Air classifying mills or jet mills is suitable for ultra-fine grinding to create ground spices like chili powder and cinnamon powder. Air classifiers or fine impact mills are best to reduce the particle size of your cereal products, including wheat, corn starch proteins, and protein derivatives (wheat, potato, or soy).

If your product in involving milling sugar and sugar-based recipes, cocoa liquor, and cocoa nibs, you need a particular technology. Ball mill or roller mill technologies can be employed in refining the chocolates as they can grind to the sub-micron levels. Also, coffee beans require a particular grinding technology – varying from traditional mortar grinding to stone, hammer, or roller mills. And if you are trying to reduce the particle size of a solid in suspension in a liquid, you may benefit from colloid or corundum milling technologies.