Silicon dioxide (SiO2) Appearance: colorless transparent pellets Density: 2.202 g/cm3 Vapor pressure: 1 Pa at 2000centigrade 10 Pa at 2200centigrade Hardness(Mohs hardness): 5.5 Melting point: 1700centigrade Solubility: non-soluble in water, soluble in acid Transmittance scope: 200-2000nm Refractive index(550nm): 1.46 Vapour deposition condition: evaporated by electron gun Vapour deposition temp.: 1800-2200centigrade Purity: >99.9999% Applications: anti-reflection film, multi-layer film, filter, spectroscope, film for capacitors, etc. Specs: Ø2*2mm Ø3*3mm Ø25*10t Ø25*7t 1-2mm 1-3mm

Issue Time:		2008-01-14
Expire Time:		2009-01-14