1.magnesium sulfate 
2.USP grade, Agriculture and Tech grade 
3.in different mesh size. 
4.purity: 99.5% 
5.white cryatal 

Items
 Specifications: Test Results Unit 
Purity: 99.5 Min 99.72 % 
MgSO4 48.59 Min 48.75 % 
MgO 16.2 Min 16.33 % 
PH 5-8 6.22   
Arsenic(AS) 0.0002 Max 0.0001 % 
Iron(Fe) 0.001 Max 0.0008 % 
Heavy Metal(Pb) 0.0006 Max 0.0004 % 
Chloride (Cl) 0.014 Max 0.01 % 
Loss on Ignition 48-52 50 % 
Selenium 0.0003 Max 0.0002 % 
Partical size 0.2-3 0.2-3 mm 
 
Application: Weight additive for cotton, silk, filling for kapok products, evacuant for porcelain, fuels and fireproof materials, additive for brewing. Also used in rayon and textile industry. It belongs to feedstuffs grade.