Amandus Kahl offers their Gentle Vacuum Coater GVC 1000, designed for vacuum coating or vacuum infusion processes. During these processes, liquids can be introduced in a feed crumble (extrudate, expandate, pellet, etc.) or petfood kibble in a way that they are protected against degradation by the surrounding environment.Abrasion of the product inside the traditional coaters and mechanical impact due to the fast rotating mixing elements result in an increased amount of fines. Additionally, the mechanical impact promotes micro cracks, which act as weak spots. The Gentle Vacuum Coater is designed as a rotary drum mixer with no moving parts inside the mixing chamber. Tests showed a significantly decreased amount of fines in comparison with twin shaft mixers.

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