Table 3
Requirements for Asphalt Cement Graded by Penetration at
F (25"
(Grading Based on Original Asphalt)
Penetration
Grade
40
50
60
70
85
100
120
150 200
300
Test
Min
Max
Min
Max
Min
M-x Mip
a
n
Max Min
Ma-
x
-
-
m
-
Penetration at
F (25" C) 100 g, 5 s
40
50
60
70
85
100 120
150 200
300
F (Cleveland open cup)
Flash point,
450
--
450
--
450
--
425
--
350
--
Ductility at 77" F
C) 5
cm
100
--
100
--
100
--
100
--
--
Solubility in trichloroethylene, percent
99.0 --
99.0 --
99.0 --
99.0 --
99.0 --
Retained penetration after thin-film oven
--
52-k
--
47+
--
42+
--
37+
--
test, percent
Ductility at 77" F (25"
5 cm/min, cm
--
--
50
--
75
--
100
--
--
after thin-film oven test
1
From American Society for Testing and Materials Standard Specification D 946-82, Table 1.
2
If ductility at 77" F (25" C) is less than 100 cm, material will be accepted if ductility at 60
F
(15.5" C) is 100 cm minimum at the pull rate of 5 cm/min.
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