TAR / COAL TAR
Coal tar is a by-product derived from
coal during the manufacture of domestic town gas. It was commonly used
in the UK as a binding agent for aggregate in the construction of
highways, car parks and paving until the 1980's when North Sea gas was
introduced and town gas works closed.
USED FOR :
It is used as a base for coatings and paint, in roofing and paving,
and as a binder in asphalt products. Both coal tar and coal-tar pitch
contain many chemical compounds, including carcinogens such as benzene.
Properties:
Properties of Coal Tar
Coal tar is black in color. It's a semi-solid and semi-liquid in nature and is less permeable. Its density is very thick and It has a peculiar smell. Tar is insoluble in nature which means that it can't dissolve in water.
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