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Zinc Selenide (ZnSe) rough material is a vital compound used primarily in the production of infrared optical components. Known for its broad transmission range and low absorption in the infrared spectrum, ZnSe is essential for manufacturing lenses, windows, and other elements in thermal imaging systems and CO2 laser optics.
| Material | Ge, Si, ZnSe, ZnS, Chalcogenide Glasses | ||||
| Specification | Customized | ||||
| Diameter Range | 12mm～450mm | ||||
| Polishing diameter | 12mm～450mm | ||||
| Diameter Tolerance | 0.05mm | ||||
| Center Thickness Tolerance | 0.02mm | ||||
| Surface Quality | 20/10, 10/5 | ||||
| Surface Accuracy | PV λ/10, λ/20 | ||||
| Surface Roughness | Ra≤0.04μm | ||||
| Local Error | ≤0.5 | ||||
| Decentration | ≤1′ | ||||
| Total High Tolerance | ±0.02 | ||||
| Concave Sag | ±0.02 | ||||
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No.9 Zhongxing East Road, Lishui Economic Development Zone, Nanjing, Jiangsu, China 
