Hydrosilex Marine Ceramic Coating (128Oz) Spray On Ceramic Coating W Sio2 Uv Protectant Protects Hull From Salt Water Damage Protection For Boats, Yachts Personal WatercraftsHydroSilex Marine is the leading ceramic coating meant to replace waxes and other sealants that you may have previously used on your boat HydroSilex will create a slick surface..