Fused Quartz Plate

Excellent transmission of ultraviolet light,Extremely heat resistant, Operating temperature up to 1000 °C,Very high thermal shock resistance,Low coefficient of thermal expansion,High-purity glass composition,Outstanding chemical strength,Crystal clear water-white appearance,Low fluorescence,High electrical insulation resistance and Chemically inert.
Features:
1. High temperature resistant, 1100 degree.
2. Corrosion-resistant
3. Good thermal stability
4. Good transparency for light
5. Good electrical insulation
 
Impurity content

AL	Fe	K	Na	Li	Ca	Mg	Cu	Mn	Cr	B	Ti
5-12	0.19-1.5	0.71-1.6	0.12-1.76	0.38-0.76	0.17-1.23	0.05-0.5	0.05	0.05	<0.05	<0.1	<1.0

 
Spectral transmission at 1.0mm thickness

m m	<220	255	280	315	350	38	590	780
%	89	91	93	93	93	93	93.2	93.4

Physical Proerties

(g/cc)Density20 °C kg.m-3	2.2
Degree of Hardness Moh's Scale	5.5-5.6
Softening point(degree)	1683
Annealing point	1215