huge polished Rectangle shape Sapphire Window corrosion resistance sapphire glass,

Al2O3 single crystal glass sapphire optical glass for protect window

 sapphire optical windows

 1. 2 Sapphire Introduce on advantagement

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 is30 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.  our ablity  for sapphire 

Grade: sapphire optical no bubble ,chippng ,scrap,

Orientation:C or A, M, R±1°, 

Size:~  max 600x400mm x 20mmThickness  by customized 

Surface:Double side polished   SD:20/10,  

Tolerance:  >0.01mm

Flatness :>1/4 lambda

Ra:＜0.3nm

3. About process for sapphire lens

Sapphire Crystals body-->sapphire block/ingots in custiomzed axis---> (anneal->)check--> wire saw cut

--> repair shape-->rough lapped-->polished--> wash ＆ finished check

sapphire window detail:

4. FAQ:

Q1: Can I have samples to test?

A: Yes,we are pleased to supply samples to test and check quality,mixed sample order is available.

Q2: Do you have any MOQ limited? A: Our MOQ: 5pcs Q3: What’s the lead time?

A: Sample :2-3 days.Mass production: 10-30 days.

Q4:How do you ship the goods and how long does it take?

A: We usually ship goods by UPS,FEDEX,TNT by FOB. It usually takes 3-5 days to arrive.

Q5: Do you offer guarantee for your products?

A: After test them if not pass test,you can return the goods at any time, we will re-offer

    you again and also bear shipping fee.

Q6: Do you accept OEM?

A: We have our own brand-metalaser. OEM is also acceptable