Bitumen
Bitumen
Bitumen (pronunciation: /bɪˈtjuːmɪn/), also known as asphalt in the United States, is a sticky, black, and highly viscous liquid or semi-solid form of petroleum.
Etymology
The term 'bitumen' originated from the Middle English word 'bithumen', which was borrowed from Latin 'bitūmen'. The Latin term was used in the sense of 'asphalt', and it is believed to be of Celtic origin.
Description
Bitumen is primarily used in road construction, where it is mixed with aggregate particles to create asphalt concrete. Its other uses include waterproofing products, particularly in the production of roofing felt and for sealing flat roofs.
Types of Bitumen
There are several types of bitumen, including Paving grade bitumen, Oxidized bitumen, Cutback bitumen, Bitumen emulsion, and Polymer modified bitumen.
Health Effects
Exposure to bitumen can have various health effects, including skin and eye irritation, respiratory problems, and in severe cases, an increased risk of lung cancer.
See Also
External links
- Medical encyclopedia article on Bitumen
- Wikipedia's article - Bitumen
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