Maltha

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Maltha

 

a thick, viscous petroleum containing hydrocarbons and a large quantity of asphalt-resin constituents (not less than 35 percent). Density, about 1.0 g/cm3. It is commonly described as a product of petroleum resinification and polymerization, although certain scientists consider it to be the intermediate stage between the original organic petroleum-producing substance and petroleum itself.

maltha

1. In ancient Roman construction, a type of bitumen, various cements, stuccos, and the like, used for repairing cisterns, roofs, etc.
2. A bituminous substance midway in consistency between asphalt and petroleum.
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