Tantalum Powder
Tantalum is twice as dense as steel and it is highly ductile at high temperatures. It has the fourth highest melting point of all metals and is able to form extremely thin and protective oxide layers for high-quality capacitors. Our tungsten powder has high surface area and great handling and flow properties.
Tantalum powder can be divided into three categories for capacitor tantalum, metallurgical tantalum and Voltage Tantalum Powder.
High-capacitance Tantalum Powder Series
Features:
• Produced by the sodium reduction method.
• It’s suitable for making capacitors with a rated withstand voltage of 4v-40v.
• Excellent materials for making chips, impregnated tantalum electrolytic capacitors and organic polymer polymer capacitors, which have the advantages of good moldability, high specific capacitance, small leakage current, and low equivalent series resistance.
Electrical Properties
|
Grade |
Capacitance(+10%-6%)
(μFV/g) |
Volume shrinkage
(%) |
Current leakage
(nA/μFV) |
Dissipation factor
(%) |
Breakdown voltage
(V) |
|
FTa16-700 |
70000 |
≤15 |
≤0.5 |
≤40 |
≥120 |
|
FTa16-500 |
50000 |
≤18 |
≤0.4 |
≤25 |
≥120 |
|
FTa16-400 |
40000 |
≤18 |
≤0.4 |
≤20 |
≥120 |
|
FTa16-300 |
30000 |
≤18 |
≤0.4 |
≤20 |
≥120 |
|
FTa16-230 |
23000 |
≤18 |
≤0.4 |
≤15 |
≥140 |
Chemical Analysis (Maximum Values/wt ppm)
|
Grade |
O |
C |
N |
H |
Fe |
Ni |
Cr |
Si |
Ti |
Nb |
Na+K |
W |
Mo |
|
FTa16-700 |
4000 |
40 |
1000 |
180 |
30 |
30 |
20 |
20 |
5 |
30 |
40 |
10 |
5 |
|
FTa16-500 |
3500 |
40 |
500 |
170 |
30 |
30 |
20 |
20 |
5 |
30 |
30 |
10 |
5 |
|
FTa16-400 |
3000 |
40 |
500 |
170 |
30 |
30 |
20 |
20 |
5 |
30 |
30 |
10 |
5 |
|
FTa16-300 |
2500 |
30 |
400 |
120 |
30 |
30 |
20 |
20 |
5 |
30 |
30 |
10 |
5 |
|
FTa16-230 |
2500 |
30 |
150 |
120 |
30 |
30 |
20 |
20 |
5 |
30 |
20 |
10 |
5 |
Physical Properties
|
Grade |
Bulk density(g/cm3） |
Average fisher size（um） |
Particle-size distribution
（-325mesh%） |
|
FTa16-700 |
1.5-2.1 |
1.8-3.0 |
≤35 |
|
FTa16-500 |
1.6-2.2 |
2.0-3.4 |
≤35 |
|
FTa16-400 |
1.6-2.2 |
2.0-3.5 |
≤35 |
|
FTa16-300 |
1.7-2.3 |
2.4-3.5 |
≤35 |
|
FTa16-230 |
1.7-2.3 |
2.4-3.5 |
≤35 |
Middle-Voltage Tantalum Powder Series
Features:
• Simple flake shape.
• Larger Fischer particle size and smaller specific surface area
• Good sintering resistance, high reliability and high voltage resistance
• It’s suitable for making medium to high voltage solid tantalum electrolytic capacitors with high reliability requirements from 20 to 63V.
Electrical Properties
|
Grade |
Capacitance(+10%-6%)
(u FV/g) |
Current leakage
(nA/u FV) |
Dissipation factor
(%) |
Breakdown voltage
(V) |
|
FDP-100 |
10000 |
≤0.4 |
≤10 |
≥180 |
|
FDP -80 |
8000 |
≤0.4 |
≤10 |
≥230 |
|
FDB -52 |
5200 |
≤0.5 |
≤8 |
≥240 |
|
FTa40-42 |
4200 |
≤0.5 |
≤8 |
≥240 |
Chemical Analysis (Maximum Values/wt ppm)
|
Grade |
O |
C |
N |
Fe |
Ni |
Cr |
Si |
Ti |
Nb |
Na |
K |
W |
Mo |
Al |
Mn |
|
FDP-100 |
2200 |
60 |
100 |
50 |
10 |
15 |
20 |
5 |
30 |
15 |
15 |
20 |
10 |
5 |
5 |
|
FDP-80 |
2100 |
60 |
100 |
50 |
10 |
15 |
20 |
5 |
30 |
10 |
10 |
20 |
10 |
5 |
5 |
|
FDB-52 |
1700 |
45 |
50 |
35 |
10 |
15 |
20 |
5 |
30 |
10 |
10 |
20 |
10 |
5 |
5 |
|
FTa40-42 |
1700 |
45 |
50 |
35 |
10 |
15 |
20 |
5 |
30 |
10 |
10 |
20 |
10 |
5 |
5 |
Physical Properties
|
Grade
|
Bulk density (g/cm3）
|
Average fisher size (um)
|
Particle-size distribution
(-325mesh%)
|
|
FDP-100
|
1.5-2.3
|
3.0-5.0
|
≤30
|
|
FDP-80
|
1.7-2.5
|
3.0-5.0
|
≤30
|
|
FDB-52
|
3.0-4.0
|
4.5-8.0
|
≤30
|
|
FTa40-42
|
3.5-4.5
|
5.0-9.0
|
≤30
|
High-Voltage Tantalum Powder Series
Features:
• Simple structure.
• Smaller specific surface area
• Good voltage resistance, and high breakdown voltage
• It’s suitable for making medium to high voltage solid tantalum electrolytic capacitors with specifications greater than 63V
Electrical Properties
|
Grade
|
Capacitance
(+10%-6%)(uFV/g)
|
Current leakage
(nA/u FV)
|
Dissipation factor
(%)
|
Breakdown voltage
(V)
|
|
FTa50-50
|
5000
|
≤0.6
|
≤6
|
≥260
|
|
FTa50-40
|
4000
|
≤0.6
|
≤6
|
≥260
|
|
FDC-50
|
5000
|
≤0.7
|
≤6
|
≥300
|
|
FTa63-40
|
4000
|
≤0.7
|
≤6
|
≥300
|
|
FTa63-35
|
3500
|
≤0.7
|
≤6
|
≥300
|
|
FTa63-28
|
2800
|
≤0.7
|
≤5
|
≥300
|
|
FTa63-25
|
2500
|
≤0.7
|
≤4
|
≥300
|
|
FTa63-20
|
2000
|
≤0.7
|
≤3
|
≥300
|
|
FTa63-15
|
1500
|
≤0.7
|
≤3
|
≥300
|
|
FTa63-10
|
1000
|
≤0.7
|
≤3
|
≥300
|
Chemical Analysis (Maximum Values/wt ppm)
|
Grade
|
O
|
N
|
C
|
Fe
|
Ni
|
Cr
|
Si
|
Ti
|
Nb
|
W
|
Mo
|
AL
|
Mn
|
|
FTa50-50
|
1800
|
60
|
50
|
40
|
15
|
15
|
20
|
10
|
30
|
10
|
10
|
5
|
5
|
|
FTa50-40
|
1600
|
60
|
50
|
40
|
15
|
15
|
20
|
10
|
30
|
10
|
10
|
5
|
5
|
|
FDC-50
|
2000
|
60
|
60
|
50
|
15
|
15
|
20
|
10
|
30
|
10
|
10
|
5
|
5
|
|
FTa63-40
|
1800
|
60
|
40
|
35
|
15
|
15
|
20
|
10
|
30
|
10
|
10
|
5
|
5
|
|
FTa63-35
|
1600
|
60
|
40
|
30
|
15
|
15
|
20
|
10
|
30
|
10
|
10
|
5
|
5
|
|
FTa63-28
|
1400
|
40
|
30
|
20
|
10
|
10
|
20
|
10
|
30
|
10
|
10
|
5
|
5
|
|
FTa63-25
|
1400
|
40
|
30
|
20
|
10
|
10
|
20
|
10
|
30
|
10
|
10
|
5
|
5
|
|
FTa63-20
|
1200
|
40
|
25
|
15
|
10
|
10
|
20
|
5
|
30
|
10
|
10
|
5
|
5
|
|
FTa63-15
|
1000
|
40
|
25
|
15
|
10
|
10
|
20
|
5
|
30
|
10
|
10
|
5
|
5
|
|
FTa63-10
|
1000
|
40
|
25
|
15
|
10
|
10
|
20
|
5
|
30
|
10
|
10
|
5
|
5
|
Physical Properties
|
Grade
|
Bulk density(g/cm3）
|
Average fisher size（μm）
|
|
FTa50-50
|
2.5-3.5
|
5.5-7.5
|
|
FTa50-40
|
3.0-4.0
|
7.5-11.0
|
|
FDC-50
|
2.5-3.5
|
4.0-7.0
|
|
FTa63-40
|
3.5-4.5
|
8.0-11.0
|
|
FTa63-35
|
3.5-4.5
|
8.0-12.0
|
|
FTa63-28
|
3.5-5.5
|
8.0-12.0
|
|
FTa63-25
|
4.0-6.0
|
9.0-14.0
|
|
FTa63-20
|
4.0-6.0
|
8.0-13.0
|
|
FTa63-15
|
5.0-6.5
|
9.0-15.0
|
|
FTa63-10
|
5.5-6.5
|
10.0-20.0
|
Tantalum Powder for Metallurgical Purposes
Features:
• Appearance: Dark grey powder or black powder.
• Application: Used for making various tantalum processing materials and alloy additives
Grade:FTa-01, FTa-02, FTa-1
|
Grade
|
FTa-01
|
FTa-02
|
FTa-1
|
|
Main content
|
Ta,%,Minimum
|
99.95
|
99.95
|
99.95
|
|
Impurity content ,
%,max
|
O
|
0.100
|
0.120
|
0.180
|
|
C
|
0.005
|
0.005
|
0.008
|
|
N
|
0.005
|
0.005
|
0.008
|
|
H
|
0.003
|
0.003
|
0.003
|
|
Fe
|
0.004
|
0.004
|
0.005
|
|
Ni
|
0.003
|
0.003
|
0.005
|
|
Cr
|
0.003
|
0.003
|
0.005
|
|
Nb
|
0.003
|
0.003
|
0.005
|
|
W
|
0.002
|
0.002
|
0.002
|
|
Mo
|
0.001
|
0.001
|
0.002
|
|
Si
|
0.003
|
0.003
|
0.005
|
|
Mn
|
0.001
|
0.001
|
0.001
|
|
Ti
|
0.001
|
0.001
|
0.001
|
|
Fsss(um)
|
3.0-10.0
|
3.0-10.0
|
3.0-10.0
|
|
Sieve mesh
|
-80
|
-80
|
-80
|
|
Application
|
Tantalum processing and alloying additives
|
|
Special requirements to be agreed upon by the supplier and buyer
|
Spherical Tantalum Powder
AEM’s spherical Tantalum powder is a good choice for 3D printing technology as its high purity, uniform particle size, complete surface structure, easy dispersion, large specific surface area and high surface activity. Our spherical Tantalum powder has a high level of sphericity and controlled grain size which make it the ideal powder for surface coating. It is the material of choice for many applications because of its biocompatible features among other things.
Physical Properties of Spherical Tantalum Powder
|
Size |
15-53 um |
|
Apparet density |
9.75 g/cm3 |
|
Tap density |
10.8 g/cm3 |
|
Hall flow rate |
5.8 s/50g |
Chemical Composition of Spherical Tantalum Powder
|
Chemical Composition - by ICP-AES |
|
Element |
Ta |
Fe |
Mg |
Cu |
Al |
Ca |
Sn |
Mn |
|
Value (%) |
≥99.9 |
0.002 |
＜0.001 |
＜0.001 |
＜0.001 |
＜0.001 |
＜0.001 |
＜0.001 |
|
Element |
Ti |
Mo |
W |
Nb |
Si |
Cr |
Ni |
|
|
Value (%) |
＜0.001 |
＜0.001 |
＜0.001 |
＜0.001 |
＜0.001 |
＜0.001 |
＜0.001 |
|
|
Gas Impurities |
|
Element |
C |
H |
O |
N |
|
Value (%) |
0.002 |
0.0018 |
0.045 |
0.004 |
Features of Spherical Tantalum Powder
- Biocompatible properties;
- High resistance to corrosion;
- Resistant to high temperature.
Application of Spherical Tantalum Powder
- Metal injection molding (MIM);
- Additive manufacturing (AM);
- Thermal spray (TSA);
Packaging of Tantalum Powder
In iron drums with inside plastic bags of 100kg or 200kg net each.
