection oven at210 6 5C 410 6 9F for a period of 212612h.Stir thesample thoroughly to ensure homogeneity.7.Test Methods7.1 Determine compliance with the requirements of thisspecification in accordance with the following methods:7.1.1 Softening PointTest Method D36.7.1.2 Flash PointTest Method D92.7.1.3 PenetrationTest Method D5.7.1.4 SolubilityTest Method D2042.7.1.5 Tensil