Application: Building, Furniture, Home Appliance, Electronics & Instruments. Model: Sapphire glass.
Overview
Custom Optical Rectangular and Round Sapphire Crystal Glass: a custom precision glass component. Listed geometry: size Customized According to Customer Drawings, thickness 0.5mm/1mm/2mm/3mm or Customized, flat shape. Optical / electrical data: transmittance >90%. Flatness High Class. It is used in Protective Windows or Viewports. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.
Specifications
| Shape | Flat |
|---|---|
| Transmittance | >90% |
| Flatness | High Class |
| Application | Protective Windows or Viewports |
| Usage | Building, Furniture, Home Appliance, Electronics & Instruments |
| Model NO. | Sapphire glass |
| Appearance | Flat Tempered |
| Standard | GB/T 9963-1998 |
| Steel Degree | Tempered Glass |
| Thickness of Flat Tempered Glass | 0.5-19mm |
| Thickness of Curve Tempered Glass | Customized |
| Fragment State | Ⅱ |
| Technics | Chemical Tempered |
| Glass Silk Screen Color | Black, Gray, White, Other Colors. |
| Glass Raw Materials | Sapphire Glass |
| Glass Thickness | 0.5mm/1mm/2mm/3mm or Customized |
| Glass Shapes | Square, Round, Irregular Graphics, (Customized) |
| Glass Size | Customized According to Customer Drawings |
| Edge Processing | Straight, Round, Beveled |
| Surface Treatment | Ar/Af Coating |
| Minimum Order Quantity | 20 PCS |
| Drilling | Acceptable |
| Shipping Way | Commercial Express, Sea Shipping |
| Hardness | >7h |
| Sapphire window feature | *Extreme Surface Hardness Chemical Resistance |
| Packaging | Each glass use double sided protective film and then packed by craft paper then into a wooden crate. |
| Supplier | DONGGUAN SAIDA GLASS CO.,LTD |
Technical data
| Transmission Range | 0.17 to 5.5 μm |
|---|---|
| Refractive Index | No 1.75449; Ne 1.74663 at 1.06 μm (1) |
| Reflection Loss | 14% at 1.06 μm |
| Absorption Coefficient | 0.3 x 10-3 cm-1 at 2.4 μm (2) |
| Reststrahlen Peak | 13.5 μm |
| dn/dT | 13.1 x 10-6 at 0.546 μm (3) |
| dn/dμ = 0 | 1.5 μm |
| Density | 3.97 g/cc |
| Melting Point | 2040°C |
| Thermal Conductivity | 27.21 W m-1 K-1 at 300K |
| Thermal Expansion | 5.6 (para) & 5.0 (perp) x 10-6/K * |
| Hardness | Knoop 2000 with 2000g indenter |
| Specific Heat Capacity | 763 J Kg-1 K-1 at 293K (4) |
| Dielectric Constant | 11.5 (para) 9.4 (perp) at 1MHz |
| Youngs Modulus (E) | 335 GPa |
| Shear Modulus (G) | 148.1 GPa |
| Bulk Modulus (K) | 240 GPa |
| Elastic Coefficients | C11=496 C12=164 C13=115 C33=498 C44=148 |
| Apparent Elastic Limit | 77.86300 MPa (45,000 psi) |
| Poisson Ratio | 0.25 |
| Solubility | 98 x 10-6 g/100g water |
| Molecular Weight | 101.96 |
| Class/Structure | Trigonal (hex), R3c |
What to specify when you request a quote
- Material — listed as “Sapphire Glass”; name the glass or quartz grade.
- Outline and thickness — listed as “0.5-19mm”; give outline, thickness and tolerances.
- Holes, slots and features — listed as “Flat”; dimension every hole and its position tolerance on the drawing.
- Edges — listed as “Straight, Round, Beveled”; state edge finish and chamfer.
- Surface — listed as “High Class”; state polish and flatness where they matter.
Engineering guides for this part
For material grades and coating options, see Custom Precision Glass: Materials & Coatings for Special Shapes. How parts like this are machined and finished is covered in CNC Glass V-Groove Machining for LED and Optical Parts. For an application example, read Quartz Glass Windows for High-Temperature Appliance Modules. Before sending a drawing, check Precision Glass Machining Tolerances & Specifications: A B2B Guide. A related standard product is Custom Special-Shaped Glass Plate.
