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In the final tabulation of its results, Pride determined it had lowered its coal tar pitch by about 0.
He heated up a sample of tar pitch - a solid polymer that can smash if you hit it hard enough - and poured it into the funnel.
Much of the process at Abercwmboi, he said, involved tumbling dried and crushed coal, which was finer than face powder and would hang in clouds, and then combining it with tar pitch.
Our partners saw in the EHP Focus article "Paving Paradise: The Peril of Impervious Surfaces" (Frazer 2005) the statement on page A459: "Asphalt is one concern, as it contains coal tar pitch, a recognized human carcinogen.
Coal tar pitch modified by nitrile butadiene rubber
Here is a mixture for waterproofing tanks or basement walls; one part kerosene, four parts cement, 16 parts coal tar pitch.
Coal tar enamel is derived from coal tar pitch, a complex mixture of aromatic, organic compounds.
A slight fragrance of tar pitch hovers around the wood screen, an aroma which, according to the architects, can arouse a multitude of memories associated with wood and fibre products, from shipbuilding to rope-making.
There are two basic maintenance seal-coating materials: coal tar pitch emulsion and asphalt emulsion.