TARIC 3921.19.00.50 — Porous membrane of polytetrafluorethylene (PTFE) laminated to a polyester spunbonded non-woven cloth with -|a total thickness of more than 0,05|mm but not more than 0,20|mm, -|a water entry pressure between 5|and 200|kPa according to|ISO 811, and -|an air permeability of 0,08|cm$3/cm$2/s or more according to ISO 5636-5 | TariffCodex