Well, think of it. rubber would be better than most things you can think of, huh? And if it's just too hard for you, than rubber is for the difficulty level.
The type of rubber used to make balls is called polybutadiene rubber.
They are balls that are used to play squash.
To make them bounce.
Rubber balls make good cat toys. Most cats love to chase them around.
There is no doubt any rubber ball will have an optimum "bounce" temperature and it is unlikely this is room temperature. it could in fact be cooler. It is well known squash balls are warmed up before being used, so it is likely warming bouncy balls up will make them bounce more.
uses of a rubber tree 1.Prehistoric uses 2.Manufacturing 3.Textile Applications
to make the rubber or other plastic for balls,boots etc.
list of items made of rubber
Yes, the Maya used rubber from rubber trees to make various tools and objects. They developed a process for extracting and shaping rubber, using it for making balls, sandals, and waterproof materials. Rubber was an important material in Maya society for both practical and ceremonial purposes.
The rubber balls used in 40mm rubber ball munitions for the Marines typically have a caliber of 40mm. These projectiles are designed for use in launchers that fire 40mm rounds and are intended for crowd control and non-lethal applications. The rubber balls are engineered to minimize injury while still being effective for their intended purpose.
Bouncy balls are typically made from rubber or plastic materials. These materials are heated and molded into a spherical shape, then cooled to create the bouncy ball. Some bouncy balls may also contain additives to enhance their bounce and durability.
Latex is used in the manufacturing of most rubber balls that are produced. However, it is possible to purchase rubber balls which are made of a vinyl material for people with latex allergies.