C&M casting alloys Protor®3 colour yellow, 25g
High-gold dental casting alloy, extra hard, type 4
Colour: yellow
The alloy is considered to be highly corrosion resistant and showed neither a cytotoxic nor a mutagenic potential nor did it course any allergic sensitization.
Indication
C&B technique, conventional crowns, small bridges, inlays, milling work, telescopic crowns, cast partial denture frames
Inlasy, onlays, corwns ¾ / single crowns / short-span bridgework / long-span bridgework / milled work / clasps, lingual bars, palatinal plates
|
Composition in weight |
% |
|
Au + Pt group metals |
75.35 |
|
Au |
68.60 |
|
Ag |
11.85 |
|
Cu |
10.60 |
|
Pd |
3.95 |
|
Zn |
2.50 |
|
Pt |
2.45 |
|
Ir |
0.05 |
Physical properties
|
Density g/cm³ |
15 |
|
Melting range °C |
880-940 |
|
Young’s Modulus GPa |
95 |
Mechanical properties
|
Soft |
As cast |
Hardened |
|
|
Hardness HV5 |
175 |
280 |
275 |
|
0.2% Proof stress,Rp0.2% MPa |
410 |
700 |
680 |
|
Elongation A5% |
35 |
7 |
12 |
