PES Membrane Disc Filters, 0.8um, 25mm, Nonsterile, White, 100/Pk
GVS SKU: 1214604

Featuring a strong, microporous asymmetric polyethersulfone (PES) membrane, this 25mm disc filter delivers fast, reliable particulate removal at a 0.8um pore size. The membrane is cast from a high-temperature polyethersulfone polymer that is acid and base resistant, and it is naturally hydrophilic so it wets out without added surfactants that could interfere with sensitive analyses. The plain, white, non-gridded disc is supplied nonsterile in a pack of 100.

Key Polyethersulfone (PES) Membrane Characteristics

• Naturally hydrophilic: wets out evenly without wetting agents, eliminating extractables that could compromise results.
• Low protein and drug binding: a uniform pore structure maximizes recovery of critical proteins and drugs.
• Acid and base resistant: the high-temperature polyethersulfone polymer provides broad chemical compatibility.
• Low extractables: inert media keeps test results free from leachable interference.
• Fast flow and high throughput: the asymmetric structure supports reliable, reproducible filtration across a range of samples.

Key Construction Characteristics

• Membrane material: polyethersulfone (PES), 0.8um pore size.
• Diameter: 25mm disc with a plain surface.
• Color and grid: white, not gridded.
• Sterility and pack: nonsterile, supplied 100 per pack.
• Temperature: withstands temperatures up to 135C.

This disc maintains consistent particulate removal and sample integrity across general filtration tasks, from aqueous solutions to chemically aggressive media. Its low-binding, low-extractables construction protects the recovery of valuable analytes, while the durable PES membrane stands up to aggressive handling and automated equipment. The result is dependable, reproducible performance run after run.

Diameter

25mm

Grade

Plain

Grid (Yes/No)

No

Material

Polyethersulfone (PES)

Maximum Operating Temperature (°C)

135

Membrane Color

White

Pack Count

100

Pore Size (µm)

0.8

Sterility

Nonsterile

Wettability

Hydrophilic

• Sample Clarification Removes particulates from aqueous solutions and reagents during routine general filtration.
• Protein and Enzyme Filtration Low protein and drug binding maximizes recovery of valuable proteins and enzymes.
• Biological Fluid Filtration Processes serums and biological fluids with reliable, fast flow and high throughput.
• Environmental Water Studies Clarifies environmental water samples ahead of downstream analysis.
• Pharmaceutical Sample Prep Handles acids, bases, and fine chemicals thanks to broad PES chemical compatibility.
• Prefiltration The 0.8um rating protects finer downstream membranes from heavier particulate loads.