4all is a nickel-chromium ceramic alloy. Its mechanical and physical properties have been coordinated with conventional feldspar ceramics.

Advantages

• Good melting and flow properties
• Easy to divest
• Reduced hardness
• Works with conventional feldspar ceramics
• Certified biocompatibility

Indications

• Single crowns
• Telescope and conus crowns
• Root canal posts
• Short- and long-span bridges

Composition

Ni 61.4
Cr 25.7
Mo 11.0
Si 1.5
Mn < 1.0
Al < 1.0
C < 1.0

Technical data

Type                                               4
Colour                                           white
Density (g/cm³)                            8.4
Melting range (°C)                      1260 - 1350
Casting temperature (°C)         1405 - 1465
Modulus of Elasticity (MPa)      200.000
CTE 25 – 500 °C                        13.8
CTE 20 – 600 °C                        14.1
Elongation (%)                            12.0
Vickers hardness                       235
0.2% proof stress (MPa)           375