Grade

FTa2O5-1

FTa2O5-2

FTa2O5-3

Main content, %

 By substraction

(exclusive of F, Ignition Loss)

99.9

99.5

99

Impurity

Content,

%,

max

Nb

0.005

0.02

0.2

Ti

0.001

0.002

0.005

W

0.001

0.003

-

Mo

0.001

0.002

0.005

Cr

0.001

0.003

-

Mn

0.001

0.002

0.005

Fe

0.005

0.01

0.03

Ni

0.002

0.005

-

Cu

0.002

0.005 

 -

Al

0.002

 0.004

0.01 

Si

0.005

 0.01

 0.02

F

0.1

0.15 

 0.2

Ignition Loss, %, max

0.5

0.5

0.5

Application

For making powder for capacitors

For tantalum carbide, etc