Porous Ceramic
The range of ProMat’s porous ceramic filters are, made from Aluminum
Oxide and Silicon Carbide. The strong, uniform porous ceramic has 40-50%
open porosity with a tortuous pore structure and is available in pore sizes
ranging from 6 to 90 microns.
Maximum Temperature
The range of ProMat’s porous ceramic filters is made from aluminum oxide
and silicon carbide. The strong, uniform porous ceramic has 40-50% open
porosity with a tortuous pore structure and is available in pore sizes ranging
from 6 to 90 microns.
What is Porous Ceramics
"Porous ceramic" refers to a type of ceramic material that contains interconnected pores or voids within its structure. Unlike dense ceramics, which aim for minimal porosity, porous ceramics are intentionally designed to have these open spaces.
These pores give porous ceramics unique properties that make them suitable for specific applications:
Why are they special?
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Filtration: The interconnected pore network acts as a filter, allowing fluids (liquids or gases) to pass through while trapping solid particles. This is a primary application.
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High surface area: The presence of many internal pores dramatically increases the material's surface area. This is crucial for applications like catalysis, adsorption, and bioreactors.
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Lower density: Due to the voids, porous ceramics are lighter than their dense counterparts.
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Insulation: The trapped air or gas within the pores provides excellent thermal and acoustic insulation.
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Controlled permeability: The size and distribution of pores can be precisely controlled during manufacturing, allowing for tailored flow rates and filtration capabilities.
Common applications:
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Filters: For water purification, gas separation, hot gas filtration in industrial processes, and diesel particulate filters in automotive exhaust systems.
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Catalyst supports: The high surface area provides ample sites for chemical reactions in catalytic converters or industrial chemical processes.
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Biomedical implants: Scaffolds for tissue engineering, where the pores allow for cell growth and nutrient transport.
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Sound absorption: Used in acoustic panels and insulation.
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Thermal insulation: In high-temperature furnaces and kilns.
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Separation membranes: For various industrial separation processes.
Cleanability
Porous ceramic is cleanable by a variety of methods, depending on type of contaminant to be removed. Methods include spraying, brushing, backwashing, oven firing, dilute acid cleaning, solvent cleaning, steam cleaning and ultrasonic cleaning.
