| 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% |
| 3909 | | Amino-resins, phenolic resins and polyurethanes, in primary forms: | | | | |
| 3909.50 | | Polyurethanes: | | | | |
| 3921.13 | | Of polyurethanes: | | | | |
| 4001 | | Natural rubber, balata, gutta-percha, guayule, chicle and similar natural gums, in primary forms or in plates, sheets or strip: | | | | |
| 4001.30.00 | | Balata, gutta-percha, guayule, chicle and similar natural gums | | Free | | Free |
| 5903.20 | | With polyurethane: | | | | |
