High Purity 99.999% C-axis to sapphire single crystal cup for laboratory
Why choose Sapphire?
One of the hardest materials available
Superior IR & UV transmission compared to other optical materials
Highly scratch & abradant resistant
Highly chemical resistant
Maximum temperature rating of almost 2000℃
Excellent dielectric & loss tangent performance
Chemical formula | Al₂O₃ |
Purity | 99.999% |
Crystal structure | Hexagonal |
Density | 3.98g/cm³ |
Hardness Mohs | 9 |
Fusion point | 2045℃ |
Boiling point | 2980℃ |
Coefficient of Thermal Expansion | 5.8x10 -6/K |
Specific heat | 0.418W.s/g/k |
Thermal conduction | 25.12W/m/k(@100°C) |
Refractive index | no=1.768 ne=1.760 |
dn/dt | 13×10-6/K(@633nm) |
Transmission | T≈80%(0.3-5μm) |
Permittivity | 11.5(//c), 9.3(⊥c) |
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FAQ
Q:What is your minimum order requirement?
A:MOQ: 10 pieces
Q:How long will it take to execute my order ?
A:10-25 days after confirming the payment.
Q:Can you give warranty of your products ?
A:We promise the quality, if the quality has any problems, we will produce new produces or return you money.
Q: Do you provide free samples?
A: We can provide free samples if we have stock optics as your request,but the freight is yours.
Q: What is your terms of payment ?
A:T/T, Western Union ,Paypal