Heat Conduction Synthetic Sapphire Glass Customized Thickness IR Transmitting

Basic Information
Place of Origin: Guangdong, China (Mainland)
Brand Name: Tianzhili
Minimum Order Quantity: 1000 pcs
Price: according to customers' technical drawing or requirement
Packaging Details: Conventional packaging plastic packaging box foam cotton carton
Detail Information
Material: Sapphire Shape: Available Upon Request
Surface Quality: 60/40;40/20 Thickness: As Request
Color: Transperant,colorless Usage: Wrist Watch And Smartwatch Glass
High Light:

sapphire optical window


sapphire coated glass

Product Description

High Quality Guangzhou Single Dome Sapphire Crystal Watch Glass


Window Materials for High-class watches

Features of Keeppromise’s Sapphire:

Sapphire is scaled at Mohs hardness 9 ,the hardest next to diamond .

It has the excellent endurance and eternal btilliance and transparency .

This is why it has become intimate as the window materials of wristwatches with so many custoners all over the world .



Hardness is second only to diamonds

Much stronger than other optical materials (65,000 modulus of rupture)

Extremely hard surface
High scratch resistance and wear.

Very wide optical transmission band from UV to Mid IR

Extremely high melting point

High electrical resistance

Chemical properties of stability

High thermal conductivity for a non-conductor, even better than copper at cryogenic temperatures

High dielectric constant



Synthetic Sapphire Window Technique Index :


Thickness 0.5-50mm
Size tolerance +0.0/-0.25
Edge Finish Ground and beveled
Surface Quality 40-20 scratch-dig
Parallelism 3 arc min (0.9 mrad)
Clear Aperture >80% of central diameter
Hardness (Knoop) 1370 kg mm-2
Young's modulus 3.4 x 1011 N m-2
Thermal Limit 22 W m-1 K-1
Thermal expansion coefficient 8.4 x 10-6 K-1

Contact Details

Phone Number : +8617722965647

WhatsApp : +8618606222729