Middle English bithumen mineral pitch, from Latin bitumin-, bitumen. First Known Use: 15th century
The largest use of asphalt/bitumen is for making asphalt concrete for road surfaces and accounts for approximately 85% of the asphalt consumed in the United States.
Bitumen is a black, oily, viscous material that is a naturally-occurring organic byproduct of decomposed organic materials. Also known as asphalt or tar ...
Many runways are asphaltic concrete—aggregate in a bitumen binder—which softens and melts under heat.
Beside the petrochemical items, 5,000 tons of bitumen from Tabriz Oil Refinery, 7,000 tons of granulated sulfur from Shazand Oil Refinery in the central province of ...
Bitumen, dense, highly viscous, petroleum-based hydrocarbon that is found in deposits such as oil sands and pitch lakes (natural bitumen) or is obtained as a residue ...
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 ...
One of the easiest ways to understand bitumen is to compare it to its cousin, conventional crude oil. Whereas conventional crude oil flows freely, bitumen does not.
Oil sands, tar sands or, more technically, bituminous sands, are a type of unconventional petroleum deposit. Oil sands are either loose sands or partially ...
Bitumen (betoningen ligger på andra stavelsen)  är ett bindemedel bestående av kolväten. Det framställs ur petroleum och benämns i vissa fall populärt asfalt.