... ,PVC ect.Properties:Flexibility is good, exception of a geotextile’s isolation ,drainage,reinforced,protective functions, but also has closed(impermeable ... .480.560.62peel strength(KN/cm)6permeability coefficient(cm/s)K*10-11~-13(k=1.0-9.9)Note:the above table ... is for reference, special sizes are available at customer’s request ...