Crystal Al2O3 85% Visible Wear Resistance Sapphire Tube
Materials | 99.999% Al2O3 | Application | Semicondutor Wafer, Led Chip, Optical Glass Window, Electronic Ceramics,bearing |
---|---|---|---|
Advantagement | High Hardness9.0,wear Resistance, | VisVisible Light TransmittanceVisible Light Transmittance | 85% |
Color | Red And White | Type | Single Crystal |
High Light | Wear Resistance Sapphire Tube,85% Visible Sapphire Tube,Al2O3 Sapphire Tube |
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Sapphire characteristics
Materials characteristics |
Item | B270 | CaF2 | Ge | MgF2 | N-BK7 | Sapphire | Si | UV Fused Sillca | ZnSe | ZnS |
Refractive index(nd) | 1.523 | 1.434 | 1.003 | 1.413 | 1.517 | 1.768 | 3.422 | 1.458 | 2.403 | 2.631 |
Coeffcient of dispersion(Vd) | 58.5 | 95.1 | N/A | 106.2 | 64.2 | 72.2 | N/A | 67.7 | N/A | N/A |
Density(g/cm3) | 2.55 | 3.18 | 5.33 | 3.18 | 2.46 | 3.97 | 2.33 | 2.20 | 5.27 | 5.27 |
TCE(μm/m℃) | 8.2 | 18.85 | 6.1 | 13.7 | 7.1 | 5.3 | 2.55 | 0.55 | 7.1 | 7.6 |
Soften Temperature(℃) | 533 | 800 | 936 | 1255 | 557 | 2000 | 1500 | 1000 | 250 | 1525 |
Knoop hardness(kg/mm2) | 542 | 158.3 | 780 | 415 | 610 | 2200 | 1150 | 500 | 120 | 120 |
About Our Company ZMKJ Sapphire Process
3.0 Sapphire Tube sample in detail
4.We can supply professional customized service in time and provide cooperation and support of new product development and technology appliance by other semiconducting material products.

(1) We accept DHL, Fedex, TNT, UPS, EMS, SF and etc by FOB delivery.
If you have your own express number, it's great.
50% deposit ,50% before delivery byT/T, Paypal, West Union, MoneyGram,
Q: What's the delivery time?
(1) For the standard products such as ball lens, substrates,windows,
For inventory: the delivery is 5 workdays after order.
For customized products: the delivery is 2 or 3 workweeks after order.
Q: What's the MOQ?
(1) For inventory, the MOQ is 5pcs.
(2) For customized products, the MOQ is 10pcs-30pcs.