
— A P P L I C A T I O N
Filtration
Astroseal's expanded mesh provides the mechanically stable, chemically resistant support layers
that keep filtration media performing under pressure — across water treatment, oil and gas,
pharmaceutical, food production, HVAC, and semiconductor manufacturing environments.
— T H E R O L E O F M E S H I N F I L T R A T I O N
Structural support where filtration media cannot stand alone
Filter media — whether membrane, fiber, or polymer — cannot perform without mechanical support. Under differential pressure, thermal exposure, vibration, and repeated cleaning cycles, unsupported filter media collapses, distorts, or fails. Astroseal's expanded polymer mesh provides the rigid, open-structure support layer that maintains filter geometry, prevents media collapse, and ensures uniform flow distribution throughout the service life of the filtration system.
From reverse-osmosis modules to hydraulic line filters and sterile pharmaceutical filtration systems, Astroseal's expanded polymer is the structural backbone that keeps filtration media performing at specification.
— W H Y E X P A N D E D P O L Y M E R M E S H
Maintains filter geometry under high differential pressure
Prevents media collapse during vibration and thermal cycling
Ensures uniform flow distribution across the filter element
Resists aggressive solvents, acids, and caustic wash cycles
No particle shedding or extractable contamination risk
Where Astroseal Expanded Polymer Mesh Is Applied
High-Efficiency Media
High-efficiency filtration applications — including HEPA, ULPA, and sub-micron liquid filtration — require support media that maintains precise channel spacing and uniform flow distribution across the filter element. Astroseal's expanded mesh maintains the dimensional stability needed to ensure consistent filtration efficiency and prevent media fouling caused by uneven flow or deflection under pressure. In reverse osmosis and ultrafiltration modules, mesh support layers maintain precise channel spacing to ensure uniform flow and prevent membrane deformation.
Industrial Filtration Systems
In heavy industrial environments — including water treatment plants, oil and gas processing, HVAC systems, and automotive lubrication circuits — Astroseal's expanded polymer mesh serves as the primary structural
support for filter media exposed to high differential pressures, vibration, and thermal cycling. The mesh maintains filter geometry under these conditions, preventing media collapse that would allow unfiltered fluid bypass. For hydraulic and lubrication filters, Astroseal's expanded polymer provides the burst strength and vibration resistance required for reliable heavy-duty equipment performance.
Environmental Filtration
Environmental filtration applications — including emissions control, wastewater treatment, air quality management, and contaminated site remediation — require filtration systems that operate continuously and reliably under variable flow conditions and contamination loads. Astroseal's expanded polymer mesh support layers maintain filter media integrity through the variable differential pressures and flow rates typical of environmental systems, ensuring consistent contaminant capture and regulatory compliance over extended service intervals.
Chemical & Process Filtration
Chemical processing environments expose filtration systems to aggressive solvents, acids, bases, and elevated temperatures that degrade conventional filter support materials. Astroseal's expanded polymer mesh — available in PTFE, PFA, PEEK, and other polymers — provides chemically resistant support for filtration media in these demanding environments, maintaining structural integrity through chemical exposure, pressure cycling, and thermal shock. Its open-area geometry supports unrestricted flow while holding filter media precisely in position.
Semiconductor Industry
Semiconductor manufacturing requires ultra-pure process environments where even trace contamination can compromise entire production runs. Filtration systems in semiconductor fabrication facilities must maintain absolute integrity — with no particle shedding, no extractable contaminants, and no dimensional change under the pressures and temperatures of ultra-pure water and chemical distribution systems. Astroseal's expanded polymer mesh supports PTFE and specialty polymer filter media in these applications, maintaining filter integrity while tolerating steam sterilization, caustic wash cycles, and thermal shock without extractable contamination risk.
