Pangold Keramik N

Type 4
white / Au 0.1 
copper-free

 

Composition: Pd 54.7 / Ag 35.0 / Sn 6.0 / In 3.0 / Ga 1.0 /
Ru 0.2 / Au 0.1
Standard: DIN EN ISO 22674 and DIN EN ISO 9693
Colour: white
Melting range °C: 1260–1145
Soft annealing: 15 mins at 950 °C / quench in water
Hardening: 15 mins at 600 °C / air
Preheating temperature °C: 850
Casting temperature °C: 1410
Further heating after melting (secs): electr.: 120–180
inductive: 10–15
flame: 10–15
Density g/cm3: 11.1
CTE 25°C–500°C (µm/mK): 14.9
CTE 25°C–600°C (µm/mK): 15.1
Soldering before firing: Cehadentor Ceramic solder 1110
Soldering after firing: Orplid solders 760, 735
Vickers hardness (HV 5/30): w: 160
a: 245
g/b: 190/190
0.2% proof stress (MPa): w: 450
a: 590
g/b: 650/560
Elongation at break (%): w: 9
a: 4
g/b: 21/25
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: 1410 °C, possibly increase by 20°C–30°C for resistance-heated vacuum pressure casting. Graphite crucible or open flame with 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: For normally expanding ceramic materials (e.g. CeHa WHITE® Classic)