Toluene; [ polyurethanes; industrial chemicals for use in the manufacture of polyurethane; ] TDI being toluene diisocyanate; TDA being toluenediamine; toluene derivatives, namely, used in a range of manufacturing industries including synthetic-fibre production; [ isocyanate based compounds for raw materials of polyurethane; polyol as polyurethane raw materials, namely, aliphatic polyol and aromatic polyol; organic isocyanide; aromatic hydrocarbon; carbon monoxide being a gas for industrial us...