I n our robot testing, conducted by the independent clubfitting chain Cool Clubs, golf balls with urethane covers preferred by tour pros averaged 30 to 50 percent more spin on a 45-yard pitch shot ...

It's probably not surprising that bowling balls are quite dirty. After all, countless people stick their fingers into the communal balls every day - and you didn't think they were cleaning between ...

Elasthane polyether-urethane is a high-strength, aromatic thermoplastic with a chemical structure and properties similar to Pellethane 2363-55D, manufactured by the Dow Chemical Company. Elasthane ...

At the same time, the ball's urethane cover provides optimal spin with short irons and wedges, allowing for consistent flights while controlling distance. Golfers love the feel and responsiveness ...

National FA competitions may require the use of balls bearing one of these marks. In matches played in an official competition organised under the auspices of FIFA, confederations or national football ...