Oxide Inhibiting Electrical Joint Compound, 8 OZ, For Al-Al, Al-Cu & Al Conduit Threads / Insulated Cable. 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 General Application Aluminum to Aluminum, Aluminum to Conduit, Aluminum to Copper Application - For Use On Aluminum to Aluminum;Aluminum to Conduit;Aluminum to Copper Catalog Number PENA138 Container Type Squeeze Bottle EU RoHS Indicator Pour Point -40 °F Product Family Hardware/Inhibitors/Sealants>Oxide Inhibitor Product Type PENETROX A13 Sub Brand PENETROX Temperature - Dropping Point Fahrenheit 350 °F Trade Name PENETROX™ Type Sealing compound UPC 781810592571 UPC 14 Digit GTIN 00781810592571 Viscosity at 100 Fahrenheit 250 °F Dimensions Package Height 0 in Package Length 0 in Package Weight 0 lb Package Width 0 in Certifications And Compliance Certification - CSA Approved No Certification - cULus No Certification - ETL No Certification - UL Recognized No EU RoHS Indicator Standards - RoHS Compliance Status CM UL Listed Yes Operational Temperature - Dropping Point Fahrenheit 350 °F Viscosity at 100 Fahrenheit 250 °F