Syringe filters, labeled, CHROMAFIL Xtra H-PTFE, 25 mm, 0.45 m

Inside the syringe filter a hydrophilized polytetrafluoroethylene is used as membrane material. The H-PTFE membrane is hydrophobic with additional hydrophilic characteristic . This product is very resistant towards all kinds of solvents as well as acids and bases. Labeled for method validation and certification. All CHROMAFIL filters are autoclavable (121 °C and 1.1 bar for 30 min)!


Technical Data


Hazardous material No
Method Filtration
Type Syringe filter, labeled
Housing type Wheel-like shaped housing
Hardware Polypropylene (PP) housing with filter membrane
Membrane type Hydrophilized polytetrafluoroethylene (H-PTFE)
Membrane properties Hydrophilic
Membrane diameter 25 mm
Membrane pore size 0.45 µm
Code type Labeled
Color code (top) Labeled
Color code (bottom) Colorless
Inlet Luer lock (top)
Outlet Luer tip (bottom)
Sample volume 5-100 mL
Recommended application(s) Polar and nonpolar solutions, Resistant towards all kinds of solvents as well as acids and bases, Suitable for HPLC columns packed with particles > 3 µm, GC, SFC
Sterile No
Binding capacity (proteins) Moderate–high
Dead volume 80 µL
Filtration area 4.91 cm²
Storage temperature RT


Download link

Download Brochure CHROMAFIL Xtra (English)


Download Catalog Filtration (EN)