PTFE Pall Ring is a kind of special plastic random packing designed to serve special working environment and applications. PTFE has very stable chemical performance, and hardly makes reaction with any acid and alkali. PTFE Pall ring can be used stably in the temperature of -260 to -100 centigrade thermometer.
Pall ring is the earliest tower packing in the history, and has fixed geometry ring packing. Pall rings are used in large numbers as a packed bed within columns for distillations and other chemical engineering processes. Features are that equal in length and diameter.
PTFE Pall Ring Specification
SpecificationDiameter x height x wall thickness
mmSpecific area
m2/m3Voidage
%Bulk number
per/m3Dry filling factor
m-1Dg1616x16x1.018891171000275Dg2525x25x1.21759053500239Dg3838x38x1.41158913700220Dg5050x50x1.593906500127Dg7676x76x2.67392176594