Argistar Bio 75PF
Multi-Purpose Alloys
| Color | YELLOW |
| Type | 4 |
| ADA Class | HIGH NOBLE (HN) |
|
Application
  
|
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| Processing | |
|---|---|
| Investment | Gypsum or Phosphate Bonded |
| Crucible | Graphite / Ceramic |
| Degassing Temp C | |
| Oxidation Procedure | Vacuum, 3 Min Hold, Do Not Remove Oxide |
| Solder & Laser Wires | |
|---|---|
| PreSolder | 600 |
| PostSolder | 720 |
| Laser Wire | LWS75 |
| Physical Properties | |
|---|---|
| VHN After Firing | 220 |
| VHN Soft | 190 |
| VHN Hard | 235 |
| Proof Stress Soft MPa | 552 |
| Proof Stress Hard MPa | 648 |
| Tensile Strength Soft MPa | 720 |
| Tensile Strength Hard MPa | 760 |
| Elongation Soft | 8 |
| Elongation Hard | 6 |
| Elastic Modulus GPa | 85 |
| Composition | |
|---|---|
| Silver (Ag) | 12.5 |
| Gold (Au) | 75.0 |
| Tantalum (Ta) | 0.4 |
| Zinc (Zn) | 2.0 |
| Iridium (Ir) | 0.1 |
| Platinum (Pt) | 9.0 |
| Rhodium (Rh) | 1.0 |
| Thermal Properties | |
|---|---|
| Melting Range C | 1000-1070 |
| Casting Temp C | 1220 |
| Density g/cc | 16.7 |
| Expansion at 500C | 15.8 |
| Expansion at 600C | 16.1 |
| Burnout Temp C | 800 |