Nylon Membrane Filter Discs, 0.45um, 90mm, Nonsterile, White, 25/Pk
GVS SKU: 1213778

Featuring a naturally hydrophilic nylon 66 (PA6.6) membrane internally supported by an inert polyester web, these 90mm filter discs deliver dependable particulate removal and sample clarification at a 0.45um pore size. The supported construction provides dimensional strength and stability that prevents cracking, tearing, curling, and breaking, even during aggressive handling or use with automated equipment. Supplied nonsterile in plain white, not gridded, in a convenient pack of 25.

Key Nylon Membrane Characteristics

• Naturally hydrophilic: wets out evenly with water and aqueous solutions, eliminating the need for wetting agents that can interfere with biological processes.
• Polyester-supported structure: an internal inert polyester web adds dimensional strength and stability for resistance to cracking, tearing, curling, and breaking.
• Low extractables: contributes to clean, consistent results across analytical and chromatographic workflows.
• Broad chemical compatibility: resists most organic solvents while remaining unsuitable for strong acids and bases.
• High binding capacity: a nucleic acid binding capacity of approximately 350 ug/cm makes the membrane suitable for molecular biology transfer applications.

Key Construction Characteristics

• Membrane material: nylon 66 (PA6.6) with an internal polyester support web.
• Format: 90mm diameter disc, plain white, not gridded.
• Pore size: 0.45um nominal.
• Sterility: nonsterile, autoclavable and heatable up to 180C (356F).
• Pack: 25 discs per pack.

This membrane maintains its integrity through repeated handling and sterilization while delivering uniform flow and reliable retention. The combination of natural hydrophilicity, low extractables, and a durable supported structure helps preserve sample integrity and produce reproducible results in demanding laboratory filtration.

Binding Capacity

350 µg/cm²

Color

White

Diameter

90mm

Grade

Plain

Grid (Yes/No)

No

Incompatibility

Strong acids and bases

Material

Nylon 66 (PA6.6)

Maximum Operating Temperature (°C)

180

Membrane Color

White

Pack Count

25

Pore Size (µm)

0.45

Sterility

Nonsterile

Sterilization

Autoclavable up to 180°C (356°F)

Support Material

Polyester

Wettability

Hydrophilic

• HPLC Sample Preparation Clarifies aqueous, solvent, and mobile phase samples prior to chromatographic analysis for cleaner injections and protected columns.
• Sample Clarification Removes particulates from aqueous and organic solvent solutions to improve downstream measurement accuracy.
• Solvent and Mobile Phase Filtration Filters HPLC solvents and mobile phases, leveraging broad compatibility with most organic solvents.
• Molecular Biology Transfers Supports Southern and Northern blotting and nucleic acid immobilization through high binding capacity of approximately 350 ug/cm.
• General Laboratory Filtration Provides durable, low-extractable filtration for routine aqueous and alcoholic samples without wetting agents.
• Particulate Removal Captures fine particulate contamination from process and analytical fluids to protect instruments and downstream membranes.