Optical glass with high transmission, can be selected nearly free of bubbles and inclusions and has very good homogeneity (down to 1x10-6)
Density (at 20º C/68 ºF): 2.51 g/cm³
Thermal Coefficient of Expansion (20/300 °C): 7.0 x 10-6/°C
Strain Point:°C/ °F
Annealing Point:°C/ °F
Softening Point:°C/ °F
Refractive Index(l=582.1nm): 1.509
Optical transmission
Hydrolytic resistance: class 2
Acid resistance: class 1
Alkali resistance: class 2
Dielectric Constant: E=
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