Magnesium fluoride

Appearance：colorless transparent particles

Density:3.18grams per cubic centimeter

Friction hardness:5-6

Melting point:1260℃

Light transmission range:200-7000nm

Refractive index（500nm）：1.38

Evapration condition :  electron  gun ,oxygenation

Evapration temperature:1300-1600℃

Purity:99.99%