Cast at 1410C into mould at 870C. Oxidise at 600-980C vacuum. Argeloy NP Star is a nickel/chromium base alloy without beryllium, yet has a balance of properties designed to produce high quality porcelain fused to metal restorations. This alloy produces an excellent bond with dental porcelain. Applications: single crowns, short and long span bridgework. Density: 8.2gm/cc. CTE: 14.1 @ 25-600C.