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Is a colloid mill considered a proper pharmaceutical ointment mill, or is that term reserved for roller mills only?

Tagged: Colloid mill for pharmaceutical industry, Emulsion production, High-shear mixing, Ointment manufacturing, Particle size reduction, Pharmaceutical homogenization, Pharmaceutical milling, Pharmaceutical processing equipment, Suspension preparation, Wet grinding

This topic has 1 reply, 2 voices, and was last updated 32 minutes ago by Gregory.

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August 10, 2026 at 4:06 pm #4596

Scott
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Is a colloid mill considered a proper pharmaceutical ointment mill, or is that term reserved for roller mills only?

August 10, 2026 at 4:29 pm #4602

Gregory
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A colloid mill is indeed used as a pharmaceutical ointment mill, alongside triple-roller mills, since its rotor-stator design efficiently disperses active ingredients and pigments into ointment bases, ensuring smooth texture and even distribution of actives throughout the product. While roller mills are common for very thick, waxy ointments, a colloid mill is often preferred for lower-viscosity formulations or when in-line continuous processing is needed.
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