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NPG Non Precious Gold in Ingot Form
$16.99
NPG Yellow-Gold Dental Casting Alloy
The Gold Alternative for Crown and Bridge Restorations
NPG™ is a premium, non-precious dental casting alloy developed for Type 2 restorations. Its attractive yellow-gold color offers the appearance and handling characteristics of traditional gold-colored dental alloys without using precious metal.
Designed for professional dental laboratories, NPG™ produces smooth, accurate castings with dependable fit and quality. The alloy is easy to finish and suitable for crowns, bridges, onlays, posts and cores, and other non-ceramic fixed appliances.
Key Features
- Attractive yellow-gold appearance
- Non-precious dental casting alloy
- Designed for Type 2 restorations
- Produces smooth, accurate castings
- Dependable fit and consistent quality
- Easy to finish
- Suitable for professional dental laboratory applications
Applications
- Non-ceramic fixed appliances
- Full cast crowns and FMC restorations
- Single-unit restorations
- Onlays
- Short-span multiple-unit bridgework
- Posts and cores
- Metal substructures for veneer crowns
- Compatible with polymer resin, acrylic, and composite veneers
Technical Properties
| Property | Specification |
|---|---|
| Tensile strength | 81,200 psi / 560 MPa |
| Yield strength | 38,425 psi / 265 MPa |
| Elongation | 15% |
| Vickers hardness | 140 HV1 |
| Density | 7.8 g/cm³ |
| Color | Yellow-gold |
| Melting range | 1,850–1,950°F / 1,012–1,068°C |
| Alloy type | Type 2 |
Chemical Composition
- Copper (Cu): 80.7%
- Aluminum (Al): 7.8%
- Nickel (Ni): 4.3%
- Additional elements: iron (Fe), zinc (Zn), and manganese (Mn)
NPG is a non-precious alloy with a yellow-gold color. It does not contain precious gold unless otherwise specified by the manufacturer.