Time -tested corrosion resistant coating that provides excellent galvanic corrosion protection to steel in some of the harshest environments. For over five decades, Carbozinc 11 has been the industry standard for high-performance inorganic zinc protection on steel structures worldwide. Carbozinc 11 VOC is simply a lower VOC version of the original Carbozinc 11 with VOC of 389 g/l as supplied.