Dental Alloy for CastingBrown, Nickel-based
A. Physical and ChemistryPerformance:
a.Ductile yield>=3%
b.Coefficient of expansion: 13.9*10-6/C(20-500C)
c.Density: 8.0 g/cm3
d. Breakoff/ craze original intension>=25 Mpa
e.Tensile strength:>= 250N/mm2
f. Alloy liquids or solidus curvetemperature:1160~1280C
g. Alloycomposition(%) Nickel 75~80;
Chrome:11.5~14.5;
Molybdenum:4.5~6.5;
Aluminium<1.5~3.5;
Others2.5~4.5
B. The alloy model is rotundity andhexagon.
C. Biologicperformance
This alloypass tests like toxicity test, Cell Toxicity, Hypersusceptibility testing,Nonnasality catarrh and Ames testing.
