![]() How RAM Solves High Viscosity Mixing Challenges Cleanup: often overlooked as mere overhead, the labor, materials, transportation, and disposal costs are not insignificant, particularly if the mixing system used produces high rates of wasted batches, For which all the clean-up materials and products must also be considered waste.If viscosity increases over time, the mixing equipment must be designed to manage any such viscosity change. Viscosity Profile: it is important to understand the viscosity profile, specifically the maximum, as viscosity may change during the mixing cycle.This additional engineering effort exacerbates upfront development costs and time to the mixer selection and fabrication process, increasing costs for users. Manufacturers must ensure the drive components and agitators are properly designed to ensure safe and continuous operations. These mixers endure a great deal of mechanical stress during operation, and must be engineered to withstand these forces. Scalability: scale-up from the lab to production is more difficult with high viscosity materials.To achieve the requisite homogeneity, some manufacturers add viscous ingredients more slowly or stop the mixing operation to manually mix the material within the tank– both of which significantly lengthen cycle times and risk low quality results. This is a big problem for some manufacturers, specifically within the pharmaceutical industry, that relies on uniform dispersion of the Active Pharmaceutical Ingredients (API) throughout the product. Due to their resistance to flow, viscous mixes are at risk of localized mixing near and around the impeller, causing “dead spots” within the tank where minimal mixing occurs. ![]()
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