Liqui moly 6107 cavity protection brown 500ml liqui moly 6107 p align left this cavity protection 500ml from liqui moly has been developed for supplementing cavity protection on new vehicles retreating sealants after 2 3 years and supplementing corrosion protection after accident repairs non solvent based corrosion inhibitor that forms a very tough permanently soft water repellent protective film p liqui moly 6107 cavity protection brown 500ml