Items
Unit
Chemical
composition
SiO2
%
99.90 min
99.95%
Al
ppm
20 max
15
Fe
1.5 max
1.0
K
3 max
2.5
Specific gravity
g/cm3
2.2
Tensile strength
kg/cm²
70
Compression Strength
20x103
Flexuosity
±0.2
---
0.5x10-6/°C
℃
1730
6.5 min
Size
Inside Diameter
mm
0.5-100
Outside Diameter
1.5-110
Wall Thickness
0.5-10
Tolerance
2--1000
Application: Quartz iodine lamp tube, lighting, semiconductor industry and UV.