Electric, thermal and acoustic insulators; Electrical insulating materials; Extruded semi-finished goods made of synthetic materials in the form of plates, bars, pipes and flexible hoses for construction and agricultural use; Insulating materials; Insulating sleeves for water heater; Insulation covers for industrial machinery; Insulation materials, namely, composite sheets and panels comprising a reinforced cement core mechanically bonded to steel sheets on both outer surfaces for use in barr...