FILTRATION

Polyester Drum Filters

Construction Needle felt
Fiber Composition 100% Polyester
Scrim Composition 100% Polyester
Felt Area Weight 550 g/m2(±5%)
Thickness 1.7 mm
Density (g/cm3) 0.29
Mean Air Permeability 25-40 L/dm2/min@12.7mmH2O
Breaking Strength-MD (warp) >1500 N / 5 cm
Breaking Strength-CMD (weft) >1700 N / 5 cm
Breaking Elongation( @50N/5cm)-MD (warp) <3%
Breaking Elongation( @50N/5cm)-CMD (weft) <3%
Dry Shrinkage in 90 minutes 130 <1%
Recommended Maximum Continuous 302 °F
Recommended Maximum Surge 266 °F
Finish Heat set, singed, calendared, PTFE membrane

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