The Coal tar pitch (tar) is characterized as a black oily liquid that is a rich source of mostly orgamic chemicals such as benzene, phenol and creosote. It is a bituminous material which is a by product from the coking of coal.
It is used as the material for tar and gravel built-up roofing and it can be processed into a variety of materials including dyes, paints, and drugs.
Ref: 122737/2006-10-01
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Coal (Coal is formed from plant and animal matter that ...)
Coal (Coal refers to a combustible black or brownish ...)
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