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Bitumen is an oil based substance. It is a semi-solid hydrocarbon product produced by removing the lighter fractions (such as liquid petroleum gas, petrol and diesel) from heavy crude oil during the refining process. As such, it is correctly known as refined bitumen.
The vast majority of refined bitumen is used in construction primarily as a constituent of products used in paving and roofing applications. According to the requirements of the end use bitumen is produced to specification. This is achieved either by refining process or blending.
Bitumen in service (in the road, on the roof, . ) is an inert material and represents no hazard to human health.
Characteristics | ASTM Method | Results | |
Specific Gravity at 25°C | ASTM D-70 | 1.01 to 1.06 | |
Penetration at 25°C,100gm, 5 Sec | ASTM D-5 | 0.1 MM | 60 - 70 |
Softening Point , Ring & Ball | ASTM D-36 | °C | 49 - 56 |
Ductility at 25°C, after TFOT, Min | ASTM D-113 | CM | 100 |
Loss on Heating ,Max | ASTM D-6 | %W | 0.2 |
Drop in Penetration after Heating, Max | ASTM D-6 & ASTM D-5 | % | 20.0 |
Flash Point Cleveland open cup ,Min | ASTM D-92 | °C | 250 |
Solubility in CS2, Min | ASTM D-4 | %W | 99.5 |
Organic Matter Insoluble in CS2 , Max | ASTM D-4 | %W | 0.5 |
Spot Test | *A.A.S.H.O.T.102 | Negative |
Fuel oilis a fraction obtained from petroleum distillation, either as a distillate or a residue. Broadly speaking fuel oil is any liquid petroleum product that is burned in a furnace or boiler for the generation of heat or used in an engine for the generation of power, except oils having a flash point of approximately40 C (104 F).Fuel oil is made of longhydrocarbon chains, particularly alkanes, cycloalkanes and aromatics. different organizations may have different numerical specifications for the six fuel oil grades. The boiling point and carbon chain length of the fuel increases with fuel oil number. Viscosity also increases with number.
No. | Characteristics | Specifications |
1 | Acidity (Inorganic) Mgkoh / Gm Max | Nil |
2 | Ash Percentage by Weight Max. | 0.1 |
3 | Flash point (PMCC) C Min | 66 |
4 | Pour Point C. Max | 18 |
5 | Kinematics' Viscosity at 50 C CST Max | 180 |
6 | Sulphur Pet WT.Max (Quartz Tube) | 3.5 |
7 | Carbon Residue Raw bottom Pet Max | 15 |
8 | Water Pet. Vol. Max | 0.1 |
9 | Total Sediment Potent by Pet Max. | 0.10 |
10 | Density @ 15 C Max | 0.990 |
11 | Gross Calorific Value Kcal / Kg (Min.) | 10100 |
12 | C.C.A.I. | 850 |
13 | Vanadium Pot by WT. MG / KG Max. | 350 |
14 | Sodium Pot by WT MG/KG Max | 50 |
15 | Asphaltense Pot by WT.Max | 14 |
16 | Aluminium MG/KG Max | 30 |