StacksVerified U.S. regulatory reference

49 CFR §195.559

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
Coating material for external corrosion control under § 195.557 must—
  1. (a)Be designed to mitigate corrosion of the buried or submerged pipeline;
  2. (b)Have sufficient adhesion to the metal surface to prevent under film migration of moisture;
  3. (c)Be sufficiently ductile to resist cracking;
  4. (d)Have enough strength to resist damage due to handling and soil stress;
  5. (e)Support any supplemental cathodic protection; and
  6. (f)If the coating is an insulating type, have low moisture absorption and provide high electrical resistance.