POROTEC

OXIDES OF METALS AND SEMI-METALS AND MIXED PHASES THEREOF, SILICIC ACID ESTERS, SILICA, AMORPHOUS SILICA, POROUS SILICA AND SINTERED SILICA, ALL FOR MANUFACTURING USE IN THE CHEMICALS, GLASS, CERAMICS, INSULATION, ENGINEERING, ELECTRONICS, MOULD MAKING, SEMI-CONDUCTOR, MICROCHIP AND PHOTOVOLTAIC INDUSTRIES

FIBER OPTIC CABLES, OPTICAL GLASS, NAMELY, OPTICAL MIRRORS, EYEGLASS LENSES AND OPTICAL LENSES FOR SCIENTIFIC AND INDUSTRIAL OPTICAL MEASURING DEVICES; CRUCIBLES FOR MELTING AND CRUCIBLES FOR DRAWING MADE OF SILICA; FUSED QUARTZ FOR USE AS OPTICAL LENSES AND GLASS FIBERS AND QUARTZ GLASS FOR USE IN OPTICAL DEVICES

FUSED QUARTZ AS A SEMI-FINISHED PRODUCT AND PARTLY WORKED GLASS EACH FOR GENERAL INDUSTRIAL AND FURTHER MANUFACTURING USE; RAW GLASSES, GLASS POWDERS, GLASS WOOL AND GLASS FIBERS, ALL NOT FOR INSULATING USE OR TEXTILE USE