The Syringe Filter produced by Aijiren has a hydrophilic membrane made of PES. PES not only has extremely low protein binding and high flow characteristics, but also has passed ion chromatography certification. Polyethersulfone is more heat-resistant than most membranes and can be used up to 100°C. PES filter membrane can be used for: strong bases, alcohols, proteins, peptides. Do not use with: acids, ketones, esters, halogenated hydrocarbons or aromatic hydrocarbons.