Magnesium sulphate hepta
1> 99.5% main content 
2> Appearance: white crystal 
3> Application: mainly used in food, fertilizer, agriculture, industry, leather, dyeing, painting, ceramic and so on.
5> Technical analysis: Fe: 0.02%    
                Cl: 0.05%  
                MgO: 16%
                Insoluble water: 0.02% 
4> Packing: 25kg net plastic woven bags