Sapphire watch lenses and cover glass — great scratch resistance and excellent light transmittance.

Sapphire watch lenses and cover glass — great scratch resistance and excellent light transmittance.
48H ENGINEERING REVIEW :: NDA ON REQUEST
Not sure which grade fits? Our engineers recommend material and tolerance stack based on your operating conditions — media, temperature, pressure and cycle life.
:: Used In| Forming | Dry pressing / isostatic pressing / injection molding |
|---|---|
| Machining | CNC grinding, lapping, polishing, honing |
| Tolerance | Down to ±0.005 mm on ground features |
| Surface Finish | Ra 0.02–0.05 μm lapped · Ra 0.4–0.8 μm as-fired |
| Max Size | Up to Ø600 mm / 800 mm length |
| Prototypes | From 1 pc — no MOQ for sampling |
| Lead Time | Samples 2–4 weeks · production by volume |
Formed and sintered at our Huzhou base, precision-ground in Huizhou. CMM dimensional report, material certificate and optional SEM imagery ship with your order.
Send your drawing through the RFQ form for a documented 48-hour review — or WhatsApp us photos and sketches for a same-day first answer.

Colored and polished zirconia decorative parts — vibrant color, luxurious feel and metal-like lustre that never fades.
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Alumina faucet valve discs with superior wear resistance and sealing performance — smooth feel for hundreds of thousands of cycles.
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Free DFM review :: NDA on request :: Test data with every shipment