Yttrium oxide

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Yttrium oxide
Posting date : Jul 05, 2010
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38-
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Chemical symbol: Y2O3 purity: 99.99% Melting point: 2680℃ Densities: 4.8g/cm³ Transparent wave band:0.23~9µ refractive indices:N=1.8~1.9 Specification:Ф10mm Outward appearance: White Performance: Is suitable for the electron gun evaporates, evaporates when to be easy to lose the oxygen. Smoothly becomes the membrane to be reliable.

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