Sartorius, 11803--50------N, Hydrophobic PTFE Membrane Filters / Type 11803

The hydrophobic PTFE membrane filters are made of polytetra-fluorethylene (PTFE) only and are therefore permanently hydrophobic. Unlike hydrophilic filter types, they are not wetted by air humidity.

The main application of these membrane filters ist the filtration of air, gases and chemicals. PTFE membrane filters have an excellent chemical compatibility (pH 1 to 14), so that they are also used for the filtration of solvents and acids, to which other filter types are not resistant.

Specifications
Applications:
Application: Solvent Filtration; Solvent Filtration-mixtures; Clarification
Application Area: Venting; Moisture barrier; Particle analysis

Dimensions:
Dimensions: N/A
Filter Diameter: ⌀ 50 mm
Membrane Thickness: 100 µm

General Specifications:
Filter Format: Discs
Filter Paper/Membrane Color: White
Flow Rate: 86 mL/min/cm²/bar (isopropanol)
Grade: 11803
Membrane Color | Grid Color: white (w/o grid)

Materials of Construction:
Filter Material: Polytetrafluorethylene (PTFE), hydrophobic
Membrane Material: Polytetrafluorethylene (PTFE)

Physicochemical Information:
Bubble Point: Too coarse-pored
Pore Size: 1.2 µm
Retention Rate: N/A
Wettability: Hydrophobic

Product Information:
Filter Type: Membrane Filters
Pack Size: 100
Packaging: Non-sterile, bulk packed

Sterility/Purity:
Delivery Condition: Non-Sterile

Usage Protocols:
Sterilization Procedures: By autoclaving at 121 °C or 134 °C; Ethylene oxide