Ammonium paratungstate (or APT) is a white crystalline salt of ammonium and tungsten, raw material of Sodium Tungstate and Tungsten Trioxide production.
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Appearance: Free flowing white crystalline powder with no any other cast or foreign matter.
Ignition Loss: 11.5%max
Fsss: 35-46 micron.
Packing: In iron drums with inside plastic bags of 100kg or 200kg net each.
1) APT-0 is high purity material for special uses.
2) Material of 40-46 micron is mainly used for producing tungsten bar for drawing wire
3) Any special requirement to the products can be discussed.”