ESK

Chemical Products for Industrial Purposes-, namely, Silicon Carbide [, Inorganic Boron Compounds, Boron Halides, Inorganic Nitrides, Sintered Products-, namely, Silicon Carbide, Boron Carbide, Boron Nitride, Aluminum Nitride, Silicon Nitride, and Titanium Diboride; Sintered Materials-, namely, Boron Carbide, Silicon Carbide, and Optionally, Boron Containing Alloys, in the Form of Powders and Granules Used to Increase the Hardness and Resistance of Working Surfaces Through Thermochemical Treatment; Sintered Materials in the Form of Powders and Granules for the Preparation of Abrasives; Sintered Materials in the Form of Powders and Granules Used as Additives in the Preparation of Refractory Compositions and Sintered Materials in the Form of Powders and Granules for Radiation Shielding and Absorbent Materials Used in Nuclear Techniques and Procedures; Sintered Materials as Refractory Masses; Chemical Additives for Metallurgical Purposes; Silicon Carbide Used as Electro-Technical Resistance Material; Crucible Materials-, namely, Silicon Carbide, Boron Carbide, Boron Nitride, Aluminum Nitride, Silicon Nitride, and Titanium Diboride, Silicon Compounds for the Manufacture of Other Articles ]

Abrasives and Polishing Materials-, namely, [ Boron Carbide, ] Silicon Carbide [, and Diamond ]

[ Boron Nitride as a Lubricant ]

[ Parts of Machines Made Wholly or Partly of Hard Materials-Namely, Nozzles, Drills, Centrifuge Blades, Bearings, Shafts, Drawing Dies, Thread Guides, Mortars; Molded Articles Made Wholly or Partly of Hard Materials-Namely, Plates, Rods, Tubes, Balls and Profiled Parts for Machines and Cutting Tools Operated by Motor ]

[ Instruments Made Wholly or Partly of Hard Materials-Namely, Dressing Tools, Hand Laps, Drills, Drawing Dies, Thread Guides, Mortars; Molded Articles Made Wholly or Partly of Hard Materials-Namely, Plates, Rods, Tubes, Balls and Profiled Parts for Cutting Tools Operated Manually ]

[ Crucibles for Laboratory Use; Molded Articles, Made Wholly or Partly of Hard Materials-Namely, Plates, Rods, Tubes, Balls and Profiled Parts for Measuring Instruments, Optical, Physical, Chemical, Electro-Technical Instruments ]

[ Molded Articles Made Wholly or Partly of Hard Materials-Namely, Plates, Rods, Tubes and Profiled Parts which Are Parts of Medical Instruments ]

[ Evaporators for High Vacuum Evaporation, Sandblasting Nozzles Used for Cleaning Building Facades and Other Surfaces ]

[ Silicon Compounds for Use as Fillers in Concrete; Sintered Materials as Refractory Masses ]