Trademark

Chemical Composition

1000℃1h
no More than

REO
No less Than

Pr₆O₁₁/REO
No less than

impurity content, No More Than

rare earth impurity/REO

non-rare earth impurity

La₂O₃

CeO₂

Nd₂O₃

Sm₂O₃

Y₂O₃

Fe₂O₃

SiO₂

CaO

Pr₆O₁₁-2

99

99.9

0.1

0.020

0.010

0.050

1

Pr₆O₁₁-3

99

99.5

0.5

0.020

0.010

0.050

1

Pr₆O₁₁-4

99

99

1

0.020

0.010

0.050

1

Pr₆O₁₁-7

99

96

4

0.020

—

—

1

Pr₆O₁₁-9

98

90

10

0.020

—

—

2