Dismantling an antenna after several years can sometimes be a nightmare. The aluminium has bound and the tubes are perfectly soldered. The combination of stainless steel and aluminium also causes a chemical reaction which is often deleterious for electrical contacts, especially with RF. Compared to the price of an antenna, the investment required in preventative products is derisory, moreover it has other uses. The greases we offer are of professional quality made in France. For decades they have been particularly used on repeater sites subject to extreme climatic conditions.