- Product Details
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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:
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HUAMEI
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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
Overview:
1.HM Round Borosilicate Glass Disc for Telescope Mirror Blanks can work under 400-600℃ continuously,and in short time can even work under 650°C,
2.Corrosion resistant, Except hydrofluoric acid, Quartz Plate Of Optical Grade do not react with any acid and base except hydrofluoric acid.the stability is 30 tims of the ceramic,and 150 times of stainless steel.
3.Excellent thermal shock stability.
4. High transmission to 85%
5. Electric insulation ,it is 10000 times of usual glass
Properties
| 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℃ |
Detail Photo:
T his HM Clear Crystal Quartz Fused Tempered Flat Glass Discs is mainly used in :
- Windows /sight glass in high temperature
- Lenses
- Mirror substrates
- Crucibles, trays and boats
- UV transmitting optics (synthetic fused silica)
- IR transmitting optics
- Metrology components
Packing for HM Clear Crystal Quartz Fused Tempered Flat Glass Discs
1.Plastic air cushion film
2.Foam material
3.Paper carton
4.Wooden case
Shipping for HM Clear Crystal Quartz Fused Tempered Flat Glass Discs
1. By train, ship or air
2. By express, like DHL, EMS, SF, UPS, FEDEX or as per your request.
3. The product will be shipped within 3-5 working days after 100% payment received.
