Product type: Quartz Plate. Application: Rubber, Plastic, Chemical, Construction, Metallurgy, Ceramic, Casting, Glass. Model: OS-0092.
Overview
B270 Optical Glass Panel High Transmittance for Optical Instruments is a precision glass plate / sheet made from Bk7 / Quartz / K9 Glass. Listed geometry: round shape. Coating: UV-pass UV passband filter. Listed for Rubber, Plastic, Chemical, Construction and Metallurgy applications. 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-0092 |
| 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 JGS1 Quartz Glass for UV Optical and Precision Components. How parts like this are machined and finished is covered in Flat Glass Polishing Process for Precision Substrates. For an application example, read Custom Perforated Quartz Plate for Appliance Airflow Sensors. A related standard product is Custom Ultra-Thin Quartz Glass Disc.
