SULFATE OF POTASH
AG GRANULAR
0-0-50 SOP

(Typical SGN 350, Typical UI 46)
Particle Size Distribution
Tyler Mesh
US Mesh
Opening
(mm)
Typical Range
(% cum)
Typical
(% cum)
5
5
4.00 7-42 25
6
6
3.35 40-75 58
8
8
2.36 81-100 92
9
10
2.00 92-100 96
10
12
1.70 96-100 98
12
14
1.40 98-100 99
Physical Properties
  Typical
Bulk Density, loose 
• lb/cu foot 75
• kg/cu meter 1200
Angle of Repose 35°
Friability <8
Solubility
0.8 lb/gal 55°F (13°C)
0.9 lb/gal 66°F (19°C)
1.0 lb/gal 77°F (25°C)
Chemical Analysis
Component Symbol Typical (%) Guarantee (%)
Potassium Oxide Equivalent
(Soluble Potash)
K2O 50.8 50.0 min.
Sulfur S 17.5 17.0 min.
Sulfate SO4 52.5  
Chloride Cl 0.5 0.8 max.
Magnesium Mg 0.4  
Moisture (105°C) H2O 0.15  
pH (5% Solution) pH 8.0  
Product analyses are typical. Handling and transportation may affect the analysis of the delivered product.
 
SOP AG GRANULAR is sized to blend well with most other agricultural grade nutrient sources and performs well in broadcast spreaders.
 
SOP AG GRANULAR is produced naturally near Ogden, Utah and available in 2,000 pound bags, and in bulk via truck & rail. Great Salt Minerals Corporation does not use animal manure or any form of waste in the production of SOP.
 
7/08