| 8 / | HD | BLEACHING AND DYEING; FLUID TREATMENT AND CHEMICAL MODIFICATION OF TEXTILES AND FIBERS |
| 506 | DF | NONTEXTILE, DYEING PROCESS OR PRODUCT, INCLUDING INORGANIC FIBER {12} |
| 522 | | .~ Inorganic substrate {1} |
| 523 | DF | .~.~> Silica or calcareous substrate, e.g., glass, etc. |