in any form

Tb4O7 - 99.5% min

Tb4O7/REO≥99.995%（4N5）

99.99

99.99+

99.99

TREO99 min % ,Tb4O7/TREO 99-99.99min % Character: Brown powder, insoluble in water, soluble in mineral acids. Uses: As an activator for phosphor and a dopant in garnet.

99.99

99.99%-99.999%

99.9%