| 428 / | HD | STOCK MATERIAL OR MISCELLANEOUS ARTICLES |
| 411.1 | DF | COMPOSITE (NONSTRUCTURAL LAMINATE) {25} |
| 446 | DF | .~ Of silicon containing (not as silicon alloy) {6} |
| 451 | ![]() | .~.~ Next to addition polymer from unsaturated monomers, or aldehyde or ketone condensation product |