Precious alloy, containing 10,5% of gold for casting teeth coatings and bridgework of all types. It is resistant against corrosion, simple to handle and polish. EN ISO 22674
Properties
Melting range
920-1057°C
Softening
20 min. at 750°C /quench in water
Hardening
20 min. at 380°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: 15-20s
inductive: 5-10s
flame: 15-20s
Density
11,2 g/cm3
Investment material
Intercast LTS or Intervest K+B Speed or Interfine K+B Speed
Solder
Universal lot 770