Test Method for Staining Properties of Asphalt (Withdrawn 1992)

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ASTM D1328-86 - Test Method for Staining Properties of Asphalt (Withdrawn 1992)
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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 under 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 last revision or reapproval.
1. Scope 4.2 The Stain Index is related to the thermo-
dynamic stability of the asphalt. Higher Stain
I. I This test method covers the determination
Index values indicate lower stability.
of the staining properties of asphalt by the mod-
ified pressure method. 5. Apparatus and Materiais
1.2 This test method is applicable to asphalts
5.1 Srniri Molds. as shown in Fig. I.
having ring-and-ball softening points of 65°C
5.3 Mold .-f.sscmbls Jig, as shown in Fig. 3.
(1 50°F) or greater. and should not be used for
5.3 Pr1wrr.c~ I i~.~.si4 as shown in Fig. 3.
testing asphalts having softening points below
5.4 Soiirc-11 (!I' Gus Priwirc~ und Ri:qiiiuiiiig
65°C. except for those having a penetration of 35
Eqiiipinait (Coinpressid ,dir OF Nifrogcvi)-
or less.
Metal tubing. 6 mm (Yi in.) in outside diameter.
1.3 The values stated in Si units are to be
and compression fitting to connect to the pres-
regarded as the standard. The values stated in
sure vessel. A shut-off valve should be installed
inch-pound units are provided for information.
between the source of gas pressure and the pres-
1.4 This stutidurd mq' itirohe hazardoiis MU-
sure gage to permit testing for leaks.
tcriuls. opcwtiotis. utid qiiipimvit. This standard
5.5 Elwtric Owti. with temperature control of
does not pirrport to urldrc'ss all ol'ilii~ .suli~íy prob-
11 I .5"C (k3"F) at 100°C (2 12°F). of sufficienf size
1wi.s n.v.sociutcJd with ils i~sc. It is [lie rcq?otisihil-
to permit the assembly of the pressure vessel and
i[y or wlio~wr IISLI?~ this stutidarù to tatisiilt utid
molds therein.
c~,stuhlislr uppropriute sufdy und IiwItIi prac[iiw
5.6 Sranriard Paper-The test paper shall be
utid rlctiwnirre tlic uppliiubility o/'regiiIatorj* liini-
a porous. uncoated. and unfilled paper approxi-
fut ions prior (O IISC.
mately I5 pm (0.6 mil) thick: typically a cigarette
be agreed upon by buyer and seller.
paper. It shall
2. Applicable Documents
The paper used by different laboratones for com-
3. I ASTM Staii~lurd.s:
parative tests shall be obtained from the same
D 36 Test Method -for Softening Point of Bi-
source and shall be from the same lot.
tumen (Ring-and-Ball Apparatus)'
5.7 TorqiiiJ A kticli, O to 3.4 Nem (30 Ibf. in.).
D 140 Methods of Sampling Bituminous
5.8 o[)Pil-kk/ ~t'ihi:/~)Ol ~llfldililí~til 1iJï
Materials"
TorqiiiJ A kwdl.
5.9 .dmc~ricun Swiss Ardi Pirtic+i, No. 5, with
3. Summary of Method
a 19-mm (%-in.) hole for cutting disks of test
3.1 The asphalt is placed in a specially de-
paper.
signed mold and pressed against a stack of stand-
5. IO I iilcunizcw' Rubber Sliivt, 1.5-mm (%h-
ard papers by application of gas pressure. The
__
number of papers stained by exuded oil is desig- ' This test method is under the jurisdiction of ASTM Com-
niiiiee D-X on Roofing. Waterproofing. and Bituminous Mate-
nated as the Stain index of the asphalt.
rials and is the direct responsibility of Suhcommittee DOX.02 on
Preparcxi Roofings. Shingles. and Siding Materials.
4. Significance and Use
Current edition approied June 17. 1986. Published August
iYX6. Originally puhlished as D 1328 - 54 T. Last previous edi-
4.1 This test method measures the tendency
tionD 1328-81.
for oil components to separate spontaneously
z.4titi~iu/ Baik oï.AST.4í Slatidark, Vol 04.04.
from bitumens.
'. Ititmu/ BOJ^ 4.4STM Smiúurd.v. Vols 04.03 and 04.04.
I

---------------------- Page: 1 ----------------------
I
ASTM D132ô ô6 m 0759CLO 0021464 4 m
D 1328
in.) thick, of 40 to 50 durometer hardness. mold (Fig, i) on a sheet of untreated cellophane
sheeting and pour the molten asphalt into the
5. i i ültruviolet Light Soitrce, range from
wave length of 0.30 to 0.41 ym with peak from mold until it is about half full. When the asphalt
has cooled to room temperature, moisten the
0.35 to 0.36 ym.
5. i 2 Viewing Box or Darkroom, as shown in cellophane sheet, and strip it from the asphalt.
This provides a flat, fresh, clean surface of asphalt
Fig. 4.
5.13 Desiccator, capable of maintaining 50 f for the test.
5 % relative humidity at 25°C (77"F), using 45 % 7.2.4 Fasten the mold assembly jig in the vise
with the screw at the top. Then place the center
H2SO4 solution as a desiccant.
5.14 Asbestos-Graphite Gasket Muterial, 1.5 section of the mold on the smalk bu
...

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