Quartz precision sphere
Sandoz
nd 2.2
Si02
Density 2,2
Fusion Temperature 1900°C
Thermal expansion 0,51
Hardness Mohs5,5 - 6,5
Modulus of elasticity 4,41 x 10 a 20°C
We mainly work on spectrosil 2000,
Spheres between 0,3 and 10 mm








