Description:Nickel-free Casting and bonding alloy type 4 for PFM crown and bridgeworkCharacteristics:Density: 8,6 g/cm3Melting range: 1300-1395 °CCasting temperature: 1500 °CPre heating temperature of the mould: 900-950 °CCoefficient of expansion (20-600°C)CTE: 14,7 µm/mK (20-500°C) CTE: 14,4 ..