High Purity 99.95% Niobium Alloy Ro 4210 4216 ASTM B393 Niobium Foil
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... temperatures for a long time. The metal starts to oxidize in air at 200°C, and when processed at even moderate temperatures must be placed in a protective atmosphere. Niobium is used as an alloying agent and for jewelry, but perhaps its most interesting...
HENAN HUAMAO METAl MATERIALS CO ,LTD
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