3) White quartz Sand Size range: 0.5-1mm,1-2mm,1-3mm,1-2.5mm,2-3mm,2-4mm,3-5mm. ,or as customers require
4) Grade: Excellent grade
5) Usage: various field including digital cameras, projectors, photocopiers and various microscopes, advanced telescope lenses, prisms, and various optical test equipment, optical communication equipment filter lens, etc.
6) Quality Commitment: we have passed the ISO9001,2000 and QC certified.
7) Export Markets: United States, Europe, Australia, South Afric, etc
purity:99.99%
density:2.20g/cm3
refractive index :1.46/550nm
transimssion range:200-2500(nm)