StacksVerified U.S. regulatory reference

46 CFR §56.90-10

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
  1. (a)Any compound used in threaded joints must be suitable for the service conditions and must not react unfavorably with either the service fluid or the piping materials.
  2. (b)Threaded joints that are to be seal welded must be made up without any thread compound.