Description
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1.Product Application Range: Suit dental department of hospital for casting crowns, bridges and combination.
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2.Technology Parameter and Performance
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A. Physical and Chemistry Performance:
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a. Ductile yield>=3%
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b. Coefficient of expansion: 13.9*10-6/C (20-500C)
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c. Density: 8.0 g/cm3
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d. Break off/ craze original intension>=25 Mpa
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e. Tensile strength:>= 250 N/mm2
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f. Alloy liquids or solidus curve temperature:1160~1280C
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g. Alloy composition(%) Nickel 75~80; Chrome:11.5~14.5; Molybdenum: 4.5~6.5; Aluminium <1.5~3.5; Others 2.5~4.5
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B. The alloy model is rotundity and hexagon.
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C. Biologic performance
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This alloy pass tests like toxicity test, Cell Toxicity, Hypersusceptibility testing, Nonnasality catarrh and Ames testing.
