FBG/FCG/FPG/FEG/LCG
Pharma&Biotech, Microelectronics, Food & Beverage, Fine Chemical
Membrane Filter Cartridges
Glass fiber (GF)
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Optimal Prefiltration for Oily
& Gelly Solutions
The high-flow Glass Fiber Depth Filter Cartridge is constructed from
borosilicate glass microfibers, delivering superior prefiltration for
challenging fluids. Its inorganic composition ensures minimal media
migration and excellent chemical resistance, particularly with organic
solvents. Featuring high dirt-holding capacity and a gradient density
structure, it effectively retains oils, gels, and fine particulates without
compromising flow. An ideal cost-effective prefiltration solution for
chemical, pharmaceutical, and industrial fluid processes.
• Pre-filtration & Clarification of Wort and Final Beer
• Clarification & Pre-bottling Filtration of Wine
• Pre-filtration for Mineral Water RO Systems
• Syrup Clarification & Pre-filtration for Soft Drinks
• Pre-filtration of Cooking Oils & Salad Dressings
• Whey Clarification & Milk Pre-filtration in Dairy
• Pre-filtration & Turbidity Removal for Juices
• Clarification Filtration of Vinegar
• Pre-filtration & Clarification of Sugar Syrups
• Oil & Gel Removal from Chemical Streams
• Clarification of Cosmetics & Personal Care Products
• Pre-filtration of Paints & Coatings
• Purification of Recycled Solvents
• Pre-filtration of Chemical Intermediates
• Filtration of Metalworking Coolants & Cutting Fluids
• Pre-filtration of Viscous Solutions for Suspended Gel Liquids
• Pre-filtration of Pharmaceutical & Biological Solutions for Sterile Filter Protection
• Pre-filtration of Cell Culture Buffers & Media
• Pre-filtration of API Intermediates for Production Processes
• Pre-filtration of Oily & Gel-Containing Process Chemicals
• Process Fluid Filtration for Chemical & Gel Removal
• Impurity & Dust Removal from Compressed Air & Gases
• Pre-filtration of CMP Slurries for Final Filter Protection
• Pre-filtration for Ultrapure Water (UPW) Systems
• Pre-filtration of Electronic-Grade Solvents
The LC-Series GF depth filter cartridge features a multi-layer gradient glass fiber structure, offering extremely high dirt-holding capacity and exceptional particle capture capability. It is the optimal primary filtration solution for liquid cooling systems. It can efficiently intercept 10–50 μm particulates, metal shavings, welding slag, and oxides, protecting the main circulation filter cartridge and cold plates. It is adaptable to high flow rate and high dirt load conditions, making it particularly suitable for pre-commissioning flushing and coarse filtration of systems.
• Naturally hydrophilic, high precision, and low pressure drop characteristics (suitable for high flow rate systems);
• Asymmetric structure filter membrane, ensuring long-term stability;
• Absolute filtration rating (0.05–5μm), providing semiconductor-grade single-digit particle control;
• Biologically inert and low extractables, suitable for ultra-high cleanliness requirements;
• Good temperature resistance (80–90°C);
• Customizable interface sizes and forms for volume customers.
Pore Size (µm): 0.45 • 1.0 • 3.0 • 5.0
Superior Oil/Gel Removal
Excellent adsorption and retention of oily substances and gels
Organic Solvent Compatibility
Inorganic glass fibers resist chemical degradation
High Throughput Design
Maintains flow rates while capturing contaminants
Gradient Density Structure
Progressive filtration from outer surface to core
MEMBRANE | Glass fiber |
CAGE & SUPPORT & END CAPS | PP |
O-RINGS/GASKET | Silicone/Viton/EPDM/TEV |
PP | <60 ℃ |
PP WITH STAINLESS STEEL LINED END CAP | <85 ℃ |
PP WITH STAINLESS STEEL LINING | <95 ℃ |
POSITIVE/REVERSE PRESSURE RESISTANCE | 4 bar/2 bar (23 ℃) |
OUTER DIAMETER | 68 mm |
LENGTH | 10", 20", 30", 40" |
SERIES | MATERIAL | RATING(μm) | END CAP | LENGTH(in) | SUPPORT | SEAL | PORT |
Electronics | Glass Fiber | 0.1μm | 222/Fin | 2.5'' | PP | Silicone | Interface lining steel |
Phamarmical | 0.22μm | 222/Flat | 5'' | PBT | EPDM | Fully lining | |
Chemical | 0.01μm | 226/Fin | 10'' | PVDF | Viton | Skeleton lining | |
Beverage | 1.0μm | 226/Flat | 20'' | PFA | TEV | ||
3.0μm | DOE/Flat | 30'' | PE | Butyronitrile | |||
10μm | 215/Fin | 40'' | GF | PTFE | |||
0.22+0.22μm | 215/Flat | PTFE gasket (soft) | |||||
M20 | Metal-graphite Wound | ||||||
M30 | |||||||
216/Fin | |||||||
216/Flat | |||||||
M15 | |||||||
Insertion Type | |||||||
Barbed Type |
What is a glass fiber depth filter cartridge mainly used for?
A glass fiber depth filter cartridge is mainly used for prefiltration of fluids with relatively high particle loads, colloids, oils, gels, or higher viscosity. Its depth structure provides high dirt-holding capacity and efficient particle capture, making it suitable for food and beverage, pharmaceutical, fine chemical, microelectronics, and liquid-cooling filtration processes.
Why is glass fiber suitable for oily, gel-like, or high-viscosity fluids?
Glass fiber media has a porous depth structure that allows contaminants to be captured throughout the filter matrix rather than only on the surface. This helps distribute the contaminant load, maintain flow, and delay premature blockage when filtering oils, gels, colloidal liquids, metalworking fluids, or other process streams with relatively high viscosity or solids content.
How do I choose the right micron rating for a glass fiber filter cartridge?
The correct micron rating depends on the particle size to be removed, contamination load, required downstream cleanliness, fluid viscosity, flow rate, and the role of the cartridge in the filtration train. Glass fiber cartridges are often used as prefilters, so the selected grade should provide sufficient protection for downstream equipment or finer filters without creating unnecessary pressure loss.
Is the glass fiber filter cartridge compatible with oils and organic solvents?
Glass fiber media provides good compatibility with many oils and organic process fluids, but suitability should be confirmed for the complete cartridge construction. Compatibility depends on the specific chemical, concentration, operating temperature, exposure time, support materials, and gasket material. Final confirmation should therefore be based on the actual process conditions.
What are the operating limits of the glass fiber depth filter cartridge?
Operating limits depend on the cartridge configuration. The listed standard PP construction is suitable below 60°C, while versions with stainless steel lined end caps or stainless steel lining can support higher temperature conditions. The listed positive/reverse pressure resistance is 4 bar / 2 bar at 23°C. Final limits should be verified for the selected specification.
When should a glass fiber depth filter cartridge be replaced?
Replacement should be based on filtration performance rather than a fixed service interval. Typical indicators include increasing differential pressure, reduced flow rate, longer processing time, or insufficient downstream protection. Actual service life depends on contaminant loading, fluid viscosity, selected micron rating, flow conditions, and the amount of oil, gel, colloidal material, or suspended solids in the feed.