COAX-SEAL Is an advanced plastic material that quickly and effectively seals all types and shapes of coax fittings. COAX-SEAL is non-toxic, non-corrosive, non-conducting and can be used for many electronics applications. COAX-SEAL stays flexible for years and will ensure moisture-proof connections, long cable connection life and good SWR. COAX-SEAL can be easily removed to disconnect fittings.