Thermal Properties | Metric | English | Comments |
---|---|---|---|
Working Point | 1215 °C | 2219 °F | Viscosity 10<sup>4</sup> dPa s; ISO 7884-2 |
Schott Glass 8660 Borosilicate Glass Borosilicate glass for sealing to tungsten, of high cesium content Red eye reduction flash for electronic flashbulbs, longer life in comparison with glass 8487 The heavy metal content for the elem.. |