Industrial Filtration Products

Meltblow Cartridge Filter

Meltblow Cartridge Filters are standard industrial filtration cartridges designed for high dirt holding capacity and extended service life. They feature a three-zone structure with randomly bonded polypropylene fibers, formed through thermal bonding without binders or adhesives. The filter media is 100% pure polypropylene, ensuring no contamination of the treated liquid. The cartridge is available in multiple lengths and pore sizes, with common end cap and seal options to match standard fittings.

Three-zone structure provides high dirt holding capacity and longer service life
Thermal bonding without binders or adhesives ensures no chemical contamination in the flow path
100% pure polypropylene construction maintains chemical compatibility with a wide range of liquids
Pore size grading from outer to inner zone improves particle capture efficiency

Key Benefits

What This Product Gives You

Three-zone structure provides high dirt holding capacity and longer service life
Thermal bonding without binders or adhesives ensures no chemical contamination in the flow path
100% pure polypropylene construction maintains chemical compatibility with a wide range of liquids
Pore size grading from outer to inner zone improves particle capture efficiency
Available with multiple end cap types and seal materials to fit standard industrial fittings

Three-zone structure with graded pore size from outer to inner layer
Thermal bonding process eliminates need for binders or adhesives
100% pure polypropylene media, end cap, and core for chemical compatibility
Available in lengths from 10″ to 60″ (254 mm to 1524 mm)
Removal ratings from 1 μm to 150 μm, selectable by application
End cap types: DOE, 222/Flat, 222/Fin, 226/Flat, 226/Fin
Seal materials: Silicone, EPDM, NBR, Viton, or no seal
Core options: PP core or no core
Maximum operating temperature of 65 C
Maximum operating differential pressure of 2.0 bar at 21 C

Where It Is Used

Applications And Buyers

Application Scenarios

Filtration of industrial process liquids in chemical manufacturing where chemical resistance is critical
Pre-filtration of water and solvents in pharmaceutical production to remove particulates
Protection of pumps and valves in hydraulic systems by removing suspended solids
Clarification of process streams in food and beverage production where contamination must be avoided
Filtration of aggressive solvents and acids in laboratory and pilot-scale industrial systems

Who It Is For

Industrial process engineers managing continuous filtration in chemical and petrochemical plants
Pharmaceutical and biotech manufacturers requiring FDA-compliant filtration components
Food and beverage producers needing contamination-free filtration for process liquids
Laboratory and pilot plant operators using industrial-scale filtration systems
System integrators specifying standard cartridges with interchangeable end caps and seals

Problems It Solves

Frequent cartridge replacement due to low dirt holding capacity in single-layer filters
Contamination from binders or adhesives in solvent-based or high-purity applications
Incompatibility with aggressive chemicals due to non-PP filter materials
Mismatched end cap or seal types requiring custom fittings or adapters
Poor particle capture efficiency due to uniform pore structure across the filter depth

Data

Specifications

Outer Diameter	63 mm, 115 mm
Inner Diameter	28 mm, 30 mm
Length	10″ (254 mm), 20″ (508 mm), 30″ (762 mm), 40″ (1016 mm), 50″ (1270 mm), 60″ (1524 mm)
Removal Rating	1 μm, 3 μm, 5 μm, 10 μm, 20 μm, 50 μm, 75 μm, 100 μm, 150 μm
End Cap Type	F=DOE, M=222/Flat, P=222/Fin, T=226/Flat, Q=226/Fin
Seal Material	S=Silicone, E=EPDM, B=NBR, V=Viton, N=No seal
Core	P=PP core, N=No core
Max Operating Temperature	65 C
Max Operating DP	2.0 bar at 21 C
Media	Polypropylene (PP)
End Cap	Polypropylene (PP)
Gasket	Silicone, EPDM, NBR, Viton
Core	Polypropylene (PP)

Materials

Polypropylene (PP) media, end cap, and core
Seal materials: Silicone, EPDM, NBR, Viton

Customization Options

Choice of pore size from 1 μm to 150 μm
Multiple end cap types and seal materials to match common fittings
Core options: PP core or no core
Custom lengths available upon request
OEM private-label printing and packaging through the Microlab OEM division

How It Is Made

Manufacturing And Quality Control

Manufacturing Process

Polypropylene fibers are meltblown and randomly intertwined
Thermal bonding fuses fibers without adhesives or binders
Three-zone structure formed with varying fiber density and size
Seals are assembled based on order specification
Final cartridge is inspected for structural integrity and seal fit

Quality Control

Visual inspection of the media structure and bonding quality
Verification of end cap and seal material against order specification
Dimensional checks on OD, ID, and length
Pressure integrity test at 2.0 bar at 21 C to confirm seal and structural strength
Pore size grading verified through particle retention testing

Comparison

Compared With The Alternatives

Versus Multi-layer filter cartridges with adhesive bonding

The thermal bonding process avoids chemical contamination from adhesives, which is critical in high-purity applications

Versus Cartridges with non-PP media

100% polypropylene construction ensures compatibility with aggressive chemicals and prevents leaching

Versus Single-zone filter cartridges

The three-zone structure with graded porosity improves dirt holding capacity and extends service life

Versus Cartridges with fixed end caps

Available with multiple end cap types and seal materials, allowing direct fit to standard industrial fittings

Use Guide

How To Use It

Select pore size based on required particle removal: 1-5 μm for fine filtration, 10-150 μm for coarse pre-filtration
Choose length based on system flow rate and required service life
Match end cap type and seal material to the existing housing or system fittings
Ensure operating temperature does not exceed 65 C and differential pressure does not exceed 2.0 bar at 21 C
Install with correct orientation to prevent bypass flow
Replace when pressure drop increases significantly or flow rate drops below acceptable levels

Also In This Category

Related Industries And Guides

Food and Beverage Testing Chemical Analysis Laboratories Industrial Cartridge and Capsule Filter Guide

FAQ

Questions Buyers Ask

What is the maximum operating temperature for the cartridge?

The maximum operating temperature is 65 C.

What is the maximum differential pressure rating?

The maximum operating differential pressure is 2.0 bar at 21 C.

Are the filters bonded with adhesives?

No. The fibers are bonded through thermal fusion without binders or adhesives.

What materials are used in the filter construction?

The media, end cap, and core are all made from polypropylene (PP). Seal materials include Silicone, EPDM, NBR, or Viton.

Can I get custom lengths or end cap types?

Yes. Custom lengths and end cap types are available. Contact the OEM division for specifications.

Is the filter compatible with aggressive solvents?

Yes. The 100% polypropylene construction provides wide chemical compatibility.

Do you offer private-label packaging?

Yes. The Microlab OEM division supports private-label printing and packaging for filter cartridges.