Harmony KF is a clinically proven high gold crown and bridge alloy demonstrating outstanding properties. It is free of copper.
Au 75.1
Pt 3.2
Pd 6.8
Ag 10.2
Sn < 1.0
Zn 2.0
In 2.2
Ir < 1.0
Type 4
Colour yellow
Density (g/cm³) 16.1
Melting range (°C) 970 - 1080
Casting Temperature (°C) 1135 - 1200
Modulus of Elasticity (MPa) 84.000
Elongation (%) 5.0
Vickers hardness 225
0.2% proof stress (MPa) 530