Al2O3 CZ Synthetic Sapphire Boule 2040°C Melting Point for Watch Glass and Cases
Price:
1300USD-3700USD
MOQ:
0.5kg
Delivery Time:
According to quantity
Product Description
Al2O3 CZ Synthetic Sapphire Boule for Watch Glass
High-quality synthetic pink sapphire boule specifically engineered for watch glass and case applications, offering exceptional durability and optical clarity.
Technical Specifications
| Property | Value |
|---|---|
| Chemical Formula | Al2O3 |
| Crystal System | Hexagonal |
| Melting Temperature | 2040°C |
| Density | 3.98-4.1 g/cm³ |
| Hardness | 9 Moh's Scale (Hv≥1700 kg/mm²) |
| Thermal Expansion | Parallel to C-axis: 6.7×10⁻⁶ Perpendicular to C-axis: 5.0×10⁻⁶ |
| Refractive Index | 1.769 (both axes) |
| IR Transmission | 85% |
| Electrical Resistance | >10¹⁶ Ω/cm at 25°C |
Key Material Properties
Chemical Stability
Resistant to acids and alkalis at normal temperatures, only corroded by HF at 300°C
Mechanical Strength
Compressive strength: 2.1 GPa, Tensile strength: 0.19 GPa
Optical Performance
Transmission range: 0.14-6.0 μm covering UV to mid-IR bands
Thermal Properties
High thermal conductivity and excellent thermal shock resistance
Manufacturing Advantages
- Direct source manufacturer with CZ and KY crystal growth methods
- Professional sapphire processing and precision polishing capabilities
- Custom production according to client specifications and drawings
- Experienced technical team with skilled manufacturing workforce
- Comprehensive quality control throughout production process
Customization & Support
We specialize in OEM production with CAD/3D drawing requirements. Samples available with charge refunded on orders over 100 pieces. Standard delivery time: 5-8 weeks for 200pcs watch cases.
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
ARH Sapphire Co., Ltd
Location
Room 2-11，No.50 Yunhan Road，Chongqing China
Contact Person
Florence Chen