Key Properties of PTFE Membrane Filters
- Chemical Resistance: PTFE is resistant to strong acids and bases, and to most solvents, remaining stable across a pH range of approximately 1–14, conditions under which many other materials would degrade.
- Hydrophobic Surface: PTFE does not allow liquid water to pass through — only air and gases — making it suitable for filters and vents.
- Microporous Structure: A fine network of micropores allows gases and vapour to pass while stopping dust, particles, and microorganisms from passing.
- Wide Temperature Resistance: PTFE can withstand extreme temperatures, from approximately -200°C to 260°C without undergoing any changes in its performance or structure.
- Non-Stick Surface: Smooth and low-friction surface resists fouling and buildup, keeps the membrane cleaner, reduces clogging, and can help prolong its service life.
Why Choose a PTFE Distillation Membrane?
A PTFE distillation membrane provides superior chemical resistance and lifespan compared to other membranes like PVDF, particularly for hot, corrosive, and high-salt-content streams. The surface is naturally hydrophobic, which facilitates the process of PTFE membrane distillation by permitting water vapour to pass through while retaining liquid water, salts, and other contaminants on the feed side.
This makes an Oxymo Technology PTFE distillation membrane suitable for:
- High salinity desalination and brine concentration.
- Zero-liquid-discharge (ZLD) systems and wastewater volume reduction.
- Recovering clean water from aggressive industrial effluents.
- Applications where PVDF membranes may foul or degrade quickly.
Benefits of Using PTFE
- Better filtration: Very fine pores block harmful particles like dust and dirt, delivering clean and safe water, air, or gas — important for both health and process quality.
- Chemically resistant: PTFE is highly resistant to strong acids and aggressive chemicals, making it suitable for chemical processing and harsh industrial environments.
- Long life: PTFE membranes perform reliably under high temperatures, pressure, and chemical exposure, helping reduce replacement frequency and maintenance costs.
- Water-repellent: Natural hydrophobicity is ideal for the membrane distillation process in which only vapour passes across the membrane, leaving salty or dirty water behind to produce clean, high-purity water.
Hydrophobic vs. Hydrophilic PTFE Membranes
There are two fundamental surface types of PTFE membranes. Hydrophobic PTFE membranes repel water while allowing air, gases, and vapour to pass. They are most popular in venting, gas sterilisation, solvent filtration, and membrane distillation. Hydrophilic PTFE membranes are surface-treated to permit liquids in water-based media to pass through, suitable for aqueous filtration and laboratory use. Oxymo Technology provides both types and can guide you in choosing the most appropriate pore size, surface treatment, and format for your application.
PTFE Membrane Distillation Applications
The PTFE distillation membrane is the key to the membrane distillation process. It is perfect for:
- Producing high-purity water from seawater or brackish water.
- Concentrating process liquids in food, chemical, and pharmaceutical plants.
- Treating high-strength or high-temperature wastewater.
- Recycling of resources and water in closed-loop industrial systems.
The PTFE membrane distillation process is effective for water recovery, energy savings, and treatment of challenging wastewater streams for which conventional filtration often has no effective solution.
Applications of PTFE Membranes
Water & Wastewater Treatment
PTFE membranes help purify water and treat wastewater for safe reuse or discharge. They are highly resistant to chemicals, making them an attractive option for streams that can contaminate other filter materials.
Desalination
Because PTFE is waterproof, it excels in membrane distillation: seawater is converted into clean water while salt and dirt are blocked.
Chemical Industry
With outstanding resistance to acids, bases, and solvents, PTFE filters last where ordinary filters break down quickly, making them a reliable choice for chemical factories.
Pharmaceutical Industry
PTFE membranes are utilized to filter water, air, and gases in pharmaceutical plants to help eliminate bacteria, fine particles, and chemical contaminants for clean and safer production. PTFE is also commonly used in sterile venting and HPLC/solvent filtration.
Technical Specifications
Here are some representative specifications for Oxymo Technology’s PTFE membrane range. The final specs can change a bit depending on the particular product and the selected application.
| Parameter | Typical Specification |
| Material | 100% PTFE / ePTFE |
| Pore Size | 0.1–10 µm, depending on the application |
| Surface Type | Naturally hydrophobic; hydrophilic option available |
| Operating Temperature | Approx. −200°C to 260°C |
| Chemical Resistance | Resistant to acids, bases, solvents, and pH 1–14 conditions |
| Available Forms | Sheets, discs, rolls, laminated, supported, and custom formats |
| Certifications | ISO 9001/ ISO 14001, CE |
Oxymo Technology is a China-based PTFE membrane manufacturer and factory, providing standard sizes and custom-made layouts. In addition, we assist with OEM projects, real industrial applications, and bulk orders of large quantities, according to customer request.
Manufacturing, Quality Control & Certifications
As a vertically integrated manufacturing company, Oxymo Technology designs and manufactures its membranes in-house in Foshan, China, supported by invention patents — including in membrane distillation — and cooperation with research institutions. Production and management are based on ISO9001 and ISO14001 standards, and the membranes are compliant with CE certification requirements. This is an established quality control that assures industrial, chemical, and pharmaceutical buyers of batch-to-batch consistency. This in-house capability is what makes Oxymo Technology the preferred choice for customers seeking a genuine PTFE Membrane Filter Manufacturer & Supplier — not a rebadged trading product, but a demonstrated quality product straight from the factory.
PTFE Membrane Price
The price for a PTFE membrane is not one fixed number. It depends on the membrane type, pore size, thickness, the chosen format, the order quantity, and how much customization you need. Sometimes the final cost can also vary based on certain options, such as hydrophobic or hydrophilic treatment. Wholesale prices are negotiable for bulk orders, depending on the quantity ordered. As a direct factory and PTFE membrane manufacturer and supplier, Oxymo Technology provides competitive pricing straight from the factory, with no reseller add-on charges. Contact us to get a quote based on your needs; share your required pore size, membrane format, specifications, and quantity. Our team can offer you factory prices and wholesale prices according to your project or bulk order requirements.
OEM, Wholesale & Bulk Supply
Oxymo Technology offers OEM and ODM services for PTFE membranes with custom pore size, format, and private label packaging. We are a wholesaler and a direct factory to provide competitive wholesale prices and support distributors and industrial buyers with bulk order supply. Volume wholesale price tiers are dependent on order size, allowing a Distributor or filter manufacturer to develop a line of PTFE products on a certified and patented membrane platform. Whether you require a single trial roll or a large bulk requirement, Oxymo Technology measures format, pore size, and delivery to match — a reliable supplier for recurring bulk order supply.
Global Supply & Distribution
Oxymo Technology is a global supplier and an experienced exporter that works with customers in over 40 countries, managing export documentation, shipping, and delivery logistics from our China factory to your end location. As a specialist manufacturer, we provide factory-direct quality, stable production and custom formats, and our volume orders come with competitive pricing. With direct factory prices and a reliable supply, we are a suitable supplier to all global distributors, OEMs, and industrial buyers.
Value for Distributors & Industrial Buyers
PTFE membranes are widely utilized in chemical production, pharmaceutical processes, and manufacturing of electronic devices, as well as the manufacturing and processing of food and water. Oxymo Technology manufactures these specialized PTFE membranes with consistent quality at standard and custom pore sizes and formats with private label options tailored for our distributor and OEM partners. We provide direct factory pricing, reliable production, volume discounts to protect partners’ margins, and predictable inventory planning. Our team supports samples, pilot orders, technical guidance, and scalable bulk supply for long-term distribution plus OEM programs. We offer reliable support for long-lasting distributor and OEM programs, whether you require samples, a first order, or bulk supply.
Frequently Asked Questions
What is a PTFE membrane filter?
A PTFE membrane filter is a very thin sheet of polytetrafluoroethylene (PTFE) material with a microporous structure. It lets air, gases, and vapor pass through and filters out dust, bacteria, and very small particles. Because of its non-reactive properties, PTFE is widely used in venting, gas, solvent filtration, and membrane distillation applications.
When should I choose a PTFE filter?
When chemical resistance, compatibility, or a waterproof barrier is desired, and air and vapor transmission is still needed, choose a PTFE filter. Common applications: solvent filtration, chemical process, venting gases, membrane distillation.
Do you offer customized PTFE membranes and bulk orders?
Yes. Since we are an OEM Manufacturer and wholesaler, Oxymo Technology also offers OEM factory packaging, customized pore sizes or formats, private-label packaging, and volume discounts for large quantities and regular customers. Just let us know your order details to get a quote.
Is PTFE hydrophobic or hydrophilic?
Standard PTFE is hydrophobic — it repels liquid water but passes air, gases, and vapor. If you need to filter water-based liquids, hydrophilic PTFE variants are also available.
How does a PTFE membrane differ from a nylon membrane?
Nylon membranes are suitable for aqueous liquids. PTFE membranes are better suited for aggressive chemicals, organic solvents, and gases because PTFE has excellent chemical resistance and is extremely hydrophobic.
How should I clean a PTFE membrane?
Clean gently with clean water- or alcohol-based cleaners. Be sure not to use any aggressive scrapers or abrasives as these can harm the membrane. For industrial units, follow the manufacturer’s instructions for cleaning and maintenance.
Request a Quote
Need a trustworthy PTFE Membrane Filter Manufacturer & Supplier? Oxymo Technology is a certified China-based factory with an experienced export background, providing competitive factory prices, customized OEM formats, bulk order supply, PTFE membranes, and PTFE distillation membranes. Provide your pore size, format, quantity, and bulk requirement, and we will respond with recommendations, PTFE membrane prices, and wholesale prices.





Ashley Miller –
Strong, stable, and zero chemical reaction exactly what we needed.
Chris Jackson –
Ran it non-stop in industrial wastewater — no fouling, no headaches.
Sarah Davis –
Finally found a membrane that doesn’t clog or degrade under pressure.
Laura Martinez –
Best PTFE Membrane filter I’ve used yet.
Laura P –
Fantastic for chemical resistance! I use this in our lab environment and it holds up perfectly.
Tom K –
Great quality. It’s durable and perfect for aggressive filtration processes.