Features Specifications: Molybdenum Disc Application: To make the thyristor parts and its electric parts supporting base material. Characteristics: The surface of both sides are smooth and cleaned, the flat roughness is down to ra 1.6 and with the excellent conductions, small linear expansion coefficient and good heat-resistance. Specifications: Diameter ranges from 5 to 100 millimeters, thickness range is from 0.1 to 4.0 millimeters. Square piece 4 - 25 mm2, thickness 0.15 - 1.5 mm.