Pangold Keramik N2

Type 4
white / Au 15.0 
copper-free

Composition: Pd 52.3 / Ag 20.0 / Au 15.0 / In 6.0 / Sn 5.5 /
Ga 1.0 / Pt 0.1 / Re 0.1
Standard: DIN EN ISO 22674 and DIN EN ISO 9693
Colour: white
Melting range °C: 1265–1145
Soft annealing: 15 mins at 950 °C / quench in water
Hardening: 15 mins at 600 °C / air
Preheating temperature °C: 850
Casting temperature °C: 1420
Further heating after melting (secs): electr.: 120–180
inductive: 10–15
flame: 10–15
Density g/cm3: 12.1
CTE 25°C–500°C (µm/mK): 14.1
CTE 25°C–600°C (µm/mK): 14.2
Soldering before firing: Cehadentor Ceramic solder 1110
Soldering after firing: Orplid solders 760, 735
Vickers hardness (HV 5/30): w: 265
a: 325
g/b: 290/265
0.2% proof stress (MPa): w: 545
a: 685
g/b: 600/620
Elongation at break (%): w: 9
a: 4
g/b: 12/6
Spruing: Following the rules for dental applications (see General Instructions for Use)
Investment: Phosphate-bonded investment materials (Cehacast P or Cehacast Speed)
Preheating: 850 °C,30 to 120 mins until end temperature, depending on size of mould
Casting: 1420°C – increase by 20°C–30°C for resistance-heated casting units. Use ceramic crucible.
Finishing: With carbide burs and/or ceramic-bonded stones. Always grind in one direction only! Sandblasting at a flat angle, using 50–125 µm aluminium oxide. Pressure should not exceed 2 bar
Cleaning: Steam jet cleaning or boiling in distilled water
Oxide firing: 5 mins at 900°C without vacuum
Soldering before firing: Cehadentor Ceramic solder 1110
Soldering after firing: Orplid solders 760, 735
Firing: Normally expanding ceramic materials (e.g. CeHa WHITE® CLASSIC) Normal cooling