... -woven, is applicable for industrial hydraulic system filter.GP10TT ItemStandardRemark(Basic weight)150±20g/m2 ( ... Filtration Efficiency)≥99% (Ventilation Property) ≥200L/m2•S (Dust Holding) ≥105g/m2 (Pore diameter) 60-80μm ... GP10 10μm•GP15 15μm•GP20 20μm•GP05TT 5μm•GP10TT 10μm•…… ... .•2003, Research and Development Automotive air filter material,and Establied Retop Filter Materials Co., LTD •2004, Started ...