428 / | HD | STOCK MATERIAL OR MISCELLANEOUS ARTICLES |
411.1 | DF | COMPOSITE (NONSTRUCTURAL LAMINATE) {25} |
492 | DF | .~ Of natural rubber {3} |
494 | .~.~ Next to aldehyde or ketone condensation product or addition polymer from unsaturated monomers {1} | |
495 | DF | .~.~.~> Including polyene monomers |