Tantalum Powder is used in capacitor, alloy, metal additive and other area


Hi-capacitance series:

Grade	730409.16.500	730409.16.400	730409.16.300	730409.16.260	730409.16.220	730409.25.150	730409.25.120
Electrical properties
Capacitnce (+10/-5%, uFV/g)	50000	40000	30000	26000	22000	15000	12000
Dc Leakage (nA/uFV max.)	0.6	0.4	0.3	0.35	0.35	0.4	0.4
Dissipation Factor (% max.)	25	20	20	20	20	15	15
Breakdown Voltage (V min.)	120	120	120	120	120	150	150
Chemical composition (impurity: ppm, max.)
O	3100	2800	2500	2300	2200	2200	2200
C	50	50	50	50	50	50	50
N	600	300	300	300	180	120	120
H	100	100	100	100	100	80	80
Fe	30	30	30	30	30	30	30
Ni	15	15	15	15	15	15	15
Cr	15	15	15	15	15	15	15
Si	20	20	20	20	20	20	20
Ti	5	5	5	5	5	5	5
Nb	10	10	10	10	10	10	10
Na	10	10	10	10	10	10	10
K	30	25	20	20	15	15	15
W	15	15	15	15	15	15	15
Mo	5	5	5	5	5	5	5
Physical properties
Bulk Density (g/cm3)	1.5-2.8	1.5-2.5	1.5-2.5	1.5-2.5	1.5-2.5	2.5-4.5	2.5-4.5
Average Fisher size (um)	3.0-4.5	3.0-4.5	3.0-4.5	3.0-4.5	3.0-5.0	4.0-7.0	4.0-7.0
Particle size distribution (-325mesh, % max.)	35	35	35	35	35	35	35

Medium-voltage series

Grade	730409.35.100	730409.35.80	730409.40.60	730409.40.45	730409.40.42
Electrical properties
Capacitnce (+10/-5%, uFV/g)	10000	8000	6000	4500	4200
Dc Leakage (nA/uFV max.)	0.4	0.4	0.4	0.4	0.4
Dissipation Factor (% max.)	12	12	10	10	8
Breakdown Voltage (V min.)	190	190	240	240	240
Chemical composition (impurity: ppm, max.)
O	2200	2100	1800	1800	1700
C	50	50	50	50	40
N	100	100	80	80	70
Fe	30	30	25	25	25
Ni	15	15	15	15	15
Cr	15	15	15	15	15
Si	20	20	20	20	20
Ti	5	5	5	5	5
Nb	50	50	50	50	50
Na	10	10	10	10	10
K	10	10	10	10	10
W	20	20	20	20	20
Mo	20	20	20	20	20
Al	10	10	10	10	10
Mn	5	5	5	5	5
Physical properties
Bulk Density (g/cm3)	1.5-3.0	1.5-3.0	2.0-4.0	2.0-4.5	2.0-5.5
Average Fisher size (um)	2.5-5.0	4.0-9.0	4.0-9.0	4.5-9.5	5.0-10.0
Particle size distribution (-325mesh, % max.)	30	30	30	30	30

For metallurgical purposes series

Grade	730409.01	730409.02
Chemical composition (impurity: ppm, max.)
O	0.18	0.12
C	0.008	0.005
N	0.005	0.004
H	0.003	0.002
Fe	0.005	0.004
Ni	0.005	0.003
Cr	0.005	0.003
Nb	0.005	0.003
W	0.002	0.002
Mo	0.002	0.002
Si	0.005	0.002
Mn	0.001	0.001
Ti	0.001	0.001
Physical properties
Fsss (um)	3-10
Sieve mesh	-80

Special requirement is welcome!