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Member Since
2007
Laizhou Sanding Chemicals Co.,Ltd.
sell magnesium sulfate heptahydrate-agriculture grade
Appearance white crystalMain content 98.0%/99.5% minMgso4 47.8% minMgo 16.0% minMg 9.55% minPh(5w/v%sol) 4.5-6.5Ferron(fe) 0.0015% maxChlorid(cl) 0.03% maxHeavy metal(pb)0.001%maxArsenic(as) 0.0002% maxInsoluble 0.001% maxSize(mm)0.1-1
