Our company develop opaque quartz item with well heat insulation and high temperature-resistant, application for heat insulation accessories in semiconductor processing.
Chemical element composition(Typical data)ppm

Ca	Fe	Cu	Mg	K	Na	Li	Al
0.80	0.50	0.10	0.10	1.60	2.20	0.30	25.00

 

 

Transmission

 

wave length(nm)	400nm	500nm	600nm	700nm
transmission	1.0%	1.2%	1.2%	1.2%

 

test sample thickness 4mm

Air bubble : Magnify 100 times

Density >2.0 × 103kg /m³