The granulating additive for fertilizer granules with ammonium nitrate
GranuAid product
KALI Big Bag
33% MgO
= 19.9 % Mg
65% SO3
= 26 % S

Product information

GranuAID is a granulation additive based on anhydrous magnesium sulfate for fertilizer granules with ammonium nitrate.

  • Improves grain hardness and surface of CAN, ASS, and NPK granules.
  • Reduces the tendency to caking and improves the storage properties of granules containing AN.
  • Stabilizes the granulation process.
  • Improves the spreading and blending properties of AN-containing granules.
  • Binds up to 100% of its own weight of moisture as an internal desiccant.
  • Shows results typically at a dosage of 0.1-1%.
  • Remains free flowing when stored in dry conditions.
  • Remains highly soluble in water.
  • Virtually free of chloride, heavy metals, and organics.
  • Exempt from REACH registration due to natural origin.



MgO, water-soluble magnesium oxide (= 19.9% Mg)
SO3, water-soluble sulfur trioxide (= 26% S)

Recommended Use

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