extruded plastic in the form of sheets and strips for use in manufacturing; plastic sheets for use in the manufacture of packaging and of heating and cooling apparatuses and plastic sheets for use in PVC pipe jacketing, air-conditioning, roof insulating, sound proofing, automotive industry and thermal insulating; insulating materials, namely, pipe insulating material, air-conditioning insulating material; insulating materials, namely, roof insulating material, sound proofing material, and the...