Factory Promotional Quartz Flow Tube - Sapphire Optical Windows – LZY

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In an effort to finest meet up with client's requirements, all of our operations are strictly performed in line with our motto "High High quality, Competitive Rate, Fast Service" for Sapphire Crystal Glass, Polished Quartz Discs, Cnc High Precision Quartz Glass, Inspired by the rapid developing market of the fast food and beverage consumables all over the world , We are looking forward to working with partners/clients to make success together.

Factory Promotional Quartz Flow Tube - Sapphire Optical Windows – LZY Detail:

Uncoated sapphire has excellent surface hardness, and the range of transmittance extends from ultraviolet to mid-infrared wavelength region. Sapphire can only be scratched by a few substances other than it. The uncoated substrate is chemically inert and insoluble in water, common acids or alkalis at temperatures up to about 1000°C. Our sapphire window is a z-axis section, so the c-axis of the crystal is parallel to the optical axis, eliminating the birefringence effect of transmitted light.

Specification

Dimension Tolerance: 0.0/-0.1mm
Thickness Tolerance: ±0.1mm
Clear Aperture: ≥90%
Surface Quality: 40/20(Dimension≤50.8mm) 60/40(Dimension＞50.8mm)
Flatness: λ/4@633nm
Parallelism: ≤1′
Chamfer: 0.2×45°

Sapphire Protective Windows

Shape Forming Method

CNC or laser

Product Characteristics

Material Properties

Sapphire is a single crystal aluminum oxide (Al₂O₃). It is one of the hardest materials. Sapphire has good transmission characteristics over the visible, and near IR spectrum. It exhibits high mechanical strength, chemical resistance, thermal conductivity and thermal stability. It is often used as window materials in specific field such as space technology where scratch or high temperature resistance is required.

Molecular Formula	Al₂O₃
Density	3.95-4.1 g/cm³
Crystal Structure	Hexagonal Lattice
Crystal Structure	a =4.758Å , c =12.991Å
Number of molecules in unit cell	2
Mohs Hardness	9
Melting point	2050 ℃
Boiling Point	3500 ℃
Thermal Expansion	5.8×10-6 /K
Specific Heat	0.418 W.s/g/k
Thermal Conductivity	25.12 W/m/k (@ 100℃)
Refractive Index	no =1.768 ne =1.760
dn/dt	13×10 -6 /K(@633nm)
Transmittance	T≈80% (0.3～5μm)
Dielectric Constant	11.5(∥c), 9.3(⊥c)

Transmission Curve of Sapphire Optical Window

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We insist on offering high-quality production with great enterprise concept, honest product sales and also the finest and fast service. it will bring you not only the superior quality solution and huge profit, but the most significant should be to occupy the endless market for Factory Promotional Quartz Flow Tube - Sapphire Optical Windows – LZY , The product will supply to all over the world, such as: America, Angola, USA, Our mission is to deliver consistently superior value to our customers and their clients. This commitment permeates everything we do, driving us to continuously develop and improve our products and the processes to fulfill your needs.

With a positive attitude of "regard the market, regard the custom, regard the science", the company works actively to do research and development. Hope we have a future business relationships and achieving mutual success.