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Plastic Raschig Ring

Plastic Raschig Ring

Plastic Raschig Ring

NAIKE Plastic Raschig rings are pieces of the tube (approximately equal in length and diameter) used in large numbers as a packed bed within columns for Distillations and other chemical engineering processes. It provides a large surface area within the volume of the column for interaction between liquid and gas or vapour. Raschig rings are named after their inventor, the German chemist Friedrich Raschig.


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Parameters of Plastic Raschig Ring



D×H×δ mmSpecific area m2/m3Void Rate %Bulk Number g/m3Package Density (kg/m3)F factor m-1
25*25*1.021090485008886
50*50*1.51059265006592


Performance/MaterialPEPPRPPPVCCPVCPVDF
Density(g/cm3)0.94-0.960.89-0.910.93-0.941.32-1.441.50-1.541.75-1.78
Operation Temp(℃)90>100>120>60>90>150
Chemical Corrosion resistanceGoodGoodGoodGoodGoodGood
Compression Strength(MPa)>6.0>6.5>7.0>6.0>8.0>10.0


Advantages of Plastic Raschig Ring


  • High Void Ration

  • Low Pressure Drop

  • Low mass-transfer unit height

  • High flooding point

  • Small specific gravity

  • High mass transfer efficiency



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