Pink Granular/Standard,60% K2O White Granular,60% K2O White Standard,62% K2O White Fine,60%-62% K2O 1. MOP – Pink Granular, 60% K2O (PGr-60) ... maxParticle Size, mmCumulative % by weight Guarantee,%< 290,0 min3. MOP - White Granular, 60% K2O (WGr-60)ComponentSymbolGuarantee,%Potassium Oxide EquivalentK2O60,0 minPotassium ... Size, mmCumulative % by weight Guarantee,%< 2,090,0 min Potassium Chloride