High-Flow Hydrophilic Membrane for Sterile & Industrial Filtration
Filter Media: Hydrophilic PES Membrane
Diameter(mm): 13, 25, 47, 50, 60, 90, 142
Pore Size(μm): 0.1, 0.22, 0.45, 0.65, 0.8, 3.0, 5.0
Availability: In Stock
PES Membrane Filter (Polyethersulfone)
Description
Overview
PES (Polyethersulfone) membrane filters are high-performance hydrophilic filtration media designed for critical laboratory, pharmaceutical, and industrial applications.
They are engineered for:
- Sterile-grade liquid filtration
- High-throughput bioprocess workflows
- Low-protein-binding biological sample processing
- Scalable industrial and OEM supply chains
This product line is designed not for single lab use – but for validated, repeatable, regulated production environments.
Core Value Proposition
Predictable Filtration Performance
Consistent pore structure ensures reproducible batch performance in regulated environments.
Industry-Leading Flow Rate
Asymmetric membrane structure enables significantly higher throughput than nylon, PVDF, or MCE.
Ultra-Low Protein Adsorption
Critical for biologics, enzymes, vaccines, and protein-sensitive solutions.
Hydrophilic by Nature
No wetting agents required – ready for direct aqueous filtration.
GMP-Compatible Supply Chain
Designed for regulated pharmaceutical and biotech manufacturing environments.
Technical Specification (Engineering-Level Table)
| Parameter | Specification |
| Material | Polyethersulfone (PES) |
| Structure | Asymmetric hydrophilic membrane |
| Filtration Mechanism | Surface + depth hybrid filtration |
| Pore Sizes | 0.1 / 0.22 / 0.45 / 0.65 / 0.8 / 3.0 / 5.0 μm |
| Diameters | 13 / 25 / 47 / 50 / 60 / 90 / 142 mm |
| Flow Rate | High (optimized pore architecture) |
| Protein Binding | Extremely low |
| Compatibility | Aqueous solutions, buffers, biological media |
| Sterilization | EO / Gamma / Autoclave (format dependent) |
| Extractables | Low, QC-controlled |
Application Map (Industrial Use Classification)
Biopharmaceutical Manufacturing
- Cell culture media sterilization
- Buffer preparation systems
- API solution filtration
Laboratory & Analytical QA/QC
- Sample clarification prior to HPLC/GC
- Microbial testing workflows
- Batch release filtration
Industrial & OEM Manufacturing
- Large-scale liquid filtration systems
- Consumables integration into production kits
- Private label laboratory product lines
Environmental & Testing Labs
- Water quality filtration
- Field sample preparation
- Suspended particle removal
Competitive Benchmark
PES vs Other Membrane Materials
| Property | PES | Nylon | PVDF | PTFE | MCE |
| Flow Rate | ***** | *** | **** | *** | *** |
| Protein Binding | ***** | *** | **** | **** | *** |
| Hydrophilicity | Native | Moderate | Treated | Hydrophobic | Native |
| Sterile Filtration | Excellent | Good | Excellent | Limited | Good |
| Biologics Suitability | Best | Medium | High | Low | Medium |
Conclusion: PES is the preferred membrane for biologics and sterile aqueous filtration systems.
Scanning Electron Microscope Picture
Product Portfolio
0.1 μm PES Membrane Filters (Ultra Sterile Grade)
| Item Code | Diameter | Package |
| 11167201 | 13(mm) | 400 pcs/pk |
| 11167202 | 25(mm) | 200 pcs/pk |
| 11167203 | 47(mm) | 100 pcs/pk |
| 11167204 | 50(mm) | 100 pcs/pk |
| 11167205 | 60(mm) | 50 pcs/pk |
| 11167206 | 90(mm) | 50 pcs/pk |
| 11167209 | 142(mm) | 50 pcs/pk |
0.22 μm PES Membrane Filters (Industry Standard Sterile Grade)
| Item Code | Diameter | Package |
| 11167213 | 13(mm) | 400 pcs/pk |
| 11167214 | 25(mm) | 200 pcs/pk |
| 11167215 | 47(mm) | 100 pcs/pk |
| 11167216 | 50(mm) | 100 pcs/pk |
| 11167217 | 60(mm) | 50 pcs/pk |
| 11167218 | 90(mm) | 50 pcs/pk |
| 11167221 | 142(mm) | 50 pcs/pk |
0.45 μm PES Membrane Filters (Clarification Grade)
| Item Code | Diameter | Package |
| 11167225 | 13(mm) | 400 pcs/pk |
| 11167226 | 25(mm) | 200 pcs/pk |
| 11167227 | 47(mm) | 100 pcs/pk |
| 11167228 | 50(mm) | 100 pcs/pk |
| 11167229 | 60(mm) | 50 pcs/pk |
| 11167230 | 90(mm) | 50 pcs/pk |
| 11167233 | 142(mm) | 50 pcs/pk |
0.65 μm PES Membrane Filters (Pre-filtration Grade)
| Item Code | Diameter | Package |
| 11167237 | 13(mm) | 400 pcs/pk |
| 11167238 | 25(mm) | 200 pcs/pk |
| 11167239 | 47(mm) | 100 pcs/pk |
| 11167240 | 50(mm) | 100 pcs/pk |
| 11167241 | 60(mm) | 50 pcs/pk |
| 11167242 | 90(mm) | 50 pcs/pk |
| 11167245 | 142(mm) | 50 pcs/pk |
0.8 μm PES Membrane Filters (Coarse Filtration)
| Item Code | Diameter | Package |
| 11167249 | 13(mm) | 400 pcs/pk |
| 11167250 | 25(mm) | 200 pcs/pk |
| 11167251 | 47(mm) | 100 pcs/pk |
| 11167252 | 50(mm) | 100 pcs/pk |
| 11167253 | 60(mm) | 50 pcs/pk |
| 11167254 | 90(mm) | 50 pcs/pk |
| 11167257 | 142(mm) | 50 pcs/pk |
3.0 μm PES Membrane Filters (Debris Removal)
| Item Code | Diameter | Package |
| 11167273 | 13(mm) | 400 pcs/pk |
| 11167274 | 25(mm) | 200 pcs/pk |
| 11167275 | 47(mm) | 100 pcs/pk |
| 11167276 | 50(mm) | 100 pcs/pk |
| 11167277 | 60(mm) | 50 pcs/pk |
| 11167278 | 90(mm) | 50 pcs/pk |
| 11167281 | 142(mm) | 50 pcs/pk |
5.0 μm PES Membrane Filters (Pre-clarification)
| Item Code | Diameter | Package |
| 11167285 | 13(mm) | 400 pcs/pk |
| 11167286 | 25(mm) | 200 pcs/pk |
| 11167287 | 47(mm) | 100 pcs/pk |
| 11167288 | 50(mm) | 100 pcs/pk |
| 11167289 | 60(mm) | 50 pcs/pk |
| 11167290 | 90(mm) | 50 pcs/pk |
| 11167293 | 142(mm) | 50 pcs/pk |
Procurement Decision System
Step 1 – Define Application
- Sterile filtration –22 μm / 0.1 μm
- Clarification –45 μm
- Pre-filtration –65–5.0 μm
Step 2 – Select Diameter
| Diameter | System Type |
| 13–25 mm | Syringe filtration |
| 47–50 mm | Standard lab filtration |
| 60–90 mm | Vacuum filtration |
| 142 mm | Industrial scale filtration |
Step 3 – Compliance Requirement
- GMP production –COA required
- Distribution –OEM packaging recommended
- Research use –standard pack sufficient
OEM / Private Label Supply Program
We support full OEM manufacturing programs:
Private Label Services
- Logo printing
- Custom packaging design
- Barcode labeling for inventory systems
Distributor Supply Chain Support
- Bulk carton export packaging
- Stable SKU mapping system
- Long-term supply agreements
Regulatory Documentation
- COA (Certificate of Analysis)
- Material specification sheets
- Compliance documentation (ROHS / REACH)
Built for global laboratory consumables distributors.
Quality & Manufacturing Control
- Controlled pore structure production
- Batch-to-batch QC verification
- Low extractables manufacturing process
- Clean production environment for lab consumables
- ISO-aligned manufacturing workflow (if applicable)
Ordering & RFQ System
Request for Quotation (RFQ)
We support:
- Bulk pricing for distributors
- OEM/private label projects
- Sample evaluation for validation
- Long-term procurement contracts
Typical customers: procurement teams, distributors, OEM brands. Contact Sales Engineer.
FAQ
What makes PES better for sterile filtration?
PES offers higher flow rate and lower protein binding, making it ideal for biologics and sterile aqueous filtration.
Is PES suitable for GMP manufacturing?
Yes. It is widely used in pharmaceutical and biotech production environments.
Can PES membranes be supplied in bulk?
Yes. We support industrial-scale bulk supply and OEM distribution programs.
What is the standard pore size for sterile filtration?
0.22 μm is the industry standard for sterile filtration.
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