The description of the item 3921190040 of France HScode: Plates, sheets, film, foil and strip, of cellular plastic, unworked or merely surface-worked or merely cut into squares or rectangles (excl.those of polymers of styrene, vinyl chloride, polyurethanes and regenerated cellulose, self-adhesive products, floor, wall and ceiling coverings of heading 3918 and sterile surgical or dental adhesion barriers of subheading 3006.10.30) : Transparent, microporous, acrylic acid grafted polyethylene film, in the form of rolls, with: -|a width of 98|mm or more but not more than170|mm, -|a thickness of 15|µm or more but not more than 36|µm,of a kind used for the manufacture of alkaline battery separators