1、AMERICAN SOCIETY FOR TESTING AND MATERIALS 1916 Race St.,Philadelphia,Pa.19103 Reprinted from the Annual Book of ASTM Standards,Copyright ASTM If not listed in the current combined index,will appear in the next edilion.Standard Test Method for STAINING PROPERTIES OF ASPHALT This standard is issued u
2、nder the fixed designation D 1328:the number immediately following the designation indicates the year of original adoption or.in the case of revision.the year of last revision.A number in parentheses indicates the year of last reapproval.A superscript epsilon(E)indicatesan editorial change since the
3、 last revision or reapproval.1.Scope I.I This test method covers the determination of the staining properties of asphalt by the mod-ified pressure method.1.2 This test method is applicable to asphalts having ring-and-ball softening points of 65C(1 50F)or greater.and should not be used for testing as
4、phalts having softening points below 65C.except for those having a penetration of 35 or less.1.3 The values stated in Si units are to be regarded as the standard.The values stated in inch-pound units are provided for information.1.4 This stutidurd mq itirohe hazardoiis MU-tcriuls.opcwtiotis.utid qii
5、ipimvit.This standard does not pirrport to urldrcss all olilii.suliy prob-1wi.s n.v.sociutcJd with ils isc.It is lie rcq?otisihil-iy or wliowr IISLI?this stutidar to tatisiilt utid c,stuhlislr uppropriute sufdy und IiwItIi praciiw utid rlctiwnirre tlic uppliiubility o/regiiIatorj*liini-f u t ions pr
6、ior(O IISC.2.Applicable Documents 3.I ASTM Staiilurd.s:D 36 Test Method-for Softening Point of Bi-D 140 Methods of Sampling Bituminous tumen(Ring-and-Ball Apparatus)Materials 3.Summary of Method 3.1 The asphalt is placed in a specially de-signed mold and pressed against a stack of stand-ard papers b
7、y application of gas pressure.The number of papers stained by exuded oil is desig-nated as the Stain index of the asphalt.4.Significance and Use 4.1 This test method measures the tendency for oil components to separate spontaneously from bitumens.4.2 The Stain Index is related to the thermo-dynamic
8、stability of the asphalt.Higher Stain Index values indicate lower stability.5.Apparatus and Materiais 5.1 Srniri Molds.as shown in Fig.I.5.3 Mold.-f.sscmbls Jig,as shown in Fig.3.5.3 Pr1wrr.c I i.si4 as shown in Fig.3.5.4 Soiirc-11(!I Gus Priwirc und Ri:qiiiuiiiig Eqiiipinait(Coinpressid,dir OF Nifr
9、ogcvi)-Metal tubing.6 mm(Yi in.)in outside diameter.and compression fitting to connect to the pres-sure vessel.A shut-off valve should be installed between the source of gas pressure and the pres-sure gage to permit testing for leaks.5.5 Elwtric Owti.with temperature control of 11 I.5C(k3F)at 100C(2
10、 12F).of sufficienf size to permit the assembly of the pressure vessel and molds therein.5.6 Sranriard Paper-The test paper shall be a porous.uncoated.and unfilled paper approxi-mately I5 pm(0.6 mil)thick:typically a cigarette paper.It shall be agreed upon by buyer and seller.The paper used by diffe
11、rent laboratones for com-parative tests shall be obtained from the same source and shall be from the same lot.5.7 TorqiiiJ A kticli,O to 3.4 Nem(30 Ibf.in.).5.8 o)Pil-kk/tihi:/)Ol llfldililtil 1iJ TorqiiiJ A kwdl.5.9.dmcricun Swiss Ardi Pirtic+i,No.5,with a 19-mm(%-in.)hole for cutting disks of test
12、 paper.5.IO I iilcunizcw Rubber Sliivt,1.5-mm(%h-_ This test method is under the jurisdiction of ASTM Com-niiiiee D-X on Roofing.Waterproofing.and Bituminous Mate-rials and is the direct responsibility of Suhcommittee DOX.02 on Preparcxi Roofings.Shingles.and Siding Materials.Current edition approie
13、d June 17.1986.Published August iYX6.Originally puhlished as D 1328-54 T.Last previous edi-tionD 1328-81.z.4titiiu/Baik o.AST.4 Slatidark,Vol 04.04.Ititmu/BOJ 4.4STM Smiurd.v.Vols 04.03 and 04.04.I NOTICE:This standard has either been superseded and replaced by a new version or discontinued.Contact
14、ASTM International(www.astm.org)for the latest information.I ASTM D132 6 m 0759CLO 0021464 4 m in.)thick,of 40 to 50 durometer hardness.5.i i ltruviolet Light Soitrce,range from wave length of 0.30 to 0.41 ym with peak from 0.35 to 0.36 ym.5.i 2 Viewing Box or Darkroom,as shown in Fig.4.5.13 Desicca
15、tor,capable of maintaining 50 f 5%relative humidity at 25C(77F),using 45%H2SO4 solution as a desiccant.5.14 Asbestos-Graphite Gasket Muterial,1.5 mm(%6 in.)thick.5.i 5 Cellophane Sheeting,not moisture-proofed.5.16 Manila Foiep.5.17 Small Bench Vise.5.18 Puperboard,645 g/m2,0.65 to 0.75 mm(0.025 to 0
16、.030 in.)thick,and having a hard smooth surface.5.19 Small Tweezers,for handling test papers.6.Sampling Methods D 140.6.1 Sample the material in accordance with 7.Procedure 7.I Preparatioti o f Puper Disks:7.I.1 Place 3 1 sheets of the test paper and one sheet of cellophane inside a manila folder.Mark each fifth sheet with light pencil lines to facilitate counting at the end of the test.Avoid touching the papers with the hands,as this may contami-nate them with fluorescent oil.7.1.2 Condition th
