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Super 12 Plus/ G62 - Copper- Aluminum - NP Alloy yellow-gold colored alloy for construction of type 2 restorations. A premium non-precious casting alloy for fixed crowns, bridges and onlays, NPG is recognized worldwide as the gold alternative - COPPER = 78.8% NOMINAL ALUMINUM = 8.8% NOMINAL NICKEL = 4.9% (max) NOMINAL IRON = 3.9% NOMINAL ZINC = 2.7% NOMINAL MANGANESE = 1.0% NOMINAL Note: % values are in weight percent and reflect nominal composition. PHYSICAL PROPERTIES OF SUPER 12 PLUS Melting Range = 1010-1068°C (1853-1954°F) Yield Strength = 205 MPa Elongation = 29% Vickers Hardness = 140 Casting Temperature = 1150°C (2100°F) priced per KG
