Borosilicate Windows Borosilicate Windows are ideal for high temperature and harsh environment applications. Unlike common borosilicate that is drawn flat, BOROFLOAT® is produced by a float technique that yields superior surface flatness — typically 4 - 6λ per inch. Diameter Tolerance (mm): +0.0/-0.2 (General), +0.0/-0.02 (High Precision) Thickness Tolerance (mm): ±0.2 (General), ±0.005 (High Precision) Clear Aperture: >80% (Small Size), >95% (Large Size) Parallelism: 3 min. (General), 3 sec. (High Precision) Surface Quality: 60/40 (General), 10/5 (High Precision) Flatness (per 25mm@633nm): λ /2(General), λ/10 (High Precision) Bevel (face width x 450): <0.25mm Coating: Uncoated, AR, HR, PR, Coating, etc. Email: [email protected] Tel:+86-755-2372 7820 Fax：+86-755-2302 3823 www.hobbite.net Address:2F, Guohuitong Business Center, BaoAn District, ShenZhen City, GuangDong Province, PRC. Zip Code