- (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.
- (b) Threaded joints that are to be seal welded must be made up without any thread compound.
[CGFR 68-82, 33 FR 18843, Dec. 18, 1968, as amended by USCG-2003-16630, 73 FR 65185, Oct. 31, 2008]