Heat Resistant Mill Board Disks are made from materials containing a higher percentage of asbestos and a small quantity of organic binder, to withstand the application temperature exceeding 1000C. These Heat Resistant Mill Board Disks come with the inner diameter of 100 mm and the outer diameter of 350 mm and thickness of 8 mm. These Heat Resistant Mill Board Disks possess adequate physical strength to withstand the machining operations to achieve a mirror finish. These Heat Resistant Mill Board Disks is recommended for making up a solid block of supporting internal and external rollers in steel & glass plants.