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PTFE Pall Ring – Superior Temperature and Corrosion Resistance

Six ptfe pall ring on the blue background with five lying and one standing.

PTFE pall ring has excellent corrosion and temperature resistance performance.

PTFE (F4, Polytetrafluoroethylene) is a kind of plastic, which has following features:

  • High temperature resistance. Maximum working temperature is up to 200 to 260 °C for long term application.
  • Low temperature resistance. Working temperature is lower to -100 °C.
  • Corrosion resistance. Resistance to aqua regia and all organic solvents.

PTFE pall ring, also called polyutetrafluoroethylene pall ring, teflon pall ring, is made of 100% pure PTFE. It is a kind of special plastic random packing for special working environments and applications. PTFE pall ring has more stable chemical performance and high temperature resistance performance than other plastic pall ring.

Table 1: Popular Specifications of PTFE Pall Ring
Item Size Bulk Density
(kg/m3)		 Bulk Quantity
(pcs/m3)		 Surface Area
(m2/m3)		 Voidage
(%)
PTPR-01 20 × 20 × 2 522 110000 267 92.8
PTPR-02 25 × 25 × 2 423 56000 219 93.4
PTPR-03 38 × 38 × 2 368 14000 165 94.6
PTPR-04 50 × 50 × 2 390 6500 113.5 94.9
PTPR-05 65 × 65 × 2 480 4600 84 94.8
PTPR-06 76 × 76 × 2 328 1850 73 92

Features:

  • Low pressure drop.
  • Large voidage.
  • Large flux.
  • High mass transfer efficiency.
  • Low energy consumption.
  • Excellent distribution in tower packing.
  • Optional temperature range. From -100 °C to 260°C.

Applications

PTFE pall ring has wide range of applications in absorption and desorption tower, ammonia plant decarburization system, desulphurization system, ethylbenzene separation, iso-octane separation, etc.

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Boegger Industech Limited
E-mail: summer@randompacking.org

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