Membrany z wwPTFE (water wettable)
Membrana kompatybilna chemicznie z roztworami wodnymi i agresywnymi rozpuszczalnikami
wwPTFE membrane disc filters, a Pall Life Sciences product, deliver chemical compatibility for aqueous solutions and aggressive solvents.


Maximum versatility. Filters aqueous solutions or aggressive chemicals.
Low protein binding membrane gives high recovery of critical proteinaceous samples.
HPLC certified. Provides assurance that the filter will not add artifacts to your analysis.
Low API adsorption.
Membrany z wwPTFE (water wettable)
Filter Media
Hydrophilic polypropylene

Pore Size
0.2 and 0.45 µm

Typical Thickness
0.2 µm: 101 µm (4.0 mils)
0.45 µm: 114 µm (4.5 mils)

Typical Water Flow RatemL/min/cm2 at 0.7 bar (70 kPa, 10 psi)
0.2 µm: 20
0.45 µm: 31

Maximum Operating Temperature
55°C (131°F)

Minimum Bubble Point - IPA
0.2 µm: 1 bar (100 kPa, 14.5 psi)
0.45 µm: 0.63 bar (63 kPa, 9.1 psi)

Applications
Our number-one choice for filtering HPLC mobile phases
Available in 0.2 μm for UHPLC
Suitable for pharmaceutical HPLC applications

Performance
wwPTFE Membrane is Virtually a Universal Membrane for All Applications

PTFE
Proteinaceous: -
General Aqueous: -
Non-Aggressive Organic: ++
Aggressive Organic: ++

PVDF
Proteinaceous: ++
General Aqueous: ++
Non-Aggressive Organic: +
Aggressive Organic: -

Nylon
Proteinaceous: +*
General Aqueous: ++
Non-Aggressive Organic: +
Aggressive Organic: -

++ Recommended
+ Suitable
- Not Recommended
* Dependent on protein type and concentration
Product Product Name Removal rating
60548 wwPTFE 0.45UM 47MM DISC 50/PK 0.45 µm
60539 wwPTFE 0.2UM 47MM DISC 50/PK 0.2 µm
60547 wwPTFE 0.45UM 25MM DISC 100/PK 0.45 µm
60551 wwPTFE 0.45UM 90MM DISC 75/PK 0.45 µm
60550 wwPTFE 0.45µm 50MM DISC 50/PK 0.45 µm
60542 wwPTFE 0.2UM 50MM DISC 50/PK 0.2 µm
60538 wwPTFE 0.2UM 25MM DISC 50/PK 0.2 µm