Table II.

General classifications and typical performance of membranes used in dialysis

Dialyzer type	Water permeabilitya	Sieving coefficientb
	(mL/ (m2*h*mmHg))	ß2-Microglobulin	Albumin
Low-flux	10–20	–	<0.01
High-flux	200–400	0.7–0.8	<0.01
Protein-leaking	50–500	0.9–1.0	0.02–0.03
High cut-off	1100	1.0	0.2
Medium cut-off	600–850	1.0	0.008

^awith 0.9% wt.-% sodium chloride at 37°C ± 1 ° C and QB 100–500 mL/min.

^baccording to EN1283.