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magnifying glass

Porta Geo Ti

porta_geo_timagnifying glass

Gold platinum ceramic alloy in compliance with DIN EN ISO 9693 +
DIN EN ISO 22674. Type 4, yellow, Palladium-free, copper-free.

Matching solders

Investment material: Phosphate-bonded
Casting crucible: Graphite / ceramic

Post melting time in seconds

  • Resistance heating: 60 - 120
  • HF induction: 5 - 15
  • Propane / oxygen flame: 5 - 15

Oxidation without vacuum, ºC/min: 930 / 5 
Tempering, °C/min: 500 / 15 
Soft annealing, ºC/min: -

Porta Geo Timagnifying glass

Composition
Au 77.4
Pt 18.0
Ag 2.0
Zn 1.8
Ti < 1.0
Rh < 1.0 

The recommended solders for this alloy
Solder befor firing: Porta IP Lot V-2
Solder after firing: Porta OP Lot W-2
Laser-welding wires: Porta Geo Ti