Industrial Jewels Pvt. Ltd. Offers Wear Resistant Square Windows. Industrial Jewels Pvt. Ltd. Is certified with ISO 9001:2000 quality system standard. These Wear Resistant Square Windows are made from Sapphire and Ruby materials. These are used where chemical inertness, wear resistance, temperature resistance, high transmission bandwidth and high technical strength is required. These windows are made in different shapes like round, square and rectangular. They are also made in different sizes and orientations with different qualities of polish as per the applications. The Wear Resistant Square Windows finds applications in watch glasses, medical and diagnostic equipments, bar code readers, IR application, UV application and optical application.