Document ID: chunk:federal_register_of_legislation:F2016L01208:reg:3
Version: federal_register_of_legislation:F2016L01208
Segment Type: reg
Provision Reference: reg 3
Character Range: 13148–13639

3     Seals and gaskets made of any of the following materials:
       (a) copolymers of vinylidene fluoride having 75% or more beta crystalline structure without stretching;
       (b) fluorinated polyimides containing 10% by weight or more of combined fluorine;
       (c) fluorinated phosphazene elastomers containing 30% by weight or more of combined fluorine;
       (d) polychlorotrifluoroethylene (PCTFE);
       (e) viton fluoro‑elastomers;
       (f) polytetrafluoroethylene (PTFE)