The next stage in the production of ointments is homogenization. This is a specific stage, since when mixing, the desired degree of dispersion of medicinal substances is not always achieved. For homogenization, various equipment is used, such as roller or disc masers, millstones and colloidal mills, as well as homogenizers-dispersants. Roller mazeterki have two or three rolls with a smooth surface, rotating towards each other at different speeds, ensuring the transition of ointment from shaft to shaft and increasing the friction between them. Rolls are made of porcelain, basalt or metal. To maintain the optimal temperature of the ointment entering the rolls, they are made hollow so that, if necessary, water can be supplied inside. Mazeterka is a system of three rolls in contact with...
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