... pore diameter , omni-directional filter ,excellent permeability 2.High tensile and pressure-proof ,long service life3.With good ... with soilApplication Field:1 Drainage for road, railway, airport, high way,etc.2 Drainage for tunnel, retaining wall,subway, and ... wire spacing external diameter deviation standard length filtration geotextile high tenacity polyester filamentmmcycle/mmmmmmDΦ301.545±23000.1-0 ...