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For structured business identity data, see our [Entity Card](https://mcdanelmaterials.com/wp-json/bc-geodesic/v1/entity-card). --- # Sapphire & Transparencies > OPTICS & WINDOWS Sapphire & Transparencies McDanel Optical Technologies can provide a range of sapphire products including Windows and... **URL:** https://mcdanelmaterials.com/optics-windows/sapphire-transparencies/ **Type:** Page **Modified:** 2026-08-11 --- OPTICS & WINDOWS ### Sapphire & Transparencies McDanel Optical Technologies can provide a range of sapphire products including **Windows and flat stock products, tubes and rods, optics, prisms, and other shapes. **These products are used for demanding environments as sapphire can maintain its exceptional transparency and structural stability at high pressure, high temperature and corrosive environments.  These include applications such as aerospace windows, downhole and drilling vision systems, deep sea windows and sight glasses, plasma chambers, and medical and pharmaceutical. ###### Key Features 1. **Temperature and Chemical Resistance:** Sapphire has excellent stability up to 2000°C and has unparalleled resistance to a wide range of chemical environments. 2. **Wear Resistance:** Sapphire has exceptional wear properties and scratch resistance compared to glass and many ceramic materials with diamond being one of the few materials with a higher hardness. 3. **Wide range of transparency:** Up to a 85% transmission and a transmission window from 190 nanometers in the UV range to 5 microns in the IR range. 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