FUSIL

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