Al2O3 Crystal Sapphire Cover Glass Double Side Polished Customized Shape

sapphire wafer ,for led substrates , sapphie optical windows, Al2O3 crystal glass lens by double side polished.

Sapphire ​character

1. high temperature resistant, Sapphire Round / Rectangular Optical Window can

work under 1200°C continuously,and in short time can even work under 1450°C,

its softening temperature is 1650°C,and the melting temperature is 1750-1800°C.

2. Corrosion resistant, Except hydrofluoric acid, Quartz Plate Of Optical Grade do

not react with any acid and base except hydrofluoric acid.the stability is

30 tims of the ceramic,and 150 times of stainless steel .

3. Excellent thermal shock stability

4. High transmission to 85%

5. Electric insulation ,it is 10000 times of usual glass

2 General describetion:

Grade: sapphire optical glass no bubble ,color,

Size: Diameter 15x20x1.0mmt(for sample in picture)

surface:double side polished

SD: 40/20

Ra:＜0.5nm

Orientation: C,R,A,M±1°,

Tolerace:±0.02mm

Flatness: 1λ ,1/2 λ,

We also can supply professional customized service in time and provide cooperation and support

of new product development and technology appliance.

Our QC standard

Yes,we can supply sapphire sample according to customer's requirement.

Q4. Do you have any stock of sapphire window?

We process sapphire window according to customer requirement.So we have few

sapphire window in stock.

Q5.Where is your company located?

Our company located in shanghai ,China but our factory is in Wuxi CITY.

Q6. How long will take to get the products?

Generally it will take 1~4 weeks to process.It is depend on the quantity and the size of the sapphire products.