Hard Glass Shell - HONHAI 005

borosilicate hard glass shell, used on mercury lighting, sodium lighting, halogen lighting. T37.5, T46, BT70, BT 75, BT80,BT90 - details see: https://www.lightinghere.com/hard-glass-shell-10000420

Place of Origin: Shandong China (Mainland)	Brand Name: HONHAI	Model Number: HONHAI 005	Material: Glass
Shape: Round	Style: Antique

borosilicate hard glass shell, used on mercury lighting, sodium lighting, halogen lighting. T37.5, T46, BT70, BT 75, BT80,BT90, BT120, BT62, ED55, ED90, ED120

Lighting Bulb

Physical Data

Physical performance	LN4.0	Unit
Medium coefficient of linear expansion α 20/300	40.5±1.0	10^-6k^-1
Viscosity temperatures(dPas):10^7.6softening point	770±10	°C
10^13.2upper temperature	555±10	°C
Strain point temperature	505±10	°C
Temperature for the specific Electrical resistance of 10⁸ cm(dim52356)t_k100t	≥235	°C
Thermal stability	≥235	°C
20°CDensity ρ	2.26±0.015	G/cm³
Water resistance	1