High-quality membranes on rolls, packaged dryTreated with glycerine to protect against embrittlementVery low membrane adsorption (e.g. 1 µg/cm2 bovine serum albumin)Good resistance to chemicalsContain low quantities of trace elements, sulphides and heavy metalsWall thickness: 20–50 µmAutoclavable up to 121 °C (max. 10 min at 1 bar, immersed in distilled water)