The description of the item 3921190060 of Italy 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) : Multi-porous multilayer separator foil with: -|one microporous polyethylene layer between two microporous polypropylene layers and whether or not containing a coating of aluminium oxide on both sides, -|a width of 65|mm or more but not more than 170|mm, -|a total thickness of 0,01|mm or more but not more than 0,03|mm, -|a porosity of 0,25|or more but not more than 0,65