Hydrophobic membrane for nonpolar liquids and gases. Very resistant towards all kinds of solvents as well as acids and bases. Flushing with alcohol, followed by water, makes the originally hydrophobic membrane more hydrophilic. - Membrane material: PTFE. - Labelled for method validation and certification. Hydrophobic membrane for nonpolar liquids and gases. Very resistant towards all kinds of solvents as well as acids and bases. Flushing with alcohol, followed by water, makes the originally hydrophobic membrane more hydrophilic. - Membrane material: PTFE. - Labelled for method validation and certification.