49 CFR 178.33b-5 - Material.
(a) The receptacles must be constructed of polyethylene terephthalate (PET), polyethylene napthalate (PEN), polyamide (Nylon) or a blend of PET, PEN, ethyl vinyl alcohol (EVOH) and/or Nylon.
(b) Material with seams, cracks, laminations or other injurious defects are forbidden.
Title 49 published on 2015-10-01
The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 49 CFR Part 178 after this date.