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YMT
delivers industry leading expertise and uncompromised quality for
precision jewel parts used in aerospace, military, medical, and
measuring instrumentation applications with ISO 9001 quality
assurance. Our precision jewel bearings, suspension bearings,
sapphire windows and wedges serves the worldwide precision
instrumentation industries.
Our jewel orifices have played a significant role in flow insdustries.
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Sapphire
Properties
Physical Properties
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Crystal Structure:
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Rhombohedra Hexagonal Single Crystal
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Chemical Composition:
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Al2O3(99.99%)
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Mechanical Properties
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Hardness:
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Mohs9 , Knoop = 1700kb/mm² |
Tensile Strength:
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1.9*10³ kg/cm² |
Thermal Properties
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Melting Point:
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2050°C |
Optical Properties
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Refractive Index:
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1.79 / / C-axis , 1.760 ±
C-axis at 0.5893µm |
Visible Light:
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Excellent
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