Hollow Titanium Balls and Titanium Alloy Beads Balls have excellent corrosion resistance and can only be corroded by hydrofluoric acid and a medium concentration of strong alkali solution. In particular, the Titanium Ball is very stable to seawater. Putting the Hollow Titanium Balls and Titanium Alloy Beads Balls in the seawater for several years, after taking it out, they are still bright as before, far better than the stainless steel balls.