| 3812.30.30 | 00 | Master batches of poly[nitrilomethanetetraaryl- nitrilo[2,4,6- tris(1-methylethyl)-1,3- phenylene]]-2,6-bis(1-methylethyl)phenyl]- - [[[[2,6-bis(1-methylethyl)phenyl]amino]- methylene]amino]carbodiimide or 2,4-diisocyanate-1,3,5-tris(1-methylethyl)- benzene homopolymer with polyethylene, polyethylene terephthalate, or thermoplastic polyurethanes; Master batches of 3-(2H-benzotriazol-2-yl)-5- (tert-butyl)-4-hydroxybenzenepropanoic acid, C7-C9 branched or linear alkyl esters; and Master batches of alpha[3-[3-(2H-benzotriazol-2- yl)-5-(1,1-dimethylethyl)-4-hydroxyphenyl]-1- oxopropyl- -[3-[3-(2H-benzotriazol-2-yl)-5- (1,1-dimethylethyl)-4-hydroxyphenyl]-1-oxo- propyl] poly(oxyethylene) | kg | Free | | 3.7￠/kg + 60% |
| 7403 | | Refined copper and copper alloys, unwrought (other than master alloys of heading 7405): | | | | |
| 7405.00 | | Master alloys of copper: | | | | |
| 7405.00.60 | 30 | Beryllium copper master alloy | kg | | | |
| 7601.20.90 | 30 | Aluminum vanadium master alloy | kg | | | |
| 8523 | | Discs, tapes, solid-state non-volatile storage devices, "smart cards" and other media for the recording of sound or of other phenomena, whether or not recorded, including matrices and masters for the production of discs, but excluding products of Chapter 37: | | | | |
| 9818.00.03 | 00 | Spare repair parts or materials (other than nets or nettings) which the owner or master of a vessel certifies are intended for use aboard a cargo vessel, for installation or use on such vessel, as needed, in the United States, at sea, or in a foreign country, but only if duty is or has been paid under this schedule upon first entry into the United States of each such spare part or material purchased in, or imported from, a foreign country | X | Free | | 50 percent of the cost of such parts or materials |
