Se : 99.9% min

98-99.999

Selenium metal powder 99.9 (preference for PPC brand).

Enrichment SE 74 99, 9990% Chemical purity: 99, 98% . form of a granule of gray color

Selenium metal powder 99.9

Selenium metal powder 99.9

25kg per container, Purity: 99.99%, Brand: Mitsubishi

Se:70%~~99.9%

SeO2: 98% Min Color: White

Se: 99.5% Min Particle:100Mesh Color: Gray/Black Powder