4all is a nickel-chromium ceramic alloy. The reduced hardness makes it easy to process and the excellent melting and flow properties enable accurately fitting restorations.
Indications*
Telescope crowns, conus crowns
Bridges
Wide-span bridges
Cast posts / cores, bars, attachments
Technical Data
Composition (%): - Ni 61.4 | Cr 25.7 | Mo 11.0 | Si 1.5 | Mn <1.0, Al <1.0, C <1.0
ISO - 22674:2016
ADA Class - Base Metal
Type / Color - 4 / White
Density (g/cm³) - 8.4
Melting Range (Solidus/Liquidus): - 1260 - 1350 °C
Elastic Modulus (GPa): - 200
- Porcelain Fired
Vickers Hardness: - 235
Tensile Strength (MPa): - 720
0.2% Proof Stress (MPa): - 375
Elongation (%): - 12
Advantages
Reduced hardness
Easy to divest
Excellent melting and flow properties
Compatible with conventional metal-ceramics (e.g. IPS Style®) and laboratory composites (e.g. SR Nexco®)
Tested biocompatibility
Processing Data
Investment Material: - Phosphate-bonded
Preheating / Burn- out Temperature: - 800 - 850 °C
Crucible - Ceramic crucible
Casting Temperature: - 1405 - 1465 °C
Oxidation °C/min/Vacuum: - 950 / 1 / No
CTE: - (25 – 500 °C): 13.9 x 10-6 /K
Recommended Metal Ceramic: - IPS Style, IPS InLine One, IPS InLine, IPS InLine PoM, IPS Classic
Recommended Lab Composite: - SR Nexco
Laser Welding Wire: - Laser Ceramic White