Why Choose FiltEdge Hydrophobic Filter Cartridge?
FiltEdge hydrophobic filter cartridges utilize a natural, high-purity expanded Teflon (PTFE) membrane with a unique three-dimensional mesh microporous structure that provides excellent counter-wetting capability. This continuous, stable and uninterrupted high throughput of pure airflow directly avoids the high cost of unscheduled downtime and saves up to 25% of the overall energy consumption and maintenance costs for the overall operation of your factory’s pneumatic system. In addition, the product supports more than 100 in-line saturated steam sterilization (SIP) cycles without membrane displacement, ensuring the safety of your process.
What is a hydrophobic filter cartridge?
When you are faced with processes such as gas purification, tank breathing, organic solvent dewatering or sterile compressed air, you can’t go wrong with a Hydrophobic Filter Cartridge. The Hydrophobic Filter Cartridge is the perfect solution to the industrial pain point of “instant clogging when water vapor is encountered, and the gas resistance soars and causes production line shutdown”, as it is naturally endowed with the micro-physical properties of “water-phobic and water-repellent”. It is like a layer of gas molecules and non-polar solvents are allowed to pass through, but all the water droplets dead outside the “super shield”. In actual industrial production, if the gas carries a trace of condensate, the hydrophilic filter cartridge will be quickly saturated with water, resulting in the gas flow can not pass through, the entire system is paralyzed by overpressure. While hydrophobic cartridge in the face of humid gas or even splashing liquid droplets, its microporous surface can remain absolutely dry, the gas can be free, high-speed shuttle in the channel.
FiltEdge Hydrophobic Filter Cartridge Product Series
The FiltEdge hydrophobic filter cartridge product series includes:
FiltEdge Precision PTFE Hydrophobic Filter Cartridges, FiltEdge Precision PVDF Hydrophobic Filter Cartridges and FiltEdge Precision PP Pleated Hydrophobic Filter Cartridges, FiltEdge Precision Glass Fiber Hydrophobic Filter Cartridges
Designed for use with highly corrosive gases and pharmaceutical vented scenarios. Features 100% expanded polytetrafluoroethylene (PTFE) hydrophobic filter membranes. Exhibits strong physical stability under steam in-line sterilization (SIP) at elevated temperatures. Its absolute filtration precision of 0.22μm and gas retention rate can completely block external oil and water particles.
Suitable for dewatering and clarification of low viscosity organic solvents and coarse filtration of various corrosive industrial exhaust gases. Made of high mechanical strength polyvinylidene fluoride (PVDF) with naturally superior low protein adsorption and oxidation resistance. The pore size is maintained at high differential pressures without creep or secondary fiber escape.
Widely used in air separation system pre-protection, compressed air pre-filtration and storage tank high flow air roughness filtration. Utilizing a multi-layer folded structure of ultra-fine polypropylene (PP) fibers, the outer layer captures large particles while the inner layer is locked in place. The large effective filtration area is greater than that of a single filter.
It specializes in deep dewatering and clarification of high dust content and high viscosity gases such as high temperature industrial blast furnace exhaust gas and petrochemical flue gas. The hydrophobic glass fiber composite filter media is specially modified with silicone and has an internal porosity of up to 88%. Highly effective in holding dirt and intercepting dust in extremely hot gas streams as high as
Key Features of FiltEdge Hydrophobic Filter Cartridge
Key features of FiltEdge Hydrophobic Filter cartridges include Superior Membrane Hydrophobicity & High Air Permeability, Universal Chemical Compatibility & Rigid Structural Support. & Rigid Structural Support, Advanced 100% Thermal Bonding & Zero Media Migration and Certified Integrity Validated & High-Frequency Steam Sterilizable
Unrivaled Superior Hydrophobic Surface Tension, Selected High Grade Polytetrafluoroethylene (PTFE) or Polyvinylidene Fluoride (PVDF) as the core filtration media, maintains non-wetting and non-adherent purity.
Wide-spectrum chemical compatibility, the whole series has been accurately engineered for material compatibility, and there is absolutely no swelling, dissolution, hydrolysis even if it is immersed for a long period of time in concentrated nitric acid, organic solvents, high concentration of sodium hydroxide at a continuous high temperature of 80 degrees Celsius.
The filter is assembled in a fully automated clean room by advanced 100% Thermal Bonding Technology. The filter membrane, flow-through layer and end caps are fused and interwoven at the molecular level at controlled temperatures and condense to form a perfect monolithic structure.
Every sterile hydrophobic cartridge manufactured by FiltEdge must undergo 100% rigorous Bubble Point Test and Water Intrusion / Diffusion Flow Test before delivery to ensure that it is free from any hidden microporous defects.
FiltEdge Multi-Axis Automated Pleating & Multi-Station Thermal Welding System
FiltEdge has invested heavily in the internationally advanced Multi-Axis Automated Pleating System and Multi-Station CNC Thermal Welding System. These two core process equipment are the underlying strength of FiltEdge hydrophobic folded cartridge to replace the international first-tier brands in terms of performance. The traditional cartridge unfolding and folding process can easily cause the hydrophobic membrane to produce microscopic abrasions or folding stress concentration, which can lead to local breakdown during operation. The machine uses an intelligent multi-axis fully automatic folding machine with a precise Constant Tension Control System to fold the imported high-quality single or double-layer PTFE hydrophobic film with the nonwoven infusion layer. During the folding process, the machine is able to strictly control the error of folding height (Pleat Height) within, so that the folding density (Pleat Density) is increased by 25% compared with the traditional equipment. This directly contributes to the large effective filtration area of the cartridge (based on a standard 10-inch cartridge), lower initial pressure drop and extremely high air throughput.
FiltEdge Intelligent Inline Membrane Stretching & Class 100 Cleaning-Packaging Matri
In addition to precision folding and mechanical welding, the decisive factor in determining the final interception accuracy of a hydrophobic cartridge is the uniformity of the pore size of the core membrane, and FiltEdge has introduced the industry’s leading-edge Intelligent Controlled Inline Stretching System. This process is designed for the biaxially oriented stretching of polymer PTFE and PVDF materials.
While conventional stretching equipment is susceptible to temperature fluctuations that can cause large-pore defects in the filter membrane, leading to fiber leakage in the field, FiltEdge’s Intelligent Stretching System locks the temperature of the heated rollers within a very narrow range through hundreds of micro infrared sensors, and dynamically stretches the polymer resins to form a highly homogeneous, spider-webbed, micro-fibrous web (Micro-Fibril). Micro-Fibrillar Network Structure. This process reduces the Standard Deviation of Pore Size by 30%. This means that FiltEdge guarantees virtually identical pore sizes for both 0.1 and 0.22 filtration levels, ensuring a 99.99% Absolute Retention Rate in real-world industry testing.
Why Choose FiltEdge as Your Hydrophobic Filter Cartridges Supplier?
20+ Years of Industrial Expertise, Global Footprints
When it comes to industrial filtration, you can only trust technology that has been tested on the world’s top playing fields, and FiltEdge has always been at the center of the world’s water treatment scene, with numerous appearances at Aquatech Amsterdam, the WQA Show, and the Shanghai International Water Show.
For more than 20 years, we have refused to be a low-end assembly plant, and instead have focused on the development of high-performance Hydrophobic Filter Cartridges and the material modification of polymer microporous membranes. Today, FiltEdge has transformed into a benchmark industrial supplier with 4,000 square meters of modernized production bases, 6 fully automated industrial production lines, and more than 120 experienced technical backbones. All of our products are ISO 9001 certified and comply with FDA, RoHS and other international health and safety standards.
Applications of Hydrophobic Filter Cartridge
Hydrophobic Filter Cartridge can be used for Biopharmaceutical Fermentation & Sterile Air, Chemical Storage Tank Venting, Food, Beverage & Wine Tank Protection.
FiltEdge Hydrophobic Filter Cartridges utilize naturally hydrophobic PTFE membranes that repel water through strong surface tension in the face of saturated airflow at 100% relative humidity, keeping gas passages dry and clear. Our products have passed the rigorous Pseudomonas aeruginosa challenge test and are 99.99% efficient at intercepting particles and aerosols down to 0.22 microns.
FiltEdge hydrophobic cartridges exhibit unmatched Universal Chemical Compatibility. Its perfluoropolymer support skeleton and hot-melt bonding process provide long-lasting resistance to deformation and brittleness in the face of volatile acidic mists, alkaline gases, and organic solvent vapors, and zero media migration to prevent 100% of rainwater and high-moisture mists from being sucked back into the tank from the outside environment.
FiltEdge Food Grade Hydrophobic Folded Cartridges are FDA Food Contact Material Compliant and are designed to be installed at the top of the air intake of beverage and wine tanks. The cartridges are heat welded using a 100% adhesive-free, silicone-free process to ensure that the foam stability of beer or the delicate flavor of wine is never compromised.
Our products are thoroughly rinsed and encapsulated with ultrapure water in a Class 100 ultra-clean room environment to ensure extremely low levels of metal ions and organic extractables, meeting the industry’s leading-edge PPT (Parts Per Trillion) purity control standards.
Technical Specification
- Technical Specification
| Max. ▲P | 2.1 bar (30.4 psi) @ 80°C |
| Length | 5″ (127 mm) / 10″ (254 mm) / 20″ (508 mm) / 30″ (762 mm) / 40″ (1016 mm) |
| Outer Diameter | 69 mm |
| Inner Diameter | 28 mm |
| Membrane | PTFE / PVDF/PP/Glass Fiber |
| Pore Size | 0.1 μm / 0.22 μm / 0.45 μm / 1.0 μm / 3.0 μm / 5.0 μm |
Testimonials
We have been purchasing FiltEdge’s SterileAir™ PTFE hydrophobic cartridges in bulk for over a year now for our plant’s 500L scale-up bioreactor fermentation cycle. Frankly, our technical team was very cautious when we initially switched to FiltEdge from an established European supplier. However, the results were amazing, as the cartridges underwent more than 100 high-frequency in-line steam-in-place (SIP) sterilizations at 134°C with no degradation in bubble point pressure. FiltEdge proved that their quality is on par with the top tier international giants, and that their offshore technical team is extremely responsive, making them a very strong B-side partner.
Dr. Marcus VancePurchasing Director, BioVantage Pharmaceuticals Inc.Switching to FiltEdge’s hydrophobic folded cartridges was the best supply chain decision we made this year. They delivered the product with a full FDA Material Compliance Certificate and cGMP Validation Report, making our quality audit process incredibly easy. Choosing FiltEdge as a bulk material supplier gives you the benefit of consumables that are 100% bacteria- and contamination-resistant in harsh water and vapor conditions, as well as a one-time international compliance audit, which directly saves our company 38% of our annual cartridge purchasing budget and cumbersome re-inspection labor costs.
Sarah JenkinsSupply Chain Manager, NexaBio Therapeutics Ltd.Our bulk chemical storage tanks are permanently filled with aggressive organic solvents and strong acids, which emit acid fumes that used to destroy the structure of ordinary filter cartridges in a matter of weeks. By upgrading our tank venting consumables to FiltEdge ChemGlow™ hydrophobic cartridges, the problems of structural dissolution and media migration have been eliminated.
Even after months of heavy rainfall and high humidity in Mexico, the extremely high water intrusion pressure ensures that no outside water is ever sucked back in, perfectly guarding the material purity of the high-purity reagents.
Carlos MendezGeneral Manager of Production, Apex ChemSolutions S.A. (Mexico)
