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Performance: Density: 1.53; little bitter baste; easily soluble in water; soluble in glycerinum; lightly soluble in alcohol; insoluble in acetone, diethyl ether.
Executive standard: GB2946-08
Type: drift sand type and common type
Specifications: 50Kg or 25Kg
Packaging: plastic woven bag with inner plastic bag
Uses: in battery, electrofacing, dyeing, precision casting, smelt, abstergent and mecical field
Storage: store in cool, dry and ventilated warehouse to avoid moisture, acid and alkali
Technical index
|
Item |
Top grade |
Qualified |
|
ammonium chloride(NH4CL ) content(in dry basis)% ≥ |
99.3
|
99.0
|
|
moisture, % ≤ |
0.7
|
1.0
|
|
ignition residue , % ≤ |
0.4
|
0.4
|
|
iron (Fe) content, % ≤ |
0.001
|
0.003
|
|
heavy metal(Pb) content, % ≤ |
0.0005
|
0.001
|
|
sulfate(SO4) content, % ≤ |
0.02
|
_
|
|
pH
|
4.0~5.8
|
4.0~5.8
|
Note: If you have special requirement on moisture or other index, please contact with us
