CARBOZINC 11 5 GAL. KIT 0700|Carboline's Carbozinc 11 is a time-tested corrosion resistant primer that protects steel galvanically in the harshest environments. For over forty years, it has been the industry standard for high-performance inorganic zinc protection on steel structures worldwide. It is also a rapid-cure and low-temperature cure formula, and shows very good resistance to salting.