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Luftfilter und chemische Filtration
Mikroglas HEPA Filtermedien
A wet-laid borosilicate microglass sheet engineered for fine-fibre particle capture and stable mini-pleating in HEPA and ULPA filter packs.
- Fine Borosilicate Fibres
- Uniform Basis Weight
- Mini-Pleat Compatible
- High Particle Retention
Produkteinführung
Microglass HEPA media is produced as a thin wet-laid sheet from controlled-diameter borosilicate fibres with a low level of binder. The random fibre network creates tortuous particle paths while retaining enough permeability for deep pleated packs. Uniform caliper and tensile strength support rotary or blade pleating, separator insertion and pack potting. The roll material is converted into complete filters where efficiency and resistance depend on grade, pleat geometry and finished-filter testing.
Key Features
Controlled basis weight keeps resistance consistent across the roll width.
Adequate machine-direction strength supports close mini-pleating.
Stable mineral fibres tolerate normal HEPA operating temperatures and humidity.
Kunden Produktbedenken
Finished HEPA performance depends on media uniformity, pleat integrity and pack sealing rather than paper efficiency alone.
Basis-weight variation creates high-resistance bands across the roll.Controlled wet-laying distributes glass fibres evenly across the web.
Brittle paper cracks at tight pleat folds.Selected binder and caliper balance foldability with low airflow resistance.
Loose glass fibres shed during conversion.A bonded microglass network provides handling strength for pleating and pack assembly.
Media data is assumed to equal finished-filter leakage performance.The converted pack is potted, framed and individually verified as a complete filter element.
Typische Anwendungen
HEPA and ULPA filter manufactureCleanroom terminal filtersHigh-efficiency vacuum filtersLaboratory air purificationSensitive process exhaust filtration
Technische Parameter
Representative physical ranges for borosilicate microglass HEPA media are shown below.
| Core Material | Wet-laid borosilicate microglass fibres with acrylic or equivalent binder |
|---|---|
| Panel Dicke | 0.30–0.70 mm media caliper |
| Effektive Breite | 500–1600 mm usable roll width |
| Maximale Länge | Up to 50000 mm roll length depending on basis weight and core diameter |
| Stahl facing Dicke | 0.30–0.50 mm galvanized expanded-metal support facing when converted into a rigid filter pack |
| Kerndichte | 90–220 kg/m³ apparent sheet density |
| Thermische Leitfähigkeit | 0.035–0.060 W/(m·K) through the porous glass-fibre sheet |
| Oberfläche Finish | Uniform white wet-laid fibre surface suitable for pleating and potting |
| Gemeinsamer Typ | Continuous roll converted by pleating, separator insertion and edge potting into a filter pack |
| Customisierung | Verfügbar je nach beabsichtigter Anwendung und Betriebsumgebung. |
Verfügbare Optionen
HEPA or ULPA media gradesDifferent resistance and basis weightsStandard or low-boron glass formulationCustom slit roll widths
Planning a Microglass HEPA Filter Media specification?
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