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Porta SMK 82

porta smk_82magnifying glass

Gold palladium ceramic alloy in compliance with DIN EN ISO 9693 +
DIN EN ISO 22674. Type 4, white, copper-free.

Matching solders

Investment material: Phosphate-bonded, Carbon-free
Casting cruciblel: 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: 600 / 15 
Soft annealing, ºC/min: -

Porta SMK 82magnifying glass

Composition
Au 57.5
Pd 31.4
In 8.0
Pt 1.5
Ga 1.5
Ru < 1.0

The recommended solders for this alloy
Solder befor firing: Porta Lot 1090 W
Solder after firing: Porta OP Lot W-2
Laser-welding wires: Porta P6