BegoStar
Alloy with reduced gold content for metal-ceramic restorations, copper-free, with biocertificate.
- Extra-hard alloy with reduced gold content
54,0 - 26,4 - 15,5 - 2,5 - 1,5 - x - x | |
BEGO colour code | 8 |
CTE 20-600 °C | 14,2 |
CTE 25-500 °C | 14,3 |
Casting temperature [°C] | 1420 |
Density [g/cm³] | 13,8 |
Elongation [A5] after casting/firing | 15 |
Elongation [A5] soft | 21 |
Elongation [A5] tempered | 13 |
Indications | 2, 3, 4, 5, 6 |
Medium grit size | 30 |
Melting interval [°C] | 1245 - 1270 |
Modulus of elasticity [GPa] | 116 |
Pre-heating temperature [°C] | 850 |
Proof stress [RP 0,2] after casting/firing | 400 |
Proof stress [RP 0,2] soft | 460 |
Proof stress [RP 0,2] tempered | 530 |
Type of alloy | extrahart |
Vickers Hardness [HV5] after casting / firing | 225 |
Vickers Hardness [HV5] tempered | 230 |
Vickers Hardness[HV5] soft | 205 |
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