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Cation-Exchange Membrane "RP" for Base Dialysis

Cation-Exchange Membrane "RP" for Base Dialysis
Product specification THOMAPOR ® -membranes "RP" for base dialysis are produced... more

Product specification

THOMAPOR®-membranes "RP" for base dialysis are produced by grafting a cation-exchange monomer on a special low-pressure polyethylene. The introduction of these small chain segments in the polyethylene framework renders the membrane hydrophilic.

THOMAPOR®-membranes "RP" have a low resistivity in alkaline media. They are suited for recovery of sodium hydroxide out of viscose solutions. The support film consists of HDPE (high density polyethylene). The graft type is weakly cationic.

Electrodialysis membranes have always to be kept wet and should be stored in a 3 % NaCl solution in a cool and dark place.

Technical specification

Resistivity: <20 m x Ohm/inch2 (related to a 40 % potassium hydroxide solution at +20 °C)

Dialysis NaOH flow: 4.3 x 10-4 eq./min/inch2 (related to a 17 % NaOH solution at +20 °C)

Width extension: 2.4 % (related to a 17 % NaOH solution at +20 °C)

Length extension: 6.8 %

No additional information available.
Item Image Thickness
0,03 30 x 30 1 110.00