NGP Industries Ltd. Supplies Coal Tar Pitch with Low Volatile Content. NGP Industries Ltd. Is an ISO 9001:2000 accredited company. NGP Industries Ltd. Manufactures Rock Wool Insulation, Anti Corrosive Coal-Tar based products and Primer, Ceramic Fibre, Polyurethane/Polyisocyanurate and Waterproofing Materials. Coal Tar Pitch with Low Volatile Content is black solid material at room temperature, consists of a complex mixture of predominantly aromatic hydrocarbons and exhibits excellent properties as binder for anode use for Aluminium smelting industry.