HERNON® Self Sealer products are tough, pre-applied, non-hardening thread sealants. They provide instant seal on different pipe threads and can be used up to eight (8) times without re-coating. Self-Sealer products are water based, non-toxic, and safe and can be applied easily without special handling precautions. Self-Sealer products provide resistance to vibrational loosening, because of their prevailing torque characteristics. Therefore, they are very effective on locking applications.