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aramid filter bag (metamax needle felt) for asphalt plant dust collection
aramid filter bag (metamax needle felt) for asphalt plant dust collection

Aramid filter bag

Aramid (Nomex) filter bags offer a continuous 200°C with the best abrasion and flex resistance among high-temperature media — a proven, cost-effective choice for asphalt plants and dry cement kiln gas, but unsuitable for high-humidity applications due to hydrolysis risk

Aramid filter bag— Technical Data：

Filter MediaMetamax Needle Felt (Meta-aramid)
CompositionAramid fiber / Aramid scrim
Weight500 g/m²
Air Permeability80–100 m³/m²/min
Tensile Strength (N/5×20 cm)Warp 800 / Weft 1200
Elongation (%)Warp <20 / Weft <50
Continuous Operating Temperature≤204°C (peak 240°C)
Filtration Velocity1.0–1.2 m/min
Finishing TreatmentSinged, calandered, PTFE impregnated, or water & oil repellent
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