Asphalt
i/ˈæsfɔːlt/ or /ˈæʃfɔːlt/ or /ˈæsʃfɛlt/, also known as bitumen, is a sticky, black and highly viscous liquid or semi-solid form of petroleum. It may be found in natural deposits or may be a refined product; it is a substance classed as a pitch. Until the 20th century, the term asphaltum was also used.[1]
The terms asphalt and bitumen are often used interchangeably to mean both natural and manufactured forms of the substance. In American English, asphalt (or asphalt cement) is the carefully refined residue from the distillation process of selected crude oils. Outside the United States, the product is often called bitumen. Geological terminology often prefers the term bitumen. Common usage often refers to various forms of asphalt/bitumen as "tar", such as at the La Brea Tar Pits. Another term, mostly archaic, refers to asphalt/bitumen as "pitch". The pitch used in this mixture is sometimes found in natural deposits but usually made by the distillation of crude oil.
Naturally occurring asphalt/bitumen is sometimes specified by the term "crude bitumen". Its viscosity is similar to that of cold molasses[2][3] while the material obtained from the fractional distillation of crude oil [boiling at 525 °C (977 °F)] is sometimes referred to as "refined bitumen".
Road Readie Paving - Barrie / Simoce County - www.roadreadiepaving.com - Our commitment is to deliver an exceptional product at a competitive cost. Road Readie Paving will take care of all of your paving needs- commercial, industrial or residential. With over 25 years of experience, you can be confident in our expertise and professionally trained staff. We will customize each project to suit your individual needs. With Road Readie Paving, you can trust that we will make your asphalt vision a reality.
I appreciate all of the information that you have shared. Thank you for the hard work!
ReplyDelete- Paving Gloucester MA