Gilsonite Natural Asphalt Natural Bitumen Asphaltum

specializing in the production of large, medium and small concrete mixers, concrete mixing stations, stabilized soil mixing stations and other equipment. It is a heavy industry enterprise integrating R & production and sales.

Asphalt - Wikipedia

Asphalt, also known as bitumen (UK: / ˈ b ɪ tj ʊ m ɪ n /, US: / b ɪ ˈ tj uː m ə n, b aɪ-/), is a sticky, black, highly viscous liquid or semi-solid form of petroleum.It may be found in natural deposits or may be a refined product, and is classed as a pitch.Before the 20th century, the term asphaltum was also used. The word is derived from the Ancient Greek ἄσφαλτος ásphaltos.

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La Brea Tar Pits - Wikipedia

La Brea Tar Pits are a group of tar pits around which Hancock Park was formed in urban Los Angeles.Natural asphalt (also called asphaltum, bitumen, pitch, or tar; brea in Spanish) has seeped up from the ground in this area for tens of thousands of years. The tar is often covered over with dust, leaves, or water. Over many centuries, the tar preserved the bones of trapped animals.

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The Color of Art Pigment Database: Pigment Brown - PBr

The natural form of a resinous hydrocarbon similar to petroleum asphalt; (Reference Pigment Compendium, 2008); Asphaltum is defined by Child (per 1995) as different from petroleum asphalt. 'Asphaltum' being defined as the naturally occurring material (Nbk6), and the term 'asphalt' meaning those products derived from of coal tar.

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The Color of Art Pigment Database: Pigment Black - PBk

The natural form of a resinous hydrocarbon similar to petroleum asphalt; (Reference Pigment Compendium, 2008); Asphaltum is defined by Child (per 1995) as different from petroleum asphalt. 'Asphaltum' being defined as the naturally occurring material (Nbk6), and the term 'asphalt' meaning those products derived from of coal tar.

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