Magnesium sulfate heptahydrate fertilizer
USD $165 - $215 /Metric Ton
Min.Order:20 Metric Tons
Qingdao Lasting Prosperity International Trading Co., Ltd.
Item | Standard | Unit | Result |
Main ingredient | 98 | % | 99.5 |
MgSO4 | 47 | % | 48 |
PH | 5-8 | 5W/V%sol | 6 |
Fe | 0.0015 | % | 0.001 |
Cl | 0.014 | % | 0.01 |
As | 0.0002 | % | 0.0002 |
Pb | 0.001 | % | 0.001 |
Size | 1-3 | mm | ok |