Orplid PF

Type 4
deep yellow / Au 78.0
palladium-free

Composition:Au 78.0 / Cu 4.0 / Ag 11.0 / Zn 2.0 / Pt 4.9 / Ir 0.1
Standard:DIN EN ISO 22674
Colour:deep yellow
Melting range °C:970–920
Soft annealing:15 mins at 750 °C / quench in water
Hardening:15 mins at 500 °C / air
Preheating temperature°C:700
Casting temperature °C:1100
Further heating after melting(secs):electr.: 15–20
inductive: 5–8
flame: 5–8
Density g/cm3:16.6
Solders:Orplid solders 825, 790, 760
Vickers hardness (HV 5/30):w: 140
a: 200
g/b: 195
0.2% proof stress (MPa):w: 285
a: 400
g/b: 360
Elongation at break (%):w: 24
a: 19
g/b: 25
Spruing:Following the rules for dental applications (see General Instructions for Use
Investment:Phosphate-bonded investment materials (Cehacast P or Cehacast Speed)
Preheating:700°C, 30 to 120 mins until end temperature, depending on size of mould
Finishing:1100 °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
Cleaning:Ultrasonic cleaning or steam jet cleaning
Soldering:Orplid solders 825, 790, 760
Our website only uses technical cookies that ensure the functionality of the website. More information.
OK