Catalysts for use in the manufacture of industrial chemicals; chemical substances for analyses in laboratories, other than for medical or veterinary purposes; industrial chemicals; chemicals for industrial purposes; active chemical ingredients and solvents for use in the manufacture of insecticides; chemical reagents, other than for medical or veterinary purpose; chemical additives for use in the manufacture of insecticides and disinfectants; fire extinguishing compositions; refrigerant gas f...

Pipes, Tubing, and Fittings Made of Synthetic Materials Such as Fluoropolymer Plastics and the Like for Use in Fluid Flow Systems

PIPES, RODS, TUBES, AND SHEETS MADE OF SYNTHTIC MATERIALS SUCH AS PLASTICS, RESINS, AND THE LIKE