Three-quarter view of white microglass HEPA filter media roll

Filtros de ar e filtragem química

Mídia de filtragem HEPA de microglásco

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

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Introdução do produto

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.

Características-chave

Fine glass fibres create high capture efficiency at low media thickness.

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.

Preocupações do produto do cliente

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.

Aplicações típicas

HEPA and ULPA filter manufactureCleanroom terminal filtersHigh-efficiency vacuum filtersLaboratory air purificationSensitive process exhaust filtration

Parâmetros técnicos

Representative physical ranges for borosilicate microglass HEPA media are shown below.

Material principal	Wet-laid borosilicate microglass fibres with acrylic or equivalent binder
Painel de espessura	0.30–0.70 mm media caliper
Largura efetiva	500–1600 mm usable roll width
Comprimento máximo	Up to 50000 mm roll length depending on basis weight and core diameter
Aço enfrentando espessura	0.30–0.50 mm galvanized expanded-metal support facing when converted into a rigid filter pack
Densidade Core	90–220 kg/m³ apparent sheet density
Condutividade térmica	0.035–0.060 W/(m·K) through the porous glass-fibre sheet
Superfície acabado	Uniform white wet-laid fibre surface suitable for pleating and potting
Tipo conjunto	Continuous roll converted by pleating, separator insertion and edge potting into a filter pack
Customização	Disponível com base na aplicação pretendida e no ambiente operacional.

Opções disponíveis

HEPA or ULPA media gradesDifferent resistance and basis weightsStandard or low-boron glass formulationCustom slit roll widths

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