As a bouncing putty, Silly Putty is noted for its unusual characteristics. These can be filled with filling materials, like toothpaste, caulk or putty. Silly Putty is also a fairly good adhesive. The mixture had the consistency of a thick paste or putty. Condensation silicones are commonly used as a putty, paste or light bodied material. The burnt shell can then be slaked and turned into lime putty. Gel cells add silica dust to the electrolyte, forming a thick putty like gel. Traditional lime mortar is a combination of lime putty and aggregate (usually sand). Silicone, the main ingredient in silly putty, was put on ration, harming his business. It is mainly used in paints, putty, and in plastics. The Xming project also offers a portable version of PuTTY. Many plumbing fixtures are sealed to their mounting surfaces with plumber's putty. Walter R. Booth's "Animated Putty" (1911) featured clay molding itself into different shapes. The name "Silly Putty" is a trademark of Crayola LLC. These aquariums had the glass panels attached with metal frames and sealed with putty.