1.Ammonium Sulphate Fertilizer 21%Min Caprolactam Grade
Nitrogen:21%Min
Water content(H2O):0.2%Max
Free acid:0.03%Max
2.Caprolactam grade Ammonium sulphate 21%(AS/SOA)
Technical specifications of Ammonium Sulphate( National Standard GB535-1995)
3Application: Used for chemical fertilizers and for production of complex fertilizers,potassium sulphate,ammonium chloride and ammonium persulpate,ect. Also can be used for food processing,textile industry,medical industry and leather processing.
4.Storage and transportation:Stored in cool,dry and ventilated warehouse. It must not be put together with Alkali stuffs,such as lime,cement,etc.Do not expose it to sunlight and rain during transportation .Do not damage the packing bags.5.Packing in 25kg ,50kg or 1000kg PP+PE Bags.
6.Factory at a glance
Item
Supreme grade
First grade
Qualified grade
Appearance
White crystal,no visible mechanical impurity
no visible mechanical impurity
no visible mechanical impurity
N content(dry basis),% ≥
21.0
21.0
20.5 Water content(H2O),%
0.2
0.3
1.0
Free acid(H2SO4)content,% ≤
0.03
0.05
0.20
Fe content, % ≤
0.007
-
-
As content,% ≤
0.00005
-
-
Heavy metal(Pb)content,% ≤
0.005
-
-
Water insolubles,% ≤
0.01
-
-