Compliance With Following National / International Standards: ASTM D4491, IS 14324, EN ISO 11058 These test methods cover procedures for determining the hydraulic conductivity (water permeability) of Geo‑Textiles in terms of permittivity under standard testing conditions, in the uncompressed state. Further details available on our website. Price and specifications mentioned here are subject to change as per the application, customer requirements and prevailing market conditions. Please refer to us for the final rates and offer.