| 524 / | HD | SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES | 
| 910 |  | ANTISTATIC COMPOSITIONS {3} | 
| 911 | DF | .~> Composition to apply to a substrate to be destaticized | 
| 912 | DF | .~> Contains metal, boron, phosphorus, or silicon | 
| 913 | DF | .~> Contains nitrogen nonreactant material |