HTS 9902.11.88

Expanded poly(tetrafluoroethylene) (PTFE) nonadhesive cellular sheets, of a thickness greater than 1.5 mm but not more than 3.0 mm, certified by the importer as having a tensile strength of at least 48.3 MPa (7,000 psi) per ASTM F-152 (CAS No. 9002-84-0) (provided for in subheading 3921.19.00)