- Product Details
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Quick Details
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Place of Origin:
-
Henan, China
-
Brand Name:
-
STA
-
Model Number:
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STA-SBLB-C003
-
shape:
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circular
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temperature:
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1200deg
-
color:
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opaque quartz
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max.plate:
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1000x2000mm
Quick Details
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Type:
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Opaque Quartz Plate
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Application:
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experiment refractory
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Thickness:
-
0.3-50mm
-
Place of Origin:
-
Henan, China
-
Brand Name:
-
STA
-
Model Number:
-
STA-SBLB-C003
-
shape:
-
circular
-
temperature:
-
1200deg
-
color:
-
opaque quartz
-
max.plate:
-
1000x2000mm
STA quartz glass disc/quartz glass sheet for experiment refractory
1. Material properties
Excellent physical and chemical performance
High Corrosion Resistance
Broad Transmission Spectrum
Working temperature: 1100°C=2012°F
2. Size and shape
Thickness: 0.5-30mm
MAX Size:1000mm×2000mm(square)
If the width is not more than 205mm, the max length we can supply is 3000mm.
Round, Square, Rectangular and Various shapes available.
Apply: optical instrument, sight glass, observation window for furnace, semiconductor, lighting, special light source, optical instrument, photoelectron, military industry, metallurgy, semiconductor, chemistry, optical communication, etc.
Thermal properties
|
Coefficient of Expansion(20°C~350°C) |
5.5*10-7/°C |
|
Thermal Conductivity(W/m°C,20°C) |
1.4 |
|
Specific Heat(J/kg,20°C) |
670 |
|
Softening Point( viscosity) |
1730°C |
|
Annealing Point |
1215°C |
|
Deformation Temperature(long time heat retaining) |
1120°C |
Electrical Properties
|
Electrical Resistivity(350°C,omh-cm) |
7*107 |
|
Insulating Strength(20°C,KV/cm) |
250~400 |
|
Dielectric Constant |
3.7 |
Physical Properties
|
Material |
Silicon Dioxide (Natural Quartz ) |
|
Color |
Transparent or colorless |
|
Surface |
No Air Bubble ,no process |
|
Density |
2.2 g/cm 3 |
|
Degree of Hardness |
5.5-5.6 Moh’s Scale |
|
Softening Point |
1750 C |
|
Strain |
1270 C Fused The Quartz Glass Brick |
|
PPM grade |
Controlled 10/20/100 PPM |
|
Shape |
Circle/Square /Rectangle |
|
Thickness |
0.5 MM-40 MM |
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 |
Spectra transmission at1.0mm thickness
|
mm |
<220 |
255 |
280 |
315 |
350 |
38 |
590 |
780 |
|
% |
89 |
91 |
93 |
93 |
93 |
93 |
93.2 |
93.4 |
