PENETROX™ Oxide Inhibiting Joint Compounds are available in many types
PENETROX A is a natural compound recommended for aluminum to aluminum, aluminum to copper connections and aluminum conduit threads, it is not recommended for use with rubber or polyethylene insulated conductors
PENETROX A13 is a synthetic base compound with evenly suspended zinc particles recommended for aluminum to aluminum, aluminum to copper, and also aluminum conduit threads
PENETROX E is a synthetic base with evenly suspended copper particles, recommended for copper to copper, copper threads, and all grounding applications