USD $1.00-1.00 / Kilogram
USD $2,250.00-2,350.00 / Metric Ton
USD $4.50-50.00 / Metric Ton
USD $1.65-2.30 / Metric Ton
USD $1.65-2.30 / Kilogram
USD $2,200.00-2,300.00 / Metric Ton
USD $0.95-1.00 / Metric Ton
the company passed the iso9001:2008 quality system certification, has the self-management import and export rights, product quality achieved the domestic leading level. products not only meet the domestic demand, but also exported to the united states, britain, france, germany, japan, australia and more than 30 countries and regions such as hong kong, macao and taiwan. deeply the general customers the high praise and trust.
index name
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index
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excellent grade
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first-rate product
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standard product
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appearance |
white crystalline powder
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white crystalline powder
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white crystalline powder
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|
potassium persulfate, % ≥ |
99.0
|
98.5
|
98.0
|
|
heavy metal(pb),% ≤ |
0.0005
|
0.0010
|
0.0015
|
|
iron (fe),% ≤ |
0.001
|
0.003
|
0.005
|
|
manganese (mn),% ≤ |
0.0001
|
0.0003
|
0.0005
|
|
chloride and chlorate(cl),% ≤ |
0.01
|
0.015
|
0.020
|
|
ammonium salt (nh4),% ≤ |
0.5
|
0.7
|
0.9
|
|
free acid ( h2so4),% ≤ |
0.10
|
0.20
|
0.30
|
|
active oxygen, % ≥ |
5.86
|
5.83
|
5.80
|
|
moisture,% ≤ |
0.15
|
0.20
|
0.25
|