Glass disks are stocked in standard format with diameters of 250, 200, 120, 50 mm and thicknesses up to 30 mm, and most glass types can be supplied on short notice. Standard blocks are generally an alternative (see section 'blocks').
All paperwork, e.g. data sheet, test report, standard terms and conditions, etc, attach to each delivery. The test certificate is made in Ukraine. There is test lab in the factory. All packing and handling are firstclass.