STA 2017 High purity clear fused silica quartz heating rod solid glass rod
1.Heat resistance
2.Low coefficient of thermal expansion.
3.This clear fused quartz rod has the charateristics of high purity,heat resistance and low coefficient of thermal expansion
4.Transparent Fused clear Quartz Glass Rod :
This clear quartz rod has the charateristics of high purity,heat resistance and low coefficient of thermal expansion.It service as the material of the bridging rod for single-ended halogen lamps ,optical fiber lighting.quartz fiber and semiconductor silicon chip processing,etc.,
5.SiO2≥99.99%.
(2) the technical data of quartz rod
Quartz rods |
SIO2 : | 99.9 % |
Density : | 2.2(g/cm3) |
Degree of hardness moh' scale : | 6.6 |
Melting point: | 1732°C |
Working temperature : | 1100°C |
Max temperature can reach in a short time : | 1450°C |
Acid tolerance: | 30 times than Ceramics , 150 times than Stainless steel |
Visible light transmittance : | above 93% |
UV spectral region transmittance: | 80% |
Resistance value : | 10000 times than ordinary glass |
Annealing point: | 1180°C |
softening point: | 1630°C |
Strain point: | 1100°C |
Chemical composition (ppm)
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
mm | <220 | 255 | 280 | 315 | 350 | 38 | 590 | 780 |
% | 89 | 91 | 93 | 93 | 93 | 93 | 93.2 | 93.4 |
Specification:
OD & Tolerance(mm) | Max. out of Round(mm) |
2.0±0.1 | 0.10 |
2.5±0.1 | 0.10 |
3.0±0.1 | 0.10 |
4.0±0.15 | 0.15 |
5.0±0.15 | 0.15 |
8.0±0.2 | 0.20 |
10.0±0.2 | 0.20 |
15.0±0.2 | 0.20 |
19.0±0.3 | 0.30 |
besides ,we could produce according to your requirment and drawing .