TUNGSTEN
APT (Ammonium Paratungstate)BTO (Blue Tungsten Oxide)TTO/YTO (Tungsten Trioxide/Yellow Tungsten Oxide)Tungsten Metal PowderTungsten Carbide PowderCast Tungsten Carbide W2C
WC)
· Formula: WC
· Appearance: Fine grey metal powder
· Packing: In iron drum with inside plastic bags of 100kg or 200kg net each
Imputiry Content (ppm max.)
Grade
Fe
Mo
Al
Si
Ca
Mn
Mg
Cr
Ni
K+Na
Standard WC≥99.8%
300
50
10
30
40
10
10
100
80
20
Typical WC≥99.98%
70
20
3
20
20
3
3
70
35
20
Specification
Type
Fsss (μm)
Total carbon (%)
Free carbon (%)
0.8
0.8-1.0
6.13+/-0.05
≤0.05
10
1.01-1.5
15
1.51-2.0
20
2.01-2.5
25
2.51-3.0
30
3.01-4.0
40
4.01-5.0
50
5.01-7.0
70
7.01-15.0
150
15.01-25.0
NOTE: Any particular requirement to the products can be discussed
Ammonium Paratungstate (APT)
· Formula: 5(NH4)2O.12WO3.5H2O
· Appearance: Free flowing white crystalline powder without any other cast or foreign matter
· Packing: In bags of 100kg, 200kg, 1000kg net each
Grade
Standard
Typical
WO3 (%min)
88.5
88.93
Impurity Content (ppm max)
Al
5
3
Fe
10
6
S
7
5
As
10
7
P
7
5
Mo
20
10
Ca
10
6
Mg
7
3
K
10
6
Na
10
5
Si
10
6
Cu
3
1
Mn
10
3
Ni
7
3
Pb
1
0.5
Bi
1
0.5
Sn
1
0.5
Sb
8
3
V
10
3
Ti
10
3
Cr
10
3
Co
10
3
Cd
-
0.5
Fsss (35-46μm)
Scott Density: 1.8-2.6 g/cm3
Ignition loss: max. 11.5%
NOTE:
· K is not regarded as impurity
· Material of 40-46 micron is mainly used for producing tungsten bar for drawing wire
· Any particular requirement to the products can be discussed
Tungsten Trioxide/Yellow Tungsten Oxide (TTO/YTO)
· Formula: WO3
· Appearance: Free flowing light yellow crystalline powder
· Packing: In bags of 100kg, 200kg and 1000kg net each
Grade
Standard
Typical
WO3 (%min)
99.95
99.95
Impurity Content (ppm max.)
Al
5
3
Fe
10
6
S
7
5
As
10
7
P
7
5
Mo
20
12
Ca
10
6
Mg
7
3
K
10
7
Na
10
5
Si
10
6
Cu
3
1
Mn
10
3
Ni
7
3
Pb
1
0.5
Bi
1
0.5
Sn
2
0.5
Sb
5
3
Ti
10
3
V
10
3
Cr
10
3
Co
10
3
Cd
-
0.5
Fsss (8-16μm)
Scott Density: 2.0-3.0 g/cm3
Ignition loss: max. 0.5%
Chlorde Residue: max. 0.06%
NOTE: Any particular requirement to the products can be discussed.
Blue Tungsten Oxide (BTO)
· Formula: WO2.8-2.97
· Appearance: Free flowing dark blue crystalline powder
· Packing: In bags of 100kg, 200kg and 1000kg net each
Grade
Standard
Typical
WO2.8-2.97 (% min.)
99.95
99.95
Impurity Content (ppm max)
Al
5
3
Fe
10
6
S
7
5
As
10
7
P
7
5
Mo
20
12
Ca
10
6
Mg
7
3
K
10
7
Na
10
5
Si
10
6
Cu
3
1
Mn
10
3
Ni
7
3
Pb
1
0.5
Bi
1
0.5
Sn
2
0.5
Sb
5
3
Ti
10
3
V
10
3
Cr
10
3
Co
10
3
Cd
-
0.5
Fsss (8-16μm)
Scott Density: 2.0-3.0 g/cm3
Ignition loss: max. 0.5%
Chlorde Residue: max. 0.06%
NOTE:Any particular requirement to the products can be discussed.
Tungsten Metal Powder (WMP)
· Formula: W
· Appearance: Steel grey metal powder
· Packing: In iron drum with inside plastic bags of 100kg or 200kg net each
Grade
Standard
Typical
W (%min)
99.95
99.99
Impurity Content (ppm max)
Fe
50
10
Si
20
6
Ca
20
6
Al
10
3
Mn
10
3
Mg
10
3
Ni
20
6
Sb
5
3
Cr
10
10
As
10
7
Pb
1
0.5
Bi
1
0.5
Sn
10
0.5
Cu
5
1
Mo
50
6
K
20
10
Na
10
10
S
10
10
P
10
5
C
50
-
Specification
Type
Fsss (μm)
Scott Density (g/cm3)
Oxygen Content Max (%)
07
0.6-0.8
1.4-2.2
0.5
09
0.81-1.0
1.7-2.5
0.4
10
1.01-1.5
2.0-2.8
0.3
15
1.51-2.0
2.2-3.0
0.3
20
2.01-3.0
2.6-3.5
0.25
30
3.01-4.0
3.2-4.2
0.25
40
4.01-5.5
3.8-4.8
0.25
55
5.51-7.0
4.0-5.2
0.2
70
7.01-15
4.2-5.5
0.2
150
15.1-25
4.5-6.5
0.1
NOTE: Any particular requirement to the products can be discussed.
Cast Tungsten Carbide Powder (W2C)
· Formula: W2C
· Appearance: grey metal powder
· Density: 16.5g/cm3
· Packing: In drum
Type
Grain Size
Mesh
μm
GZ5-10f
-5~+10
4000-2000
GZ10-20f
-10~+20
2000-850
GZ20-30f
-20~+30
850-600
GZ30-40f
-30~+40
600-425
GZ40-60f
-40~+60
425-250
GZ60-80f
-60~+80
250-180
GZ80-100f
-80~+100
180-140
GZ100-200f
-100~+200
140-75
GZ200-400f
-200~+400
75-34
Elements
Standard
Typical
W
95-96
95.65
Total Carbon
3.8-4.0
3.89
Free Carbon
≤0.08
0.01
Fe
≤0.5
0.026
Cr
≤0.2
0.06
V
≤0.2
0.02
a firm spanning 51 years
WC)
· Formula: WC
· Appearance: Fine grey metal powder
· Packing: In iron drum with inside plastic bags of 100kg or 200kg net each
Imputiry Content (ppm max.)
Grade
Fe
Mo
Al
Si
Ca
Mn
Mg
Cr
Ni
K+Na
Standard WC≥99.8%
300
50
10
30
40
10
10
100
80
20
Typical WC≥99.98%
70
20
3
20
20
3
3
70
35
20
Specification
Type
Fsss (μm)
Total carbon (%)
Free carbon (%)
0.8
0.8-1.0
6.13+/-0.05
≤0.05
10
1.01-1.5
15
1.51-2.0
20
2.01-2.5
25
2.51-3.0
30
3.01-4.0
40
4.01-5.0
50
5.01-7.0
70
7.01-15.0
150
15.01-25.0
NOTE: Any particular requirement to the products can be discussed
Ammonium Paratungstate (APT)
· Formula: 5(NH4)2O.12WO3.5H2O
· Appearance: Free flowing white crystalline powder without any other cast or foreign matter
· Packing: In bags of 100kg, 200kg, 1000kg net each
Grade
Standard
Typical
WO3 (%min)
88.5
88.93
Impurity Content (ppm max)
Al
5
3
Fe
10
6
S
7
5
As
10
7
P
7
5
Mo
20
10
Ca
10
6
Mg
7
3
K
10
6
Na
10
5
Si
10
6
Cu
3
1
Mn
10
3
Ni
7
3
Pb
1
0.5
Bi
1
0.5
Sn
1
0.5
Sb
8
3
V
10
3
Ti
10
3
Cr
10
3
Co
10
3
Cd
-
0.5
Fsss (35-46μm)
Scott Density: 1.8-2.6 g/cm3
Ignition loss: max. 11.5%
NOTE:
· K is not regarded as impurity
· Material of 40-46 micron is mainly used for producing tungsten bar for drawing wire
· Any particular requirement to the products can be discussed
Tungsten Trioxide/Yellow Tungsten Oxide (TTO/YTO)
· Formula: WO3
· Appearance: Free flowing light yellow crystalline powder
· Packing: In bags of 100kg, 200kg and 1000kg net each
Grade
Standard
Typical
WO3 (%min)
99.95
99.95
Impurity Content (ppm max.)
Al
5
3
Fe
10
6
S
7
5
As
10
7
P
7
5
Mo
20
12
Ca
10
6
Mg
7
3
K
10
7
Na
10
5
Si
10
6
Cu
3
1
Mn
10
3
Ni
7
3
Pb
1
0.5
Bi
1
0.5
Sn
2
0.5
Sb
5
3
Ti
10
3
V
10
3
Cr
10
3
Co
10
3
Cd
-
0.5
Fsss (8-16μm)
Scott Density: 2.0-3.0 g/cm3
Ignition loss: max. 0.5%
Chlorde Residue: max. 0.06%
NOTE: Any particular requirement to the products can be discussed.
Blue Tungsten Oxide (BTO)
· Formula: WO2.8-2.97
· Appearance: Free flowing dark blue crystalline powder
· Packing: In bags of 100kg, 200kg and 1000kg net each
Grade
Standard
Typical
WO2.8-2.97 (% min.)
99.95
99.95
Impurity Content (ppm max)
Al
5
3
Fe
10
6
S
7
5
As
10
7
P
7
5
Mo
20
12
Ca
10
6
Mg
7
3
K
10
7
Na
10
5
Si
10
6
Cu
3
1
Mn
10
3
Ni
7
3
Pb
1
0.5
Bi
1
0.5
Sn
2
0.5
Sb
5
3
Ti
10
3
V
10
3
Cr
10
3
Co
10
3
Cd
-
0.5
Fsss (8-16μm)
Scott Density: 2.0-3.0 g/cm3
Ignition loss: max. 0.5%
Chlorde Residue: max. 0.06%
NOTE:Any particular requirement to the products can be discussed.
Tungsten Metal Powder (WMP)
· Formula: W
· Appearance: Steel grey metal powder
· Packing: In iron drum with inside plastic bags of 100kg or 200kg net each
Grade
Standard
Typical
W (%min)
99.95
99.99
Impurity Content (ppm max)
Fe
50
10
Si
20
6
Ca
20
6
Al
10
3
Mn
10
3
Mg
10
3
Ni
20
6
Sb
5
3
Cr
10
10
As
10
7
Pb
1
0.5
Bi
1
0.5
Sn
10
0.5
Cu
5
1
Mo
50
6
K
20
10
Na
10
10
S
10
10
P
10
5
C
50
-
Specification
Type
Fsss (μm)
Scott Density (g/cm3)
Oxygen Content Max (%)
07
0.6-0.8
1.4-2.2
0.5
09
0.81-1.0
1.7-2.5
0.4
10
1.01-1.5
2.0-2.8
0.3
15
1.51-2.0
2.2-3.0
0.3
20
2.01-3.0
2.6-3.5
0.25
30
3.01-4.0
3.2-4.2
0.25
40
4.01-5.5
3.8-4.8
0.25
55
5.51-7.0
4.0-5.2
0.2
70
7.01-15
4.2-5.5
0.2
150
15.1-25
4.5-6.5
0.1
NOTE: Any particular requirement to the products can be discussed.
Cast Tungsten Carbide Powder (W2C)
· Formula: W2C
· Appearance: grey metal powder
· Density: 16.5g/cm3
· Packing: In drum
Type
Grain Size
Mesh
μm
GZ5-10f
-5~+10
4000-2000
GZ10-20f
-10~+20
2000-850
GZ20-30f
-20~+30
850-600
GZ30-40f
-30~+40
600-425
GZ40-60f
-40~+60
425-250
GZ60-80f
-60~+80
250-180
GZ80-100f
-80~+100
180-140
GZ100-200f
-100~+200
140-75
GZ200-400f
-200~+400
75-34
Elements
Standard
Typical
W
95-96
95.65
Total Carbon
3.8-4.0
3.89
Free Carbon
≤0.08
0.01
Fe
≤0.5
0.026
Cr
≤0.2
0.06
V
≤0.2
0.02
a firm spanning 51 years