Uses: It is the intermediates product of Tungsten material; Can also be used in mordant, catalysts, pigments and analytical reagent, used as a weighting agent of fabric in the textile industry, used in the manufacturing of flame-retarding, waterproof fabric.
Packing: 25kg Cardboard barrel or plastic woven bag .
Specifications︰
Na2WO4.2H2O Item% Top Grade Good Grade Normal Grade WO3 ≥69.0 ≥69.0 ≥68.0 Mo ≤0.02 ≤0.02 ≤0.04 As ≤0.001 ≤0.002 Cu ≤0.0002 Fe ≤0.001 ≤0.002 SO4 ≤0.02 0.01 Si ≤0.004 ≤0.04 Insoluble ≤0.005 ≤0.01 PH 8.5-9 8.5-9 Metal(Pb) ≤0.001 ≤0.002 Cl ≤0.03
Advantages︰
Na2WO4.2H2O Item% Top Grade Good Grade Normal Grade WO3 ≥69.0 ≥69.0 ≥68.0 Mo ≤0.02 ≤0.02 ≤0.04 As ≤0.001 ≤0.002 Cu ≤0.0002 Fe ≤0.001 ≤0.002 SO4 ≤0.02 0.01 Si ≤0.004 ≤0.04 Insoluble ≤0.005 ≤0.01 PH 8.5-9 8.5-9 Metal(Pb) ≤0.001 ≤0.002 Cl ≤0.03
