Porous ceramic or metallic substrate used as the structural foundation in particulate filters to capture and retain solid contaminants from fluid streams.
| Parameter | Typical range | Notes & selection driver |
|---|---|---|
| Porosity | 30-70% | |
| Pressure Drop | 0.1-5 kPa at rated flow | |
| Mean Pore Size | 5-100 μm | |
| Compressive Strength | 10-50 MPa | |
| Filtration Efficiency | 95-99.9% for target particle sizes | |
| Maximum Operating Temperature | 800-1600°C | |
| Thermal Expansion Coefficient | 1-5 × 10^-6/K |
Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.
This component is used in the following industrial products
A filtration device that captures and removes particulate matter from exhaust gases.
An exhaust aftertreatment device that captures and removes diesel particulate matter (soot) from diesel engine exhaust gases.
A component that selectively transmits or blocks specific wavelengths of light within an optical sensor system.
A practical evidence checklist for RFQ preparation and supplier evaluation.
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Manufacturer profiles associated with Filter Substrate.
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Ceramic substrates offer superior thermal stability and chemical resistance but are more brittle. Metallic substrates provide better mechanical strength and ductility but have lower temperature limits. Ceramic substrates typically have more uniform pore structures, while metallic substrates offer better shock resistance.
Pore size directly determines the minimum particle size that can be captured. Smaller pores provide higher filtration efficiency but increase pressure drop. Optimal pore size balances filtration requirements with acceptable flow resistance. Multi-layered substrates with graded pore sizes can capture different particle ranges efficiently.
Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.