Tungsten Oxide Content

Tungsten Oxide Picture

The content of elements of blue tungsten oxide(BTO) supplied by Chinatungsten Online as following:

Grade

A

WO2.8-2.97 Content (%min)

99.95

Impurities
(% max)

Element

Max

Al

0.0005

As

0.0010

Bi

0.0001

Ca

0.0010

Cd

0.0001

Cr

0.0010

Co

0.0010

Cu

0.0003

Fe

0.0010

K

0.0010

Mg

0.0007

Mn

0.0010

Mo

0.0020

Na

0.0010

Ni

0.0007

P

0.0007

Pb

0.0001

S

0.0007

Sb

0.0005

Si

0.0010

Sn

0.0002

Ti

0.0010

V

0.0010

Density

2.4-2.8g/cm3

F.S.S.S.

12-19μm

The concent of elements of yellow tungsten oxide(YTO) supplied by Chinatungsten Online as following:

Grade

A1

A2

WO3 Content(%min)

99.95

99.9

Impurities
(% max)

Element

Max

Max

Al

0.0005

0.0010

As

0.0010

0.0150

Bi

0.0001

0.0010

Ca

0.0010

0.0060

Cd

0.0010

0.0010

Cr

0.0010

0.0010

Co

0.0010

0.0010

Cu

0.0003

0.0010

Fe

0.0010

0.0040

K

0.0010

0.0010

Mg

0.0007

0.0010

Mn

0.0010

0.0010

Mo

0.0020

0.1000

Na

0.0010

0.0050

Ni

0.0007

0.0010

P

0.0007

0.0050

Pb

0.0001

0.0010

S

0.0007

0.0050

Sb

0.0005

0.0010

Si

0.0010

0.0060

Sn

0.0002

0.0010

Ti

0.0010

0.0010

V

0.0010

0.0010

Density

2.4-3.0g/ cm3

0.6-1.0g/cm3

F.S.S.S.

12-20μm

0.6-1.8μm