Tu 48-19-72-92. Tungsten powder.
Supplier
We offer to buy tungsten powder from specialized warehouses of the supplier Evek GmbH with delivery in any city. Full compliance with the requirements of Tu 48-19-72-92. Supplier Evek GmbH offers to buy tungsten powder, the price is optimal in this segment of metal products.
GRADES OF TUNGSTEN POWDER TUH 48-19-72-92
Mark | Powder name | Initial raw material |
PVN | Low-active | Ammonium low-molybdenum paratungstate or WO3 of (NH4)5 H5[H2 (WO4)6]-H2 O grade A |
PVV | Highly active | Ammonium paravolphramate of high purity or WO3 of (NH4)5 H5[H2 (WO4)6]-H2 O grade A |
PVT | Technical | Ammonium paratungstate or WO3 of (NH4)5 H5[H2 (WO4)6]-H2 O |
PERCENTAGE COMPOSITION OF TUNGSTEN POWDER
Element | Mass fraction, %, max | ||
PVN | PVV | PVT | |
Fe | 0,008 | 0,006 | 0,02 |
Al | 0,001 | 0,001 | 0,002 |
Si | 0,003 | 0,002 | 0,005 |
Ca | 0,005 | 0,002 | 0,0050 |
Ni | --- "--- | 0,0050 | 0,008 |
P | --- "--- | 0,0040 | 0.0050 |
S | 0,004 | 0,004 | 0,004 |
Mo | 0,04 | 0,02 | 0,2 |
C | 0,003 | 0,0030 | 0,003 |
As | 0,005 | 0,0030 | 0,03 |
K | 0,02 | 0,02 | 0,02 |
Na | 0,015 | 0,01 | 0,02 |
O2 + moisture | 0,25 | 0,35 | 0,2 |
Mass fraction of tungsten | basis | basis | basis |
DISPERSITY OF TUNGSTEN POWDERS
Powder grade | Mean Fischer grain diameter, μm |
PVN | 3,5-6,0 |
PVV | 0,8-1,7 |
PVT | 3,5-6,0 |
The content of grains larger than 4 microns in low-active tungsten powder must not exceed 40%. Bulk density of tungsten powders should be in the range of 3.0-15.5 g/cm3.
Buy, bargain price
Supplier Evek GmbH offers tungsten powder (Tu 48-19-72-92), price - determined by the technological features of production without including additional costs. The company's website displays information about the latest arrivals of products. We invite you to partner cooperation.