Product type: Quartz Plate. Application: Rubber, Plastic, Chemical, Construction, Metallurgy, Ceramic, Casting, Glass. Model: OS-0093.
Overview
Round Transparent Borosilicate Glass Polished High Temperature Borosilicate Glass Sheet High Precision B270 Optical Glass is a precision glass plate / sheet made from Bk7 / Quartz / K9 Glass. Listed geometry: round shape. Coating: UV-pass UV passband filter. Typical applications: Rubber, Plastic, Chemical, Construction and Metallurgy. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.
Specifications
| Substrate | Bk7 / Quartz / K9 Glass |
|---|---|
| Type | Quartz Plate |
| Shape | Round |
| Clear Aperture | 90% |
| Application | Rubber, Plastic, Chemical, Construction, Metallurgy, Ceramic, Casting, Glass |
| Model NO. | OS-0093 |
| Use | Optics Camera Lens |
| Coating type | UV-pass UV passband filter |
| BK7 Optical Glass | Universal substrate with ≥92% transmittance (400-700nm), good chemical stability and processability. Ideal for camera lenses, optical windows. Operating temp: -20℃ to 200℃. |
| Fused Silica Glass | Excellent transmittance (200-2500nm, ≥90%), ultra-low thermal expansion and high-temperature resistance (≤1000℃). Suitable for laser processing heads and UV detection equipment. |
| Sapphire Optical Glass | Mohs hardness 9, high wear/impact resistance, wide transmittance (200-5000nm) and excellent chemical stability. Perfect for industrial endoscopes, aerospace optical windows. |
| Optoelectronic Imaging | BK7 & low-dispersion glass for DSLRs, industrial vision lenses and medical imaging equipment, ensuring clarity and color reproduction. |
| Laser Technology | Fused silica glass for laser cutting/welding heads and resonant cavity blanks, ensuring laser transmission stability. |
| Semiconductor Manufacturing | High-purity optical glass for lithography and wafer inspection equipment, meeting strict impurity requirements (metal ions ≤1ppm). |
| Aerospace & Security | Sapphire and high-temperature glass for UAV cameras, satellite optical payloads and security lenses, withstanding harsh environments. |
| Supplier | C-Laser (Taicang) Material Technology Co., Ltd. |
Technical data
| Optical film appearance quality | The coating surface features a 60/40 composition (compliant with U.S. military standard MIL-PRF-13830B) |
|---|---|
| Wrinkles, scratches, and blemishes are acceptable under the contract | |
| Optical film transmittance% | 330-370 nm:Average transmittance(Tavg)≥ 80% |
| 390 nm ±10 nm:Transmittance≈ 50% | |
| 410-1200 nm:Average transmittance(Tavg) < 0.1% | |
| Optical film fastness | Bonding test, without wrinkle and peeling off |
| Boiling resistance to water | No peeling, peeling, warping, discoloration and other defects |
| Optical performance of optical film meets the requirements | |
| High temperature resistance 350℃×30minute | No peeling, peeling, warping, discoloration and other defects |
| Optical performance of optical film meets the requirements | |
| Other requirements | Coating type:UV-pass UV passband filter |
| Cut off range 420-1200 nm Need to be suppressed OD ≥ 3 |
What to specify when you request a quote
- Material — listed as “Bk7 / Quartz / K9 Glass”; name the glass or quartz grade.
- Outline and thickness — give outline, thickness and tolerances.
- Holes, slots and features — listed as “Round”; dimension every hole and its position tolerance on the drawing.
- Edges — state edge finish and chamfer.
- Surface — state polish and flatness where they matter.
Engineering guides for this part
For material grades and coating options, see Custom Borosilicate Glass Sheets Cut to Size: Precision and Performance. How parts like this are machined and finished is covered in Glass Wafer Cutting, Dicing, and Coring: Precision Manufacturing Process. For an application example, read Why Quartz Glass Components Excel in Coffee Heating Modules. Before sending a drawing, check Quartz Glass Manufacturing: Controlling Thermal Conductivity in Fused Silica. A related standard product is Custom Ultra-Thin Quartz Glass Disc.
