Touch upâs should be done minimum 4-6 weeks post the initial treatment. This allows time for eyebrows to heal fully before perfecting them for the second time. Free touch-ups are only valid up to 3 months from initial procedure date.
Re: The Tinny sound? Most folks that are concerned about a tinny noise with aluminum boats are referring to the noise generated by the hull moving through the water (which can be modulated/reduced through many different avenues). You mention vibration and rpms, so I'm guessing that you're not referring to that sound.
Uses: Tin is a silvery-white, soft, malleable metal that can be highly polished. Tin has a highly crystalline structure and when a tin bar is bent, a 'tin cry' is heard, due to the breaking of these crystals.It resists oxygen and water but dissolves in acids and bases. Exposed surfaces form an oxide film.in has a highly crystalline structure and when a tin bar is bent, a 'tin cry' is heard, due to the breaking of these crystals. It resists oxygen and water but dissolves in acids and bases.