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Quick Details
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Brand Name:
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HUAMEI
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Model Number:
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HM
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Size:
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15-500mm, Custom Sizes
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Thickness:
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0.5-19mm, 0.5mm to 19 mm
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Product Name:
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HM Round Borosilicate Glass Disc for Telescope Mirror Blanks
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Shape:
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round and square
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Diameter:
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10mm to 500mm
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Standard:
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ISO9001 and CE
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Operating Temperature:
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<550℃
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Material:
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borosilicate glass
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Usage:
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3D printer
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Certificate:
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ROHS & CE
Quick Details
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Type:
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Tempered Glass
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Application:
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Lighting Glass
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Place of Origin:
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Liaoning, China
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Brand Name:
-
HUAMEI
-
Model Number:
-
HM
-
Size:
-
15-500mm, Custom Sizes
-
Thickness:
-
0.5-19mm, 0.5mm to 19 mm
-
Product Name:
-
HM Round Borosilicate Glass Disc for Telescope Mirror Blanks
-
Shape:
-
round and square
-
Diameter:
-
10mm to 500mm
-
Standard:
-
ISO9001 and CE
-
Operating Temperature:
-
<550℃
-
Material:
-
borosilicate glass
-
Usage:
-
3D printer
-
Certificate:
-
ROHS & CE
HM Round Borosilicate Glass Disc for Telescope Mirror Blanks
Product Description
| Densityρ: | 2.23± 0.02g/cm3 |
| Hardness: | >7 |
| Tensile strength: | 4.8×107Pa(N/M2) |
| Bulk modulus: | 93×103 M pa |
| Modulus of rigidity: | 3.1×1010Pa |
| Young's modulus: | 63KN/mm3 |
| Compressive strength: | 1200kg/ cm2 |
| Poisson's ratio: | 0.18 |
| Thermal expansion coefficient: | (0-300℃) (3.3±0.1)x10-6K-1 |
| Coefficient of thermal conductivity: | 1.2W×(m×k) -1 |
| Specific heat capacity: | (20-100℃) 00.82kJx(kgxk) |
| Light transmittance: | 92% |
| The refractive index: | Nd: 1.47384 |
| The wavelength: | 435.8nm=1.481, 79.9nm=1.4772, 546.1nm=1.4732 |
| Softening point: | 810±10 ℃ |
| The resistivity1gρ | 250℃ 8.0Ω×cm |
| Dielectric coefficientε | 4.7 |
| Dielectric strength | 5 ×107V/M |
| Dielectric loss factor | tanσ(MC20℃)≤38 ×10-4 |
| Resistance to cold and hot shock | 280℃ |
| Continuous working temperature | ≤550℃ |
Production Flow
Application
- Windows /sight glass in high temperature
- Lenses
- Mirror substrates
- Crucibles, trays and boats
- UV transmitting optics (synthetic fused silica)
- IR transmitting optics
- Metrology components
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