# b-5 Material.

- **operation:** document
- **citation:** 49 CFR 178.33b-5
- **title:** b-5 Material.
- **source type:** regulation
- **agency:** Pipeline and Hazardous Materials Safety Administration
- **status:** current
- **official:** true
- **published on:** Not available
- **effective on:** 2026-08-18
- **summary:** (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.

[74 FR 2268, Jan. 14
- **machine formats:** - **json:** https://regulus.evalyn.ai/document/49-cfr-178-33b-5.json
- **markdown:** https://regulus.evalyn.ai/document/49-cfr-178-33b-5.md
- **app url:** https://regulus.evalyn.ai/document/49-cfr-178-33b-5
- **source url:** https://www.ecfr.gov/on/2026-08-18/title-49/section-178.33b-5
**body:**

(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.

[74 FR 2268, Jan. 14, 2009]
- **truncated:** false
- **body characters:** 307