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Wilmad-LabGlass LG-6740-102 Raschig Rings for Distilling Column Packing, 7mm O.D. x 7mm Length: Amazon.com: Industrial & Scientific
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High Quality 40mm High Borosilicate Glass Raschig Ring for Distilling Tower Packing - China Glass Raschig Ring, Glass Packing | Made-in-China.com
![Schematic overview of a packing model of Raschig rings and boundary... | Download Scientific Diagram Schematic overview of a packing model of Raschig rings and boundary... | Download Scientific Diagram](https://www.researchgate.net/publication/339127005/figure/fig3/AS:867885719232525@1583931488807/Schematic-overview-of-a-packing-model-of-Raschig-rings-and-boundary-conditions-used-in.png)