Clear Transparent Synthetic Sapphire Crystal , Thin Strip Custom Sapphire Glass
Advancement On sapphire Crystal compare with other glass
1) High temperature resistant, Sapphire Round / Rectangular Optical Window can work under 1200°C continuously, and in short time can even work under 1450°C, its softening temperature is 1650°C, and the melting temperature is 1750-1800°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 times 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
Feature of our Optical synthetic Sapphire crystal
OEM Size and Design, any shape is ok
Widely used for optical window, lens, military, etc; The material is synthetic sapphire(hardness 9H)
High Crystal Purity:> 99.996%;
Crystal orientation: Provide A plane, R plane, C plane, M plane and other random planes for sapphire crystal product.
Directional accuracy: ±0.05°We can always provide high-quality service, we will respond to the customer's requirements in a short time.
In addition to optical sapphire glass, we can also make other materials of the optical window, sapphire wafer.
Specification
| Product Name | Clear Transparent Synthetic Sapphire Crystal |
| property | Sapphire |
| Density | 3.98g/cm³ |
| Hardness | 9(mohs) |
| Melting | 2053℃ |
| Refractive Index | 1.762~1.770 |
| Light Transmission | ≥85℃ |
| Thermal Capacity | 0.10(cal/℃) |
| Thermal Conductivity | 46.04@0℃ 25.12@100℃
12.56@400℃(W/(m.k)) |
| Coefficient of Thermal Expansion | 6.7x10-6/℃ parallel to Caxis
5.0x10-6/℃ perpendicular to C axis |
| Crystal Structure | Hexagonal System
a=4.76A c=12.99A |
| Purity | ＞99.996% |
Regional smelting method—Synthesis principle
The crystalline material is first sintered or pressed into a rod shape, and it is rotated and lowered to the heater, the rod material is melted, and the melting zone is in a floating state, thereby obtaining a purified or recrystallized single crystal.
Features: The crystals produced by the regional smelting method have very high clarity, and it is difficult to see obvious identification features. This method is very costly and is mainly used to produce materials for scientific and technological purposes.
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