Properties: White Crystal Powder.
Usage: As Zinc additive in feed-processing, Precipiting agent for viscose rayon; activator in latex paper; trace nutrient in animal feeds; fertilizer ingredient; zinc salts; ore flotation; fungicide; water purification.
Item First grade
Zn % 36
ZnSO4.H2O % 99
Insoluble matter % 0.020
PH(50g/l) 4.0
Cl 0.20
Pb 10 ppm
Fe 100 ppm
Mn 100 ppm
Cd 10 ppm
As 5 ppm
Properties: White crystal, easy soluble in water, insoluble in ethanol.
Uses: As Zinc additive in feed-processing, trace nutrient in animal feeds, fertilizer ingredient, Paint, Lithopone, Medicine, Leather, Zn electro analysis, Agriculture.
Index Chemical fiber grade
Content (ZnSO4.7H2O) % 98.5
Zn % 22.5
Fe % ppm 60
Pb % ppm 10
Cd % ppm 7
As % ppm 5
Water insoluble matter % 0.05
H2S test 10g sample 90ml water, then blow with H2S, the deposit is ivory-white
Packing: 25/50kg in plastic woven bag lined with plastic bag
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