Plates, sheets, film, foil and strip of vulcanised fibre, not reinforced, laminated, supported or similarly combined with other materials, without backing, unworked or merely surfaceworked or merely cut into squares or rectangles
Plates, sheets, film, foil and strip, of noncellular cellulose derivatives, not reinforced, laminated, supported or similarly combined with other materials, without backing, unworked or merely surfaceworked or merely cut into squares or rectangles (excl. products of cellulose acetates, vulcanised fibre, selfadhesive products, floor, wall and ceiling coverings of heading 3918)