Production of tungsten powder

TU 48-19-72-92

GRADES OF TUNGSTEN POWDER

Mark Powder name Feedstock
PVN Low-active Ammonium low-molybdenum paratungstate or WO3 of (NH4)5 H5[H2(WO4)6]-H2 O grade A
PVV Highly active High-purity ammonium paratungstate 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

The content of grains larger than 4 μm in low-active tungsten powders must not exceed 40%. Bulk density of tungsten powders must be in the range of 3.0-15.5 g/cm3.

Powder grade Mean Fischer grain diameter, mcm
PVN 3,5-6,0
PVV 0,8-1,7
PVT 3,5-6,0

Furnizor

We offer to buy tungsten powder from specialized warehouses of the supplier Evek GmbH with delivery in any city. Full compliance with GOST requirements. Supplier Evek GmbH offers to buy tungsten powder, the price is optimal in this segment of metal products.

Buy, bargain price

Supplier Evek GmbH offers tungsten powder, 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.