Note : Cash on Delivery is not available on this productNDN - nickel chrome Bonding alloy for crown and bridge workCharacteristics:Density: 8,4 g/cm3Melting range: 1313-1350 °CCasting temperature: 1500 °CPre heating temperature of the mould: 900-950 °CCoefficient of expansion (20-600°C)CTE: 14,1 µm/..