Stable ammonium nitrate

Prill modifiers and anticaking chemistries support blasting by stabilizing ammonium nitrate prill structure and surface behavior. Applied during prill formation and post‑production handling, these chemistries help preserve material integrity, flowability, and consistency prior to explosive use.

Their role is to reduce variability introduced by crystal growth, moisture exposure, storage, and transport—factors that can otherwise compromise explosive material performance.

Why this function matters

Ammonium nitrate is a hygroscopic and structurally complex material. Without control, crystal morphology, moisture uptake, and surface interactions can lead to caking, fines generation, reduced flowability, and inconsistent downstream explosive formulation.

As logistics chains lengthen and environmental exposure increases, maintaining prill quality becomes a critical operational requirement, not a downstream convenience.

How chemistry enables performance

Prill modifiers
Prill modifier chemistry is applied during prill formation to control crystal structure and physical properties, including:

  • Crystal morphology and size distribution
  • Prill hardness and porosity
  • Moisture removal during prilling

These controls help produce prills with more consistent physical behavior, supporting predictable handling and downstream explosive formulation.

Anticaking
Anticaking chemistry is applied after prill formation to protect surface behavior during storage and transport, focusing on:

• Moisture interaction and surface solvation
• Recrystallization and caking tendency
• Fines generation and flow resistance

By forming inert, hydrophobic surface barriers, anticaking solutions help preserve free‑flowing behavior under variable environmental and logistical conditions.

System‑level performance impact

Stable prill structure and flowability reduce handling disruptions before blasting begins. Consistent material behavior supports reliable explosive manufacturing, loading, and logistics—helping limit variability that could otherwise propagate into blasting and downstream mining stages.

Together, prill modifiers and anticaking chemistry reinforce predictable material performance across the blasting value chain, without extending into explosive formulation ownership.

Safety, sustainability and performance integration

Sustainability and safety benefits are delivered through material preservation and operational efficiency.

Improved flowability reduces manual intervention, material losses, and reprocessing, while stable prill integrity supports safer handling and transport under real operating conditions.

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Ask for technical assistance

Discuss your operating conditions with our technical teams. We typically review ore type, water chemistry and process constraints before recommending chemistry functions.

Armeen®, Armoflo®, Armoflote®, Aquamet®, Aquatreat®, Arquad®, Atrac®, Berol®, Celect®, Dissolvine®, Ethylan®, Expancel®, Finnfix®, Lankropol®, Lilaflot® Triameen®, Versa‑TL®, and Versaflex® are registered trademarks of Nouryon in several countries worldwide.

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