Super Ball

This article is about the toy manufactured by Wham-O. For other highly resilient balls, see bouncy ball. For the championship game, see Super Bowl. For the Super Mario power up, see Super Mario Land § Gameplay.
A Super Ball containing particles of glitter, resting on a base. The translucent rubber has yellowed with age.

A Super Ball or Superball is a toy bouncy ball based on a type of synthetic rubber invented in 1964 by chemist Norman Stingley. It is an extremely elastic ball made of Zectron,[1] which contains the synthetic polymer polybutadiene as well as hydrated silica, zinc oxide, stearic acid, and other ingredients.[2] This compound is vulcanized with sulfur at a temperature of 165 °C (329 °F) and formed at a pressure of 3,500 psi (24 MPa). The resulting Super Ball has a very high coefficient of restitution,[3][4][5] and if dropped from shoulder level on a hard surface, a Super Ball bounces nearly all the way back; thrown down onto a hard surface by an average adult, it can fly over a three-story building.

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