PTFE membrane filters are naturally hydrophobic with excellent chemical resistance, making them the ideal choice for sterile venting of gases*, non-aqueous solvents, acids, and aggressive fluids.
* For aqueous solutions, PTFE must be pre-wetted with a solvent such as isopropyl alcohol or ethanol.
Pore size quick reference chart
|Analysis of mold, fungi and yeast, stabilization of fermented product, clarification and prefiltration||Analysis of bacteria, sterility testing, clarification and prefiltration||
Sterilization, sterility testing, “final filtration”
|Reduction of mycoplasma, ultracleaning|
PFTE membrane materials reference
|Application||Material properties||Flow rate||Throughput||Extractables||Autoclave||Protein binding|
|High to very high||High||Very low||Yes||Very low|
Select the best PFTE membrane for your application
To find the membrane you need, select one of the column categories to sort the products. You can also search to find your membrane. The "Select" button will direct you to the product specifications.
|Catalog #||Pore Size||Volume||Format|
|223-0030||0.2μm||≤10000mL||Vent Filter/Capsule Filter||Select|
California Proposition 65 Warning: Products manufactured with polycarbonate (PC), polyethylene terephthalate (PET), polyethylene terephthalate glycol (PETG) or polystyrene (PS) contain chemicals known to the State of California to cause cancer, birth defects or other reproductive harm.