ACTIVATOR. POLYMERIC ISOCYANATE. USED WITH A PREMIX (BITIMININOUS MIXTURE) TO FORM A TOUGH DURABLE, RESILENT, IMPERMEABLE BARRIER TO WATER AND MOST AQUEOUS REAGENTS. FOR USE ON PACKING DECKS AND INDUSTRIAL FLOORING.

CLASSIFICATION IS DETERMINED BY THE INTERPRETATION OF GENERAL RULES 1 & 6 OF THE COMBINED NOMENCLATURE AND THE TERMS OF HEADING 3911 AND SUBHEADING 391190.