Nylon Membrane Filter

Technical Overview

Nylon Membrane Filter is a hydrophilic microporous filtration membrane manufactured from high-purity nylon polymer using a controlled phase inversion process.

It is designed for laboratory filtration, HPLC sample preparation, environmental analysis, and general analytical chemistry applications where consistent particle retention, high flow rate, and mechanical durability are required.

Unlike hydrophobic membranes, Nylon Membrane Filter exhibits natural wettability, allowing direct use with aqueous solutions without pre-wetting.

This makes it suitable for high-throughput laboratory environments requiring fast, reproducible filtration performance.

Material Science & Structural Properties

Nylon Membrane Filter is based on a uniform polymer network structure that forms interconnected micropores during controlled manufacturing.

Key structural characteristics:

• Hydrophilic surface energy enabling immediate water wetting
• Asymmetric microporous structure for optimized flow rate
• High tensile strength supporting vacuum and pressure filtration
• Controlled pore size distribution for reproducible retention

The combination of mechanical stability and hydrophilicity makes Nylon Membrane Filter suitable for routine analytical workflows.

Performance Characteristics

Nylon Membrane Filter provides a balanced combination of filtration efficiency and mechanical performance.

Filtration performance:

• High flow rate in aqueous systems
• Stable particle retention across full pore size range
• Low pressure drop during vacuum filtration
• Consistent batch-to-batch reproducibility

Mechanical performance:

• High tensile strength compared with cellulose-based membranes
• Resistant to tearing during handling and assembly
• Suitable for standard laboratory filtration assemblies

Chemical performance:

• Compatible with water-based solutions
• Compatible with alcohols and mild organic solvents
• Limited compatibility with strong acids and aggressive solvents

Nylon Membrane Filter vs Other Membrane Materials (Technical Comparison)

Material selection in membrane filtration is determined by chemical compatibility, surface properties, and analytical requirements.

Nylon Membrane Filter vs PTFE Membrane Filter

PTFE membranes are chemically inert and suitable for aggressive solvents, acids, and gases. However, they are inherently hydrophobic and require wetting agents for aqueous filtration.

Nylon Membrane Filter, in contrast, is naturally hydrophilic and optimized for aqueous and mixed solvent systems with superior flow efficiency.

Technical conclusion:

• PTFE = chemical resistance priority
• Nylon = aqueous filtration performance priority

Nylon Membrane Filter vs PES Membrane Filter

PES membranes are designed for biological and sterile applications due to extremely low protein binding characteristics.

Nylon Membrane Filter provides higher mechanical strength and broader solvent compatibility but exhibits moderate protein adsorption.

Technical conclusion:

• PES = biological & protein-sensitive systems
• Nylon = analytical & general laboratory filtration

Nylon Membrane Filter vs PVDF Membrane Filter

PVDF membranes are widely used in biochemical applications due to their balanced surface properties and low protein binding.

Nylon Membrane Filter provides higher flow rates and stronger mechanical integrity in aqueous filtration systems.

Technical conclusion:

• PVDF = biomolecule-sensitive filtration
• Nylon = high-throughput analytical filtration

Nylon Membrane Filter vs MCE Membrane Filter

MCE membranes are cellulose-based materials primarily used in microbiological analysis and colony growth applications.

Nylon Membrane Filter is optimized for chemical and analytical filtration rather than microbial recovery.

Technical conclusion:

• MCE = microbiological testing
• Nylon = analytical chemistry & HPLC filtration

Application Engineering Overview

Nylon Membrane Filter is used across multiple laboratory and industrial analytical processes.

Analytical Chemistry

• HPLC sample preparation
• Mobile phase filtration
• Reagent clarification

Environmental Analysis

• Water quality testing
• Suspended solid analysis
• Sample pre-filtration

Pharmaceutical QC

• Buffer filtration
• Raw material testing
• Analytical sample preparation

Food & Beverage Testing

• Liquid clarification
• Additive analysis
• Quality control testing

Filtration Range & Pore Size Functionality

Nylon Membrane Filter is available in multiple pore sizes to support different filtration requirements.

Technical Specifications

Manufacturing & Quality Control

Each batch of Nylon Membrane Filter is produced under controlled manufacturing conditions to ensure:

• Consistent pore size distribution
• Uniform membrane thickness
• Stable filtration performance
• Traceable batch quality documentation

Quality inspection includes flow rate testing, bubble point testing, and visual integrity inspection.

Scanning Electron Microscope Picture

Ordering Information (Structured SKU System)

Nylon Membrane Filter is available in multiple pore size and diameter combinations to meet different laboratory and industrial requirements.

0.1 μm Nylon Membrane Filter

• 13 mm – 400 pcs/pk – Cat# 11137201
• 25 mm – 200 pcs/pk – Cat# 11137202
• 47 mm – 100 pcs/pk – Cat# 11137203
• 50 mm – 100 pcs/pk – Cat# 11137204
• 60 mm – 50 pcs/pk – Cat# 11137205
• 90 mm – 50 pcs/pk – Cat# 11137206
• 142 mm – 50 pcs/pk – Cat# 11137207
• 293 mm – 50 pcs/pk – Cat# 11137210

0.22 μm Nylon Membrane Filter

• 13 mm – 400 pcs/pk – Cat# 11137212
• 25 mm – 200 pcs/pk – Cat# 11137213
• 47 mm – 100 pcs/pk – Cat# 11137214
• 50 mm – 100 pcs/pk – Cat# 11137215
• 60 mm – 50 pcs/pk – Cat# 11137216
• 90 mm – 50 pcs/pk – Cat# 11137217
• 142 mm – 50 pcs/pk – Cat# 11137218
• 293 mm – 50 pcs/pk – Cat# 11137221

0.45 μm Nylon Membrane Filter

• 13 mm – 400 pcs/pk – Cat# 11137223
• 25 mm – 200 pcs/pk – Cat# 11137224
• 47 mm – 100 pcs/pk – Cat# 11137225
• 50 mm – 100 pcs/pk – Cat# 11137226
• 60 mm – 50 pcs/pk – Cat# 11137227
• 90 mm – 50 pcs/pk – Cat# 11137228
• 142 mm – 50 pcs/pk – Cat# 11137229
• 293 mm – 50 pcs/pk – Cat# 11137232

0.8 μm / 3.0 μm / 5.0 μm Nylon Membrane Filter

(Pre-filtration & coarse filtration applications)

• 0.8 μm: Cat# 11137234–11137243
• 3.0 μm: Cat# 11137245–11137254
• 5.0 μm: Cat# 11137256–11137265

Each configuration is supplied with standardized packaging for laboratory and industrial use.
Download PDF Datasheet

Technical Conclusion

Nylon Membrane Filter is a general-purpose hydrophilic membrane engineered for analytical and laboratory filtration systems.

It provides a balanced combination of:

• Hydrophilicity for aqueous compatibility
• Mechanical strength for vacuum filtration
• Broad application coverage across analytical workflows

It is most suitable for laboratories requiring a reliable, high-throughput membrane for routine analytical and HPLC-related filtration processes.

Frequently Asked Questions (FAQ)

Why Choose Hawach Nylon Membrane Filter?

• Consistent pore structure for reproducible results
• High mechanical strength for vacuum filtration systems
• Wide range of pore sizes and diameters
• Suitable for HPLC, QC, environmental and research laboratories
• OEM customization and bulk supply available
• Strict quality control with batch traceability

For bulk orders, OEM customization, or technical support on Nylon Membrane Filter selection, please contact our technical team for detailed specifications and sampling support.