Magnesium sulfate heptahydrate

Magnesium sulfate heptahydrate

Characteristics: --White exiguous acicular or oblique-pillar crystal. Smell-less,tast-bitter.Easily efflorescent at dry air. --Speciific gravity is 1.68. --Freely soluble in water . Solublein its own water at 67.5oC.Slightly soluble in ethanol and glycerin. --Dcomposing is heatedup.Lossing 4 crystal waterat 70-80oC.About at 200oC,lossing all of its crystal water becomes anhydrous compounds

Use: --Mainly used in fertilizer, tanning, pringting and dyeing,activator,papermaking,plastic,porcelain,pigment matchmaking ,dynamite and fireproof materials making . --Can used in pringting and dyeing delaine as the aggravating reagent of calico or silk,and as filling up of wooden-cotton products.Be used as Epsom salts at medicine.

 

Test item	Specification	Analysis Results
Main Content	99.5% min	99.79
MgSO4	48.59% min	48.7
PH(5W/V%Sol)	5-8	6.15
Iron (Fe)	0.0015% max	0.001
Chlorid (Cl)	0.015% max	0.015
Heavy metal (Pb)	0.0008% max	0.0007
Arsenic (As)	0.0002% max	0.0001
Size      (mm)	0.1-1	0.1-1

Packing:

Knitting bags with plastic liners,25kg,40kg,50kg per bag. Storage :

Stored in dry and cool place.Protection from sunshine,rain,moisture.

Magnesium sulfate heptahydrate