Plates, sheets, film, foil and strip, of flexible cellular polyurethane, unworked or not further worked than surfaceworked or merely cut into squares or rectangles (excl. such selfadhesive products, and floor, wall and ceiling coverings of heading 3918 and sterile surgical or dental adhesion barriers of subheading 3006.10.30)
Plates, sheets, film, foil and strip, of rigid cellular polyurethane, unworked or not further worked than surfaceworked or merely cut into squares or rectangles (excl. such selfadhesive products, and floor, wall and ceiling coverings of heading 3918 and sterile surgical or dental adhesion barriers of subheading 3006.10.30)