If you think that tennis balls are simply yellow fuzzy balls, one no different from another, you are most definitely wrong. Tennis balls are much more than that. Here are some facts about tennis balls that you may or may not already know:
Pressurized vs. Pressureless Tennis Balls:
· There are two main types of tennis balls: pressurized and pressureless.
· Pressurized tennis balls have a hollow core, filled with air. Some tennis ball manufacturers use nitrogen in the center, because this air tends to last longer – pressurized balls will lose their pressure after about a month or so after opening the pressurized can that they come in. As they lose their pressure, they become “dead” and do not bounce so well.
· Pressureless balls have a solid core. These tennis balls are great for anyone who does not play tennis that often and/or to use and training tennis balls. These tennis balls do not lose their bounce. However, the felt will slowly wear off, and they will eventually need to be replaced.
Regular Duty, Extra Duty, or High Altitude Tennis Balls:
· When you buy tennis balls, the container that they come in should be clearly