Raschig rings made of soda lime glass (packed per 20 litre) - Hilgenberg GmbH
SS304 SS316 Metal Raschig Rings Packing for Distillation Column - China Metal Raschig Ring, 38 Raschig Ring Packing | Made-in-China.com
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Ballast, Paul, Pall, Raschig Rings – Otter Supply
Carbon raschig rings - MTE Group | Improving mass transfer