k8凯发天生赢家

Nb2O5

氧化铌2.jpg   


氧化铌1.jpg


Introduction

Purity: 99.95%

Shape:powder,   granule
Appearance:black,   white
Melting   Point:1485℃
Density:   4.6g/cm?
Specification:   0.7-4mm


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