Precious alloy, containing 5% of gold for casting teeth coatings and bridgework of all types. It contains 0.1% of Iridium which forms a thin microstructure, facilitates treating and polishing of the surface and improves alloy’s corrosion resistance and resistance to overheating when casting. EN ISO 22674
Properties
Melting range
940-1020°C
Softening
15 min. at 950°C /quench in water
Hardening
15 min. at 600°C / air
Pre-heating temperature
750°C (30-60°C at end temperature, depending on the size and number of rings)
Casting temperature
1200°C (Graphite crucible resp. at open flame with ceramic crucible)
Heating after melting
electric: 20-30s
inductive: 5-10s
flame: 5-10s
Density
10,8 g/cm3
Investment material
Intercast LTS or Intervest K+B Speed or Interfine K+B Speed
Solder
Universal lot 770