Polycarbonate Track Etch Syringe Filters, 0.4um, 293mm, Nonsterile, 20/Pk
GVS SKU: 1215317

Featuring a thin, microporous polycarbonate track etched (PCTE) film with precisely defined cylindrical pores, this hydrophilic 0.4um membrane disc delivers exact surface capture across its full 293mm diameter. The polycarbonate film is treated with polyvinylpyrrolidone (PVP) to render the naturally hydrophobic polymer hydrophilic, so it wets readily in water and aqueous solutions. Each membrane is white, not gridded, supplied nonsterile, and packaged 20 per pack.

Key Polycarbonate Track Etch Membrane Characteristics

• Hydrophilic surface produced by a PVP wetting agent treatment, allowing spontaneous wetting in aqueous fluids.
• Precise, uniform cylindrical pores formed by the track etch process capture particles larger than the 0.4um pore size on a smooth, flat surface.
• Low protein binding supports clean recovery and consistent results.
• Thin, translucent film resists chemical staining to ease microscopic visualization of captured samples.
• Superior mechanical strength maintains pore size and density under load.

Key Construction Characteristics

• Membrane material is polycarbonate track etch (PCTE) with a 0.4um pore size.
• Disc diameter of 293mm, white in color and not gridded.
• Membrane thickness of 0.005 to 0.02mm.
• Supplied nonsterile, 20 discs per pack.
• Withstands a maximum operating temperature of 140 degrees C and is autoclavable.

The track etch structure provides one of the most precise pore size distributions available in a membrane filter, ensuring reliable particle sizing and surface capture. The smooth, planar surface and low extractables help preserve sample integrity for analytical work. These characteristics make the membrane well suited to high-purity and general laboratory filtration where consistent, repeatable results matter.

Diameter

293mm

Grid (Yes/No)

No

Material

Polycarbonate Track Etch (PCTE)

Maximum Operating Temperature (°C)

140

Membrane Color

White

Membrane Thickness (µm)

0.005 to 0.02mm

Pack Count

20

Pore Size (µm)

0.4

Sterility

Nonsterile

Sterilization

Autoclavable

Wettability

Hydrophilic

• Sample Clarification Removes particulates from aqueous solutions across the full 293mm disc area for clean downstream analysis.
• Microscopy Sample Preparation Captures particles on a smooth, flat surface ideal for optical and electron microscope observation.
• Particle Analysis Precise, uniform 0.4um pores support accurate particle sizing and surface capture.
• Blood and Cellular Assays Hydrophilic, low protein binding film suits removal of cells from plasma and flow control of reagents.
• High-Purity General Filtration Low extractables and resistance to chemical staining promote consistent, contaminant-free results.
• Environmental Sample Prep Thin track etched film provides clean capture for water and aqueous environmental testing.