Wuhan Siwer Optics Co.,Ltd
High quality products and professional services.
Add to Cart
The ruby ball is made of artificial Blue / RUBY monocrystal, which has the characteristics of corrosion resistance, wear resistance and good transmittance.
Ruby ball can be used as the insulation measuring head of measuring instrument and precision measuring instrument.
| Material | Ruby(α-Al2O3) |
| Diameter Tolerance | +/-0.001mm |
| Focal Length Tolerance | ±2% |
| Surface Quality | 60-40 Scratch-Dig |
| Material purity | >99.99% |
| Surface roughness | Rz0.1 |
Production process
What's the way of shipping?
We accept DHL, Fedex, TNT, UPS, SF, EMS etc. If you have your own express account, it's great.
How to pay?
(1) T/T, PayPal, West Union,etc
(2) Bank Fee: West Union-USD30.00(≤USD3000.00),
T/T-USD20.00+, PayPal-5%. Please consult the local bank.
What's the deliver time?
For inventory: the delivery time is around 5 workdays.
Customized products: the delivery time is 10 to 30 workdays. According to the quantity and precision.
Can I customize the products based on my need?
Yes, we can customize the material, specifications and optical coating for your optical components based on your needs. OEM is available.