|
DENTREX DENTAL ALLOY CHART
Non-Precious Alloys |
|
Alloy Type |
|
|
|
Precious Metal Content % |
Melting Range |
Casting Temp. |
|
Application |
Type |
Color |
Nl |
Cr |
Mo |
Be |
Co |
°F |
°C |
°F |
°C |
|
DTX N.P. |
5,6,11 |
PFM |
WHITE |
76 |
14 |
6 |
1.8 |
- |
2250-2350 |
1232-1288 |
2500 |
1371 |
|
DTX N.P. (Be Free) |
5,6,12 |
|
WHITE |
77-78 |
11,12 |
3 or 4 |
- |
- |
2225-2250 |
1218-1232 |
2500 |
1371 |
|
DTX N.P. (Be & Ni Free) |
5,6,12 |
|
WHITE |
- |
23 |
5.5 |
- |
63 |
- |
1370-1420 |
- |
1470 |
|
RESPONSE |
5,6,12 |
|
WHITE |
72 |
20 |
8 |
- |
- |
2450 |
1343 |
- |
1350 |
| DTX NP SOFT |
5,6,12 |
PFM |
WHITE |
67 |
13 |
13.2 |
1.31 |
<1 |
1150-1259 |
- |
2700 |
- |
|
Alloy Type |
Density |
Proof Stress (PSI) |
Tensile Strength (PSI) |
Elongation % |
Vickers Hardness (DPH) |
LASER WIRE |
PRE |
POST |
|
g/cm3 |
Soft |
Hard |
Soft |
Hard |
Soft |
Hard |
Soft |
Hard |
|
|
|
|
DTX N.P. |
7.8 |
- |
80,000 (CAST) |
165,000 (CAST) |
- |
12-15 (CAST) |
- |
240 (CAST) |
- |
NPNI* |
P,NP |
LO,R |
|
DTX N.P. (Be Free) |
8.0 |
- |
52,000 (CAST) |
90,700 (CAST) |
- |
- |
- |
- |
- |
NPNI* |
P,NP |
LO,R |
|
DTX N.P. (Be & Ni Free) |
9.0 |
- |
120,000 (CAST) |
120,000 |
- |
10 |
- |
200 (CAST) |
320 |
COCR |
NP |
LO,R |
|
RESPONSE |
7.8 |
- |
56,000 |
70,000 |
- |
9 |
9 |
320 |
190 |
NPNI* |
NP |
LO,R |
| DTX NP SOFT |
8.09 |
- |
- |
895 |
- |
3 |
- |
- |
- |
NPNI* |
|
LO,R |
|
Alloy Type |
Recommended
Investment |
Burn-out Temp. & 1 hr hold time +10 min. for each add. ring |
Heat Treatment for
5 min. & bench cool |
Degassing in Air or
Otherwise Specified |
Co-Eff. of Thermal Expansion |
|
|
°F |
°C |
°F |
°C |
|
25-500 °C |
25-600 °C |
|
DTX N.P. |
Phosphate Bonded |
1600 |
871 |
1200-1800 |
649-982 |
(Vacuum) |
14 |
14.4 |
|
DTX N.P. (Be Free) |
Phosphate Bonded |
1600 |
871 |
1200-1800 |
649-982 |
(Vacuum) |
13.7 |
14.3 |
|
DTX N.P. (Be & Ni Free) |
Phosphate Bonded |
1600 |
871 |
1200-1800 |
649-982 |
(Vacuum) |
14.6 |
14.8 |
|
RESPONSE |
Phosphate Bonded |
1600 |
871 |
1200-1800 |
649-982 |
(Vacuum) |
14.1 |
- |
| DTX NP SOFT |
Phosphate Bonded |
1800 |
- |
1200-1800 |
649-982 |
(Vacuum) |
12.83 |
- |
| APPLICATION: |
| 1. Single-surface soft inlays. |
| 2. Two-surface medium hard inlays M.O.D., and 3/4 crowns. |
| 3. Full crowns, 3/4 crowns, M.O.D., bridge abutments and pontics, cat post, inlays, short and long-span bridges. |
| 4. Heavy stress restorations: short and long-span bridges, implant over-structures, and cast partils. |
| 5. Porcelain application: single unites, and short-span bridges. |
| 6. Porcelain application: single-unites, hort, and long-span bridges. |
| 7. Porcelain application: recommended for imlant over-structures. |
| 8. Especially compatible with Vita porcelain. |
| 9. Non-greening porcelains or non-greening liquids are recommended. |
| 10. Recommended for high expansion, low fusing porcelains. |
| 11. Porcelain application: very thin margins and Maryland bridges; designed for North American porcelains, ie. Ceramco II, Crystar. |
| 12. Porcelain application: very thing margins and Maryland bridges; designed for European and Vita-type porcelains. |
| 13. Single anterior units with fuyll porcelain coverage. |
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