Porcelain alloys are used to fabricate copings and other substructures for crowns and bridges. These metals are cast to create a strong and properly fitting base to support an esthetic porcelain fused to metal (PFM) crown or bridge. A wide range of high noble, noble and base metal compositions can be used for fabricating PFM substructures, so there are numerous alloys that can be used. When considering a porcelain alloy it is important to consider how well the alloy bonds with your prefered ceramic system. Other key attributes of these materials are their specific working properties for casting, along with color and esthetic qualities.
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| Company | Argen | Argen | Argen | Argen | Argen |
| Item | ARGELITE 71 Porcelain Alloy | ARGELITE 55 Porcelain Alloy | ARGELITE 61 Porcelain Alloy | ARGISTAR YELLOW LF Porcelain Alloy | NOBLECROWN NF Porcelain Alloy |
| Price | Inquire | Inquire | Inquire | Inquire | Inquire |
| Description | Argelite 71 gives a high strength alloy that can be used to both processing and layering porcelains. The low silver content and light oxide give | ARGELITE 55 is micro-fine grain alloy, compatible with most dental porcelains. Their micro fine grain structures and superior physical properties | ARGELITE 61 is micro-fine grain alloys, compatible with most dental porcelains. Their micro fine grain structures and superior physical properties | ARGISTAR YELLOW LF is a multipurpose alloy for full cast and is compatible with high coefficient high fusing porcelains. Polishes to high luster. | NobleCrown NF is an economical, white color, Noble porcelain alloy formulated to be compatible with all major porcelains. Superior physical properties |
| Composition | Palladium: 70.9 %
Silver: 10 %
Indium: 8 %
Tin: 5.3 %
Zinc: 5 %
Ruthenium: Less Than 1 %
Gallium: Less Than 1 % | Palladium: 55 %
Silver: 34 %
Indium: 6 %
Tin: 3 %
Zinc: 1 %
Ruthenium: Less Than 1 %
Gallium: Less Than 1 % | Palladium: 60.55 %
Silver: 28.1 %
Indium: 6.6 %
Tin: 2.5 %
Gallium: 2.1 %
Ruthenium: Less Than 1 % | Palladium: 40 %
Indium: 32 %
Silver: 24.85 %
Gold: 2 %
Zinc: 1 %
Iridium: Less Than 1 % | Cobalt: 42.75 %
Palladium: 25 %
Chromium: 20 %
Molybdenum: 12 %
Boron: Less Than 1 % |
| Hardness | After Firing: 300 HV | Soft: 170 HV
Hard: 330 HV | Soft: 180 HV
Hard: 310 HV | After Firing: 180 HV | After Firing: 335 HV |
| Tensile Strength | Soft: 830 N/mm2
Hard: --- | Soft: 641 N/mm2
Hard: 966 N/mm2 | Soft: 676 N/mm2
Hard: 997 N/mm2 | Not Available | Soft:690 N/mm2
Hard: --- |
| Indications for Use | Not Available | Single Crown
Multi-Units & Bridges | Single Crown
Multi-Units & Bridges | Single Units Bridges
Three Unit Bridges | Single Crown
Multi-Units & Bridges |
| Color | White | White | White | Yellow | White |
| Compatible Porcelains | Not Available | Not Available | Most Dental Porcelains | High Coefficient High Fusing Porcelains | All Major Porcelains |
| Melting Interval | 1,185º C - 1,285º C | 1,171º C - 1,265º C | 1,130º C - 1,275º C | 915º C - 1,180º C | 1,250º C - 1,290º C |
| Casting Temperature | 1,340º C | 1,370º C | 1370º C | 1,330º C | 1,400º C |
| Expansion | 14.2 µm/mm-° C At 500º C | 14.8 µm/mm-° C At 500º C | 14.5 µm/mm-° C At 500º C | 16.5 µm/mm-°C At 500º C | 14.4 µm/mm-º C At 500º C |
| Get Info | Not Available | Not Available | Not Available | Not Available | Not Available |