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: 14.3*10-6/C (20~500C)
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c. Density:8.2 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 liquidus or solidus curve temperature: 1260~1350C
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g. Modulus of elasticity: 200 GPa
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h. Corrosion resistance 7d above the release of ions is less than total average accumulation 0.1 mg/cm2 i. Alloy composition(%) Nickel 60~64; Chrome23~27 Molybdenum9~13 Silicon<2.5 Others<2.0
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B. The alloy model is rotundity and hexagon.
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