(from the article `pitch`) Coal tar pitch is a soft to hard and brittle substance containing chiefly aromatic resinous compounds along with aromatic and other hydrocarbons and ...
Found on
http://www.britannica.com/eb/a-z/c/101
A bituminous material, which is a by-product from the coking of coal. It is used as the waterproofing material for tar and gravel built-up roofing.
Found on
http://www.encyclo.co.uk/local/20933
(Tar) A bituminous material which is a by product from the coking of coal. It is used as the waterproofing material for tar and gravel built-up roofing.
Found on
http://www.encyclo.co.uk/local/21074
A bituminous material produced by distilling crude tar residue derived from the cooking of coal. It is used as the waterproofing material for tar and gravel built-up roofing.
Found on
http://www.rbroof.com/glossary-of-terms
No exact match found.
