China Milk White Quartz Glass Tube Products Quartz Glass Customization

Specifications:
1, Fused quartz glass tubing
2, Sio2 99.99% min
3, nice appearance
4, no bubble no airline nice loos
5, ISO9000-2000
Advantage of the quartz glass tube:
1. High temperature resistant, 1100 degree.
2. Corrosion-resistant
3. Good thermal stability
4. Good transparency for light
5. Good electrical insulation
We are a manufacturer for all kinds of quartz products. Including quartz tube, quartz rod, quartz plate, quartz crucible, quartz boat, and other quartz products.
After-Sale service:
1) 24 hrs service for customers.
2) quality issue, we accept reworking if quality is not reach your requirements.
3) sample available for free.
4) OEM service acceptable. Welcome your artwork.

Outside diameter (mm)
Thickness (mm)
Thickness tolerance (%)
Outside diameter tolerance (%)
3-50
1-5
+/-5
+/-1
50-100
2-5
+/-5
+/-1
100-200
3-6
+/-5
+/-1
200-460
4-8
+/-5
+/-1
about the tolerance, when the thickness is thin, the tolerance is also smaller. (min:±0.1)
Chemical composition unit: 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

Characteristics


Mechanical Property
Reference Value
Density
2.2g/cm3
Deformation Point
1280°C
Softening Point
1780°C
Annealing Point
1250°C
Specific Heat(20~350°C)
670J/kg.°C
Thermal Conductivity(20°C)
1.4W/m.°C
Refractive Index
1.4585
Coefficient of thermal expansion
5.5x10-7cm/cm.°C
Hot work temperature
1750~2050°C
The temperature for a short time
1300°C
The temperature for a long time
1100°C