Molecular formula：K2SO4
Molecular weight：174.24
HS CODE: 31043000
Property: Potassium Sulphate is colorless or white hexagonal or rhombic crystal or granular powder. The relative density is 2.662.
The inversion point is at 588°C , the melting point is at 1069°C
and the boiling point is at 1689°C .It is soluble in water(12g/100ml water at 25°C ;24.1g/100ml water at 100°C) and insoluble in alcohol, acetone and carbon bisulfide. It tastes bitter and salty.
Inspection ltem Unit Fine Grade Feed Grade First Grade
Assay（K2SO4） % ≧ 99.0 98.5 98.5
Insoluble matter in water % ≦ 0.3 —— 0.5
Chloride(as Cl -) % ≦ 0.03 —— 0.05
Calcium % ≦ 0.03 0.03 0.03
Heavy Metal (as Pb) % ≦ 0.001 0.002 0.002
Iron % ≦ 0.005 0.005 0.02
PH(50g/L,25℃) - 6.0~8.0 6.0~8.0 6.0~8.0
Size（120 mesh） 120mesh 120mesh 120mesh
Appearance white crystal without any impurity visible to the naked eye
Packing: Plastic woven bag inner with plastic bag in 25/40/50kg net.
Skype:linda.liu364
Molecular weight：174.24
HS CODE: 31043000
Property: Potassium Sulphate is colorless or white hexagonal or rhombic crystal or granular powder. The relative density is 2.662.
The inversion point is at 588°C , the melting point is at 1069°C
and the boiling point is at 1689°C .It is soluble in water(12g/100ml water at 25°C ;24.1g/100ml water at 100°C) and insoluble in alcohol, acetone and carbon bisulfide. It tastes bitter and salty.
Inspection ltem Unit Fine Grade Feed Grade First Grade
Assay（K2SO4） % ≧ 99.0 98.5 98.5
Insoluble matter in water % ≦ 0.3 —— 0.5
Chloride(as Cl -) % ≦ 0.03 —— 0.05
Calcium % ≦ 0.03 0.03 0.03
Heavy Metal (as Pb) % ≦ 0.001 0.002 0.002
Iron % ≦ 0.005 0.005 0.02
PH(50g/L,25℃) - 6.0~8.0 6.0~8.0 6.0~8.0
Size（120 mesh） 120mesh 120mesh 120mesh
Appearance white crystal without any impurity visible to the naked eye
Packing: Plastic woven bag inner with plastic bag in 25/40/50kg net.
Skype:linda.liu364
Main Products
ammonium chloride,potassium nitrate,potassium carbonate