Sapphire crystal bar

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Sapphire crystal bar
Posting date : Jan 03, 2012
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HS-CODE
90-
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Material: artificial sapphire (α-Al2O3)≥99.99% Specification: φ2.00×50.00mm Length: 1.00 ~ 200.00 + / - 0.20 mm Diameter:.50 ~ 200.00 + / -0.1 mm; Finish S/D: 80/50,60/40,40/20,20/10,10/5; Wave-front error @ 632.8 nm: λ~λ/20 per 25mm; Effective optical aperture: 80% ~ 99%; Quantity: 100,000 / month email: susan.sapphire@msn.cn

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