Product Description

Product Name: Sapphire(Al2O3) Glass Single Crystal Substrate Wafer

Product Thickness: 0.05mm, Or contact us for customization.

Product Dimensions: Choose your required size on the above options. Or contact us for customization.

Product parameters:

Product Name

Sapphire glass sheet

Material

99.997 %  Al₂O₃

Coefficient of thermal expansiond(20~300℃)

5.8*10-6 /K

Density ρ

3.98g/cm3

Boiling point

3000℃

Young's modulus E

350GPa25℃

Fusing point

2045℃

Application temperature

2000℃

Specific heat

0.418W.s/g/k

Refractive index

1.768(nd)

Poisson's ratio

0.29

Light transmission characteristic

T≈80%(0.3-5um)

Dielectric constant s r@1GHz

2.23g/cm3

Thermal conductivity

25.12W/M/K(@633nm)

Roughness

< 1 nm RMS

Mohs hardness

9

Process: cutting, precision edging,chamfering, punching, grinding, coating, etc.

Application: Sapphire glass is widely used in a variety of high-end applications, such as watch surfaces, sensor, smartphone lenses, camera lenses, submarine windows and laser components, due to its excellent hardness, transparency and scratch resistance.

Contact Us: 

(1). If there's any problem, please do not hesitate to contact us by ebay message, we will reply you within 1 business day(not include Public holiday).

(2). Work Hours: Monday to Friday(8:30-17:30)

(3). If you don't get response within 1-2 business days, please check your eBay email or My Messages in case your email provider has an overly-aggressive spam filter blocking eBay or my emails. Please add us in your contact and email us again.

Payment Terms

1. There is any VAT tax that happens during import in the buyer's country, it should be paid by the buyer.

2. Payment must be received within 7 business days of auction closing.

3. All our items will be shipped to buyer's payment address. So please check your shipping address before you make the payment.

Shipping Terms

1. Normally, we will arrange the shipment within 5 business days of receipt of payments.

2. A tracking number will be update to the buyer at the time of shipment.

3. The default shipping method is Orange Connex SpeedPAK. Please kindly contact us if you would like express way which will take about 1 weeks in transmit, we will tell you how much extra fee you need to pay.

Feedback

When you receive the item and satisfied with the product, please leave us positive feedback and 5 scores DSR. We will leave 5 Scores DSR feedback for you. 

 

If for any reason you are not satisfied with your purchase, please contact us via Ebay Message and we will do our best to resolve it .

Return & Refund policy:

(1). We fully guarantee our items. All items are in brand new condition unless specified otherwise elsewhere in the description.

(2). All returns -  defective or otherwise - have to be pre-authorized. Please contact us to  get an authorization and returning address before sending the item back.

(3). In all cases,  buyers pay shipping fees at their own cost to return products for  exchange or refund. We will be responsible for the postage of  replacements.

(4). Replacement will be made upon receipt of the returned item.