Tennis ball question?

Question

Hey what is the meterial of a tennis ball ie/ the yellow part!

Answer 1

The material is felt and it is made by a process called wet felting, where natural wool fiber is stimulated by friction and lubricated by moisture (usually soapy water), and the fibers move at a 90 degree angle towards the friction source and then away again, in effect making little "tacking" stitches. Only 5% of the fibers are active at any one moment, but the process is continual, and so different 'sets' of fibers become activated and then deactivated in the continual process until a sheet of felt is produced.

Answer 2

Felt

Answer 3

The material is felt and the specific color of it is optic yellow. The older balls were made of wool.

Answer 4

The outer material of a tennis ball is felt (usually wool treated with additives to make it last longer and resist staining)