... MOP - White Granular, 60% K2O (WGr-60)ComponentSymbolGuarantee,%Potassium Oxide EquivalentK2O60,0 minPotassium ChlorideKCl95,0 minMoistureH2O0,5 maxParticle Size ... . MOP – White Standard, 62% K2O (WSt-62)ComponentSymbolGuarantee,%Potassium Oxide EquivalentK2O62,0 minPotassium ChlorideKCl98,0 minMoistureH2O0,5 maxWater Insolubles0 ... , mmCumulative % by weight Guarantee,%< 2,090,0 min Potassium Chloride