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Hera® GG - for C&B
Reduced precious metal dental casting alloy acc. to EN ISO 22674, yellow
Benefits
- Entire crown and bridge indication range
- Superior processing
- Good casting capability
Indications
- Inlays
- MOD inlays
- Crowns
- Bridges
- Milling procedures
- Cast partial denture
- Cast posts
- Implants
Specifications
| Product details | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Composition (content in mass %) |
Au 59.3 Ag 22.9 Pt 0.6 Pd 3.7 Cu 13.0 Zn 0.4 Ir x Ru x |
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| Type | 4(v), 3(w) | |||||||||||||
| Shade | Yellow | |||||||||||||
| Indication |
Inlays, cervical restorations MOD Inlays Crowns Bridges Milling technique Partial dentures Cast posts Implant restorations |
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| Article Code | 13900000 | |||||||||||||
| Technical data melting and casting | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Melting range (1) |
Solidus 870°C Liquidus 920°C |
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| Preheating temperature | 700°C | |||||||||||||
| Casting temperature | 1050°C | |||||||||||||
| Crucible |
Graphite |
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| Density (1) | 14.1 g/cm3 | |||||||||||||
| Hardness, HV5 | 160 (w/k), 265 (v), 265 (s) | |||||||||||||
| 0.2 % proof stress(1), MPa(2) | 340 (w/k), 780 (v) | |||||||||||||
| Elongation(1) % | 38 (w/k), 6 (v) | |||||||||||||
| Elastic modulus(1), GPa(2) | 103 | |||||||||||||
| Ceramic firing | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CTE | --- | |||||||||||||
| Oxide firing | --- | |||||||||||||
| Soft annealing | 750°C / 15 min. | |||||||||||||
| Processing after oxide firing | --- | |||||||||||||
| Cooling after ceramic firing (Relexation cooling is recommended for lang span, bulky frameworks) | --- | |||||||||||||
| Hardening | 400°C / 15 min. | |||||||||||||
| Prior to Ceramic Firing | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solder |
Hera Lot 800 + Maingold / Hera Lot 750 |
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| Solder colour: yellow | ||||||||||||||
| After Ceramic Firing | ||||||||||||||
| Solder | Hera Lot 800 + Maingold / Hera Lot 750 | |||||||||||||
| Flux** | Solder colour: yellow | |||||||||||||
| Alloy also available as Laser weiding wire | ||||||||||||||
| Ø 0.5 mm x 200 mm | + | |||||||||||||
| Ø 0.3 mm x 200 mm | + | |||||||||||||