Technical Data

Optical properties:
Refractive Index n D at 200°C	1.79
Luminous transmittance (d=5.0mm)	85%

Chemical properties:
Hydrolytic resistance according to DIN ISO 719	HGB1
Lead oxide content	≥65%
Total Heavy metal oxide content	≥70%

Mechanical properties:
Density in g/cm³ (delivered condition)	5.05