Tantalum pentoxide  (Ta₂O₅)

Appearance:                  grey-black pellets or slices 

Density:                     8.70 g/cm³

Vapor pressure:               1 Pa at 2000℃      10 Pa at2200℃

Hardness(Mohs hardness):     7

Melting point:                 1880℃

Solubility:                    non-soluble in water, soluble in hydrofluoric acid

Transmittance scope:           350-7000nm

Refractive index(550nm):       2.10

Vapour deposition condition:     evaporated by electron gun, oxygen added

Vapour deposition temp.:        2100℃

Purity:        >99.99%

Applications:  anti-reflection film, interference filter, etc.

Specs:       < 1mm   1-2mm   1-3mm   1-5mm

Fused block  Φ35*15t     Φ44*15t