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CASCADE MINI-RINGS® Random Packing (CMR Random Packing)

In 1971, a new approach was taken to the slotted ring packing concept with the introduction of CASCADE MINI RINGS® or CMR high-performance random packing. CMR random packing utilizes an aspect ratio of 1:3 (height of the cylinder is 1/3 of the diameter). As a result, the packing elements preferentially orient themselves with the cylindrical axis tending towards vertical. This preferential orientation better exposes both the interior and exterior surfaces of the rings to the liquid and vapor, providing more efficient use of the packing surface. At the same time, this orientation allows a less restricted flow for the vapor, resulting in increased capacity while reducing pressure drop.