17 Acoustical insulation barrier panels; architectural acoustic products, namely, temporary coverings for passageways which function as sound barriers composed primarily of non-metal materials; extruded impact resistant polymer sheets for use in manufacturing a wide variety of plastic products; extruded plastic in the form of bars, blocks, pellets, rods, sheets and tubes for use in manufacturing; insulating materials; plastic composite material in the form of profiles, boards, sheets, blocks, rods, powder, and pellets for use in manufacturing; plastic laminated sheets and panels for use in the manufacture of countertops and tabletops; plastic material in extruded form for use in production; plastic sheeting for agricultural purposes and for preventing weed growth; plastic sheets for use in the manufacture of displays, signs and packaging; plastics in extruded form for use in further manufacturing and in production; recycled plastic in the form of bars, blocks, pellets, rods, sheets, tubes for use in further manufacturing; recycled plastics in extruded form for use in further manufacturing; semi-finished acrylic molded plastic substances, for use in horticulture, forestry, surface protection materials, noise absorption, doors, gates, windows, window coverings, furniture, shipping containers, display racks, boxes, protective coverings and construction; sound barrier panels for use along highways and other transportation corridors; soundproofing materials