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BangDe Tungsten & Molybdenum Production

Sodium tungstate

Molecular formula Na2WO4·2H2O
Index
Index Index %  
Optimal grade Refined Crude
WO3 ≥69.0 ≥69.0 ≥68.0
As ≤0.001 ≤0.002  
Cu ≤0.0002    
Fe ≤0.001 ≤0.002  
SO4   ≤0.02 0.01
Si ≤0.004   ≤0.04
Water insoluble ≤0.005 ≤0.01  
PH 8.5-9 8.5-9  
Metal(Pb) ≤0.001 ≤0.002  
Cl   ≤0.03  
Use Intermediate product in tungsten material production. Can be used in mordant, catalyst, pigment, analytical reagent and fabric weighting agent in textile industry, and can also be used to produce fire or water proof fabric.
Packing 50KG, 100KG iron drum or woven bag.

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