place of origin： china
Silica content： 99.99
use： High temperature
Melting point： 1730
Annealing Point 1215
Deformation point 1120
Mohs hardness 7
Coefficient of expansion 5.5
Refractive index 1.4585
1.wrapped with thin white paper .
2.winded with foam material
3.put into the paper carton
4.packed with wooden case
The red quartz tube
We produce red quartz tube main pink quartz tube, wine red quartz tube and dark red quartz tube of several color for you to choose.
The red quartz tube is to join several trace element, make its reach all the UV rays and a part of visible and infrared ray can be fully used effect, the red quartz tube with infrared radiation, heat fast, shine downy, energy conservation and environmental protection and other characteristics, in the electric light source areas are the most widely used.
|Coefficient of Thermal Expansion(cm/cm°C)||5.5*10-7||5.9*10-7||6.7*10-7|
|Softening Point (°C)||1683||1660||1615|
|Annealing Point (°C)||1215||1204||1163|
|Strain Point (°C)||1120||1106||1066|
|Specific Heat (j/kgOK)||670||700||690|
|Compressive Strength (Pa)||>1.1*109||0.94*109||0.55*109|
|Youngs Modulus (Pa)||7.2*1010||7.5*1010||7*1010 |