Plastic Cascade Mini Ring with good Fouling Resistance

Plastic cascade mini ring is a type of high performance plastic random packing. Its vertical axis orientation allows more fluids to pass through the cylinder. Solids are easily washed away by the fluids. Therefore, plastic cascade mini ring has good fouling resistance. It is characterized by low aspect ratio, good corrosion resistance and excellent separation effect. Plastic cascade mini ring has larger capacity and higher efficiency than plastic pall ring.

This type of tower packing can be made from various corrosion resistant materials, such as polypropylene, polyethylene and polyvinyl chloride. Compared with metal cascade mini ring, it has better corrosion resistance and lower costs. Plastic cascade mini ring is fit for the desulfurization, decarbonization and crude oil separation system. It is widely used in absorption, extraction, scrubbing, stripping and heat transfer applications.

A plastic cascade mini ring on a blue background.

PCMR-01: The unique conical edge design effectively increases the void rate among the random packings in the packed bed.

There are two plastic cascade mini rings. The left one shows its back side, the right one shows its front side.

PCMR-02: Plastic cascade mini rings have good fouling resistance and high mass transfer efficiency.


  • Materials: PE (polyethylene), PP (polypropylene), RPP (reinforced polypropylene), PVC (polyvinyl chloride), CPVC (chlorinated polyvinyl chloride) and PVDF (polyvinylidene fluoride).
  • package: plastic bags, cartons.
Table 1: The Technical Parameter of Plastic Cascade Mini Ring
Item Size
Surface Area
Voidage Bulk Number
Bulk Density
Dry Packing Factor
PCMT-01 16 × 8.9 × 1 370 85% 299136 135.6 602.6
PCMT-02 25 × 12.5 × 1.2 228 90% 81500 65 312.8
PCMT-03 38 × 19 × 1.2 132.5 91% 27200 54 175.8
PCMT-04 50 × 25 × 1.5 114.2 92.7% 10740 43 143.1
PCMT-05 76 × 37 × 2.6 90 92.9% 3420 44 112.3


  • Large capacity.
  • Fouling resistance.
  • Low pressure drop.
  • High mechanical strength.
  • Strong corrosion resistance.


  • Suitable for methanol and organic acids separation.
  • Applied in desulfurization and decarbonization system.
  • Applied in absorption, extraction, scrubbing, stripping and heat transfer.
  • Used in gas dehydration, methane and carbon dioxide removal, etc.
  • Applied in carbon dioxide degassing towers, ozone exposure reaction towers, vacuum distillation towers and other reaction towers.

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Boegger Industech Limited

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