It bounces but breaks when given a sharp blow it can also float in a liquid and will form a puddle given enough time. Other names are used to market similar substances from other manufacturers.ĭescription Video showing Silly Putty bouncingĪs a bouncing putty, Silly Putty is noted for its unusual characteristics. The name Silly Putty is a trademark of Crayola LLC. It was originally created during research into potential rubber substitutes for use by the United States in World War II. It contains viscoelastic liquid silicones, a type of non-Newtonian fluid, which makes it act as a viscous liquid over a long time period but as an elastic solid over a short time period. It bounces, but it breaks when given a sharp blow, and it can also flow like a liquid.
Silly Putty is a toy containing silicone polymers that have unusual physical properties.
For the cave in Utah, see Nutty Putty Cave.