Characteristics
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General Properties:
Chemical Composition: AL2O3
Melting Point:
Boiling Point:
Maximum Operating Temperature:
Moh’s Hardness: Mohs Grade 9
Klopp Hardness：
Wearing Coefficient (compared to steel): 1.5
Refractive Index (sodium D-line) Double Refractions No=1.768 Ne=1.760
IR Transmittance: 3～5μm
IR Transmittance in Frequency Range＞85%
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