... the additives for the optical glass and tantalite crystal, used to make capacitors in automotive electronics, cell phones, and pagers, ... integrated circuits. Due to its high index of refraction, Ta2O5 has been utilized in the fabrication of the glass of many photographic lenses.Packaging ... K2TaF7 over than 10 years, we have exported our Nb2O5 to Southeast Asian, Europe, USA, etc, once you enter business ...