Description

Safety Data Sheet ADT NEM

ADT GA-280

ADT GA-280 a universal CoCr fusing alloy for all conventional ceramics

• With a special composition
• Secure adhesive bond with ceramic
• Castable with all melting methods
• Easy finishing due to low hardness
• Easy to finish and easier to polish after casting
• Also suitable for laser welding
• Easy oxide removal after ceramic firing
• Quality proven worldwide
• Best in its class
• Biocompatible

Composition of the ADT GA-280

Co 59.5 % | Cr 24.8 % | W 5.9 % | Mo 4.7 % | Ga 4.2 % | Si, Mn < 1 %
This alloy is free of nickel, berillium and complies with EN ISO 22674, type 5 standards.

Technical data

Density 8.6 g/cm³
Vickers hardness 280 (HV10)
Linear CTE (25 - 500 °C) 14.0 (10-⁶-K-¹)
Linear CTE (25 - 600 °C) 14.2 (10-⁶-K-¹)
Melting interval 1310 - 1405 (°C)
Casting temperature 1490 (°C)
Highest recommended firing temperature 980 (°C)
Yield strength (0.2%) 530 (MPa)
Tensile strength 690 (MPa)
E-modulus 225 (GPa)
Elongation at break (A₅) 14 (%)

For more information about our NEM - dental alloys click here!