90019080

HS code 9001.90.80.00 (Chapter 90 "Optical, measuring, medical instruments"; Heading 9001 "Optical fibres and optical fibre bundles; optical fibre cables other than those of heading 8544; sheets and plates of polarising material; lenses (including contact lenses), prisms, mirrors and other optical elements, of any material, unmounted, other than such elements of glass not optically worked"; Subheading 900190 "Other") under the United States tariff schedule classifies "Halftone screens designed for use in engraving or photographic processes". United States customs apply MFN rate of Free, Column 2 rate 25%. Statutory unit of measure: No.. 17 free trade agreement preferential rates are available for this code.