48 CFR · Federal Acquisition Regulation and Defense supplement

FAR and DFARS navigator

The codified text (eCFR, as of 2026-10-02). Under the Revolutionary FAR Overhaul ↗, agencies follow class deviations with new text for many parts while the formal rules go through the Federal Register: check the solicitation and your contract's clauses, which rule.

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2 sections with “Foam blowing agents”

  • FAR 52.223-21 Foams.
    As prescribed in 23.109(d)(4), insert the following clause: Foams (MAY 2024) (a) Definitions. As used in this clause— Global warming potential means how much a given mass of a chemical contributes to global warming over a given time peri…
  • FAR 23.109 Solicitation provisions and contract clauses.
    …warming potential hydrofluorocarbons (in PSC 6850); (vi) Corrosion prevention compounds, foam sealants, aerosol mold release agents, and any other preservative or sealing compound that may contain ozone-depleting substances or high global …

FAR (chapter 1)

DFARS (chapter 2, Defense)

Source: eCFR, 48 CFR chapters 1 and 2 (GPO GovInfo bulk data) ↗. Rule changes in progress: FAR, DFARS. Terms: glossary.