Bitumen Penetration Grade
ASTM Standard – Bitumen 30/40
Penetration grade bitumen 30/40 is high-quality asphalt, derived from crude petroleum refining. The bitumen has a penetration value between 30 and 40 Deci millimetres, according to the bitumen penetration grade 30/40 (0.3 to 0.4 millimetres). This kind of bitumen is regarded as medium-grade bitumen and is appropriate for several uses, such as waterproofing, insulation, and road building.
In tropical regions bitumen 30/40 Is one of the most popular ones for road building. Penetration grade bitumen 30/40 is high-quality asphalt, derived from crude petroleum refining. Bitumen 30/40 is dark in colour and possesses waterproofing and adhesive properties. Bitumen 30/40 is substantially non-volatile and softens gradually when heated.
Cutback RC 250
Rapid Curing 250 RC250 a combination of penetration grade asphalt cement and a diluent or cutter highly rapid in its volatility making it easier to apply.
Cutback MC 800
Rapid Curing 800 MC800 a combination of penetration grade asphalt cement and a diluent or cutter highly rapid in its volatility making it easier to apply.
Application
Bitumen 30/40 grade is commonly used in road construction. Due to its high viscosity, it’s preferred for application where road traffic is heavier.
Penetration bitumen grade 30/40 is a type of bitumen that is used for paving and road construction in hot and tropical areas. It is a semi-hard grade of bitumen that has a penetration value between 30 and 40 mm at 25 °C, which means it is not too soft or too hard at normal temperature. It also has a softening point between 55 and 63 °C, which means it can withstand high temperatures without melting or cracking. Penetration bitumen grade 30/40 is one of the most used bitumen grades for road construction in tropical areas, as it has good adhesion, rheology, durability, and application properties.
Specification
NO |
Description |
Unit |
30/40 Grade |
Test Method |
|---|---|---|---|---|
1
|
Specific Gravity @ 25°C
|
Kg/Cm3
|
1.01/1.06
|
ASTM D70
|
2
|
Penetration @ 25°C
|
MM/10
|
30/40
|
ASTM D5
|
3
|
Softening Point °C
|
°C
|
55/63
|
ASTM D36
|
4
|
Ductility @ 25°C
|
CM
|
100 Min
|
ASTM D113
|
5
|
Drop in Penetration after Heating %
|
%
|
20 Max
|
ASTM D5-D6
|
6
|
Flash Point °C
|
°C
|
250 Min
|
ASTM D92
|
7
|
Solubility In Trichloroethylene (wt) %
|
WT %
|
99.0 Min
|
ASTM D4
|
8
|
After Thin-Film Oven Test (TFOT)
|
-
|
-
|
ASTM D1754
|
9
|
Retained Penetration
|
%
|
50
|
ASTM D5
|
10
|
Increase In Softening Point
|
C
|
10 max
|
ASTM D 70
|
11
|
Ductility
|
CM
|
40 min
|
ASTM D 113
|
12
|
Loss on Heating (wt) %
|
WT %
|
0.2 Max
|
ASTM D6
|
13
|
Spot Test
|
@
|
Negative
|
AASHOT 102
|
Safe Handling and Storage
- Use Personal Protective Equipment (PPE’s) when handling (i.e. gloves, eye protectors, etc.
- Maintain safe heating temperatures when using this product.
- Avoid contact with skin, eyes and clothing.
- Avoid breathing vapor, spray or mists when applying.
Packaging
Penetration graded Bitumen 35/50 is available in 180kg net weight drums, 0.6mm thickness, 95cm height and 45cm diameter (+/- 3kg operational tolerance)
Drums
Keep drums in a cool, well-ventilated place.