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PRODUCT DESCRIPTION -weight: 25gsm -color : white -thickness:0.21mm -filtration efficiency: ≥ 95% -width: 175mm -tensile strength: for MD >8.6 N/5cm, for CD >7.2 N/5cm -Elongatoin: for MD >11%, for CD > 15% Resistance <4.9 nmH2O Remark: The flow rate is 28.3L/min for testing resistance and filtraction effeciency and particle size is 0.3micro meter i.e. 0.3um layer 25g meltblown nonwoven BFE99/PPE99/VFE99 Width(175mm)