water soluble fertilizer magnesium sulphate heptahydrate 98%

Product Overview

Description

Magnesium Sulfate Heptahydrate      

 Annual output :2000 tons

 Molecular:MgSO4 ·7H2O     Molecular weight:246.48

Characteristics: White exiguous acicular or oblique-pillar crystal. Smell-less, tast-bitter. Easily efflorescent at                             dry air. Specific gravity is 1.68. Freely souble in water.  Solublein its own water at 67.5℃. Slightly                               souble in ethanol and glycerin.  Dcomposing is heatedup. Lossing 4 crystal water at 70-80℃.  About at 20℃,                               lossing all its crystal water becomes anhydrous compounds.

Use:Mainly used in fertilizer, tanning, printing and dyeing, activator, papermaking, plastic, porcelain, pigment           matchmaking, dynamite and fireproof material making. Can be 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.

Packing: Knitting bags with plastic liners, 25kg, 50kg,1000kg per bag.

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

 

 

 

(Technological index):

 

name of index	first class	up to standard
MgSO4 ·7H2O %	≥99.5	≥98
iron(Fe3+)	≤0.005	≤0.01
(Cl-)	≤0.15	≤0.15
insuluble water%	≤0.1	≤0.1