Thermal Properties | Metric | English | Comments |
---|---|---|---|
Working Point | 1110 °C | 2030 °F | Viscosity 10<sup>4</sup> dPa s; ISO 7884-2 |
Schott Glass 8689 Borosilicate Glass Borosilicate glass, highly UV-blocked, stabilized against solarization, sealing glass to Tungsten Backlights The heavy metal content for the elements lead, cadmium, mercury, and hexavalent chromium.. |