Physical state : fresh yellow heavy powder .S ensitive to the wet .It turns dark orange when heating and returns to its original color after cold .Sol soluble in sodium hydroxide solution , slightly soluble in acid , insoluble in water .Rel ative density of 7.16 .Melting point of 1 , 4 7 3 â?? .
Application : mainly used as the raw material for metal tungsten , manufacturing tungsten carbide , carbide carbide (cemented carbide) , knives , super hard mold and tungsten strip , tungsten wire through powder metallurgy , can also be used for X - ray screen and fire fabric , as well as coloring agent and analytical reagent used as ceramic ware .
Supplier: Rare metals : copper, tungsten, zinc oxide any sort of rare metals in different forms
Supplier: Tungsten oxide, cobalt oxide
Supplier: Wolframite, copper ore, copper oxide, tungsten oxide, ammonium paratungstate, tungsten carbide
Buyer: Copper ore
Supplier: Nano powdered oxides, compounds, and chemicals, tungsten carbide powder, tungsten metal powder, tungsten nano powders, rare earth oxides, rare earth chemicals
Buyer: Tungsten sludge, tungsten scrap, cobalt sludge, nickel spent catalyst, nickel sludge, tin sludge
Supplier: Copper powder ultra fine, copper powder ultra fine (bronze gold powder), copper ingot, titanium nickel (ni), gold, aluminum, tungsten, magnesium (mg), silicon, sulfur, potassium, calcium, titanium, vanadium, chromium, iron, nickel, copper, zinc, gallium), germanium, selenium, strontium, rubidium, molybdenum, zirconium, cadmium, indium, tin, tellurium, sands silica
Supplier: Vacuum evaporation materials, tungsten filaments, vacuum targets, oxides, sio, sio2, ti3o5,mgf2