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Porta PdF plus

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High-gold casting/veneering 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: 30 - 60
  • HF induction: 5 - 15
  • Propane / oxygen flame: 5 - 15

Oxidation without vacuum, ºC/min: 800 / 10 
Tempering, °C/min: 500 / 15 
Soft annealing, ºC/min: -

Porta PdF plusmagnifying glass

Composition
Au 72.8
Ag 14.0
Pt 9.0
Zn 1.7
In 1.0
Ir < 1.0
Ta < 1.0
Rh < 1.0
Fe  < 1.0 

The recommended solders for this alloy
Solder befor firing: Porta Optimum Lot 880
Solder after firing: Porta Optimum Lot 710
Laser-welding wires: Portadur IN