Laser Cutting Triangle Single Dome Crystal Sapphire Watch Lens Glass 0.5-200mm Thickness 1370 kg/mm² Hardness
This precision-engineered sapphire watch lens glass features a triangular single dome crystal design, manufactured using advanced laser cutting technology for exceptional accuracy and durability.
Sapphire glass (synthetic sapphire crystal) offers superior scratch resistance with a Knoop hardness of 1370 kg/mm², making it ideal for premium watch applications. The material maintains excellent optical clarity while providing exceptional durability against daily wear.
| Property | Specifications |
|---|---|
| Thickness Range | 0.5-200mm |
| Size Tolerance | ±0.01 |
| Surface Flatness | λ/4@633nm |
| Parallelism | ≤3 arc min (≤0.9mrad) |
| Clear Aperture | >80% of central diameter |
| Hardness (Knoop) | 1370 kg/mm² |
| Young's Modulus | 3.4×10¹¹ N/m² |
| Thermal Conductivity | 22 W/m/K |
| Thermal Expansion | 8.4×10⁻⁶/K |
- Direct source manufacturer of color sapphire boule with proprietary CZ and KY growth methods
- Specialized expertise in custom watch case manufacturing and precision processing
- Advanced anti-glare treatment using vacuum evaporation process for 99% reflection reduction
- Professional custom production capabilities with CAD and 3D drawing support
- Experienced technical team ensuring precision polishing and quality control
We operate as both a professional sapphire products factory and a trading company, ensuring direct manufacturing control and competitive pricing.
Yes, we specialize in custom production and OEM work. CAD files or 3D drawings are required for custom orders.
We provide samples with a charge that is refunded when orders exceed 100 pieces.
Delivery time varies by product type and quantity. For watch cases, standard delivery is 5-8 weeks for 200 pieces, depending on processing complexity.
We prefer T/T (Telegraphic Transfer) payments for international transactions.
Most shipments are handled via air courier services including DHL and FedEx for timely delivery.
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.