Argedent Bio 78PF
High Gold Alloys for Ceramics
| Color | YELLOW |
| Type | 4 |
| ADA Class | HIGH NOBLE (HN) |
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Application
  
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| Processing | |
|---|---|
| Investment | Phosphate Bonded |
| Crucible | Graphite / Ceramic |
| Degassing Temp C | 650-1010 |
| Oxidation Procedure | Hold 10 Min, Remove Oxide, No Vacuum |
| Solder & Laser Wires | |
|---|---|
| PreSolder | YPF |
| PostSolder | 750Y, 830Y, 800 PF / 650, 720 |
| Laser Wire | LWT84 |
| Physical Properties | |
|---|---|
| VHN After Firing | 230 |
| VHN Soft | |
| VHN Hard | 255 |
| Proof Stress Soft MPa | 643 |
| Proof Stress Hard MPa | 761 |
| Tensile Strength Soft MPa | 746 |
| Tensile Strength Hard MPa | 827 |
| Elongation Soft | 9 |
| Elongation Hard | 6 |
| Elastic Modulus GPa | 102 |
| Composition | |
|---|---|
| Platinum (Pt) | 19.5 |
| Tantalum (Ta) | 0.7 |
| Zinc (Zn) | 2.0 |
| Iridium (Ir) | 0.1 |
| Gold (Au) | 77.7 |
| Thermal Properties | |
|---|---|
| Melting Range C | 1080-1180 |
| Casting Temp C | 1330 |
| Density g/cc | 19.1 |
| Expansion at 500C | 14 |
| Expansion at 600C | 14.2 |
| Burnout Temp C | 800 |