oxides of metals and semi-metals and mixed phases thereof, silicic acid esters, silica, amorphous silica, porous silica and sintered silica, all for manufactuing use in the chemicals, glass, ceramics, insulation, engineering, electronics, mould making, semi-conductor, microchip and photovoltaic industies
Chemicalsfiber 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 quarta glass for use in optical devices
Electrical and Scientific Apparatusfused quartz 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
Housewares and Glass