Phenolic Resin Filter Element

Premium phenolic resin filter elements for high-viscosity fluids. Superior dirt holding, high temperature resistance, and rigid construction. Ideal for paint, ink, chemical, and oil filtration. Available in multiple sizes and micron ratings.

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Products Description

The phenolic resin filter element is a rigid, resin-bonded depth cartridge designed to provide stable, high-capacity particulate removal in demanding industrial processes. Combining long acrylic or polyester filaments with a phenolic resin matrix, this element resists deformation and media migration while offering graded porosity that captures large agglomerates at the surface and finer solids deeper in the media.

operating principle

Inlet flow (outside → inside): Fluid enters the cartridge from the outside surface.
Stage 1 - outer spiral wrap: Large particulates and pigment agglomerates are trapped on the outer spiral, preventing rapid loading of the inner media.
Stage 2 - graded depth matrix: Finer particles migrate into progressively smaller pores and are captured within the bonded fiber matrix.
Clean fluid exit: Filtered liquid flows through the central core to the downstream side. Particulates are retained in the matrix until cartridge replacement.

This outside-in, depth filtration mechanism yields progressive clogging (preferred for viscous fluids) and avoids channeling common with thin-membrane filters.

how-phenolic-resin-filter-element-work

Technical parameters

Media	Acrylic fiber with phenolic resin impregnation (resin-bonded)
Nominal outer diameter	~2.56″ ± tolerance
Nominal inner diameter	~1.1″
Available lengths	9.75″ / 10″ / 19.5″ / 20″ / 29.25″ / 30″ / 39″ / 40″
Micron ratings	1 → 200 µm
Max ΔP	4.8 bar (70 psid) @ 20°C
Recommended ΔP	2.4 bar (35 psid)
Max Operating Temp.	121°C (250°F)

Key features & benefits

Features	Benefits
✅ High dirt-holding capacity	Fewer changeouts, lower total filtration cost.
✅ Minimal media migration	Preserves product quality and prevents downstream fouling.
✅ Rigid, resin-bonded body	Resists deformation under pressure surges; suitable for viscous fluids.
✅ Spiral outer wrap	Increased surface area for coarse capture and extended service life.
✅ Wide micron range	Use coarse to sub-micron grades to match your removal target.
✅ Multiple end-cap and seal options	DOE / 222 / 226 configurations and a variety of O-ring materials (Silicone, EPDM, NBR, Viton) for compatibility with different housings and fluids.
✅ Simple disposal and handling	No internal metal/plastic core in standard versions; compact, robust cartridges for safe handling.

Product Types


Phenolic resin-bonded acrylic composite (brown)	Phenolic resin-bonded polyester composite (dark brown)	Melamine resin-bonded cellulose fiber (white)

Applications

Engineered for viscous, pigment- or resin-bearing process liquids, typical uses include:

Industrial and architectural paints & coatings
Printing inks and pigment concentrates
Adhesives, hot-melt and solvent-based formulations
Resin and polymer process streams
Emulsions and chemical coatings
Organic solvents and specialty chemical filtration (verify chemical compatibility)
Oilfield fluids / petroleum products where particulate control is required
Plasticizers, waxes and animal/vegetable oils

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phenolic-resin-filter-element-manufacturer

Operational Guidelines

For optimal performance, maintain system pressure within recommended limits.
Avoid sudden pressure surges to preserve structural integrity.
Compatible with most common filter housings; confirm seal type and end configuration before selection.
Suitable for continuous operation in viscosity-intensive fluids up to 15,000 SSU

certificate

Credit Certificate

ISO 9001

ISO 14001

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Q: Are these phenolic resin filter elements reusable?

A: No, they are designed for single use due to their depth filtration construction and trapped contaminant load.

Q: What is the typical service life?

A: Service life depends on operating conditions, including fluid viscosity, contaminant load, and system pressure. Typical service life ranges from several weeks to months in continuous operation.

Q: Can I use these elements for sterile or sanitary processes?

A: Phenolic resin elements are designed for industrial particulate control, not for sterilizing-grade or aseptic filtration. For biopharmaceutical or sterile water applications, use elements specifically certified for those processes.

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