Penetrations Grades Bitumen
Penetrations Grades Bitumen
Penetration-grade bitumen is mainly used in road surfacing. Bitumen with lower penetration grade is used in the regions with warm climate while higher penetration grade is used in colder weather.
Test |
Methodology |
30 - 40 |
40 - 50 |
60 -70 |
85 -100 |
100 -120 |
|---|---|---|---|---|---|---|
|
Density
|
ASTM D-7
|
1.01- 1.06
|
1.01 - 1.06
|
1.01 – 1.06
|
1 – 1.05
|
1.01 – 1.04
|
|
Penetration @25° C
|
ASTM D-5
|
30 – 40
|
40- 50
|
60 – 70
|
85 – 100
|
100 – 120
|
|
Softening Point° C
|
ASTM D-36
|
55-63
|
52-60
|
49-56
|
45-52
|
42-49
|
|
Ductility 25° C (cm)
|
ASTM D-113
|
Min 100
|
Min 100
|
Min 100
|
Min 100
|
Min 100
|
|
Flash Point ° C
|
ASTM D-92
|
Min 250
|
Min 250
|
Min 250
|
Min 250
|
Min 250
|
|
Solubility Disulfide %wt
|
ASTM D-4
|
99.50
|
99.50
|
99.50
|
99.50
|
99.50
|
|
Stain Test
|
AASHTO T 102
|
Negative
|
Negative
|
Negative
|
Negative
|
Negative
|
|
Weight Loss by Heating %wt
|
ASTM D-6
|
Max 0.2
|
Max 0.2
|
Max 0.2
|
Max 0.2
|
Max 0.2
|
|
Weight Loss by Heating %
|
ASTM D-6-D-5
|
Max 20
|
Max 20
|
Max 20
|
Max 20
|
Max 20
|
Worldwide location
We understand that every market is different and that our customers and their requirements are as diverse as the world in which we live. With offices worldwide our colleagues comprise nationalities giving us a diversity of thinking which we believe translates into a greater understanding of our customers and enabling us to make better and more informed decisions.
