In the beginning tenpin bowling balls were made from Lignum Vitae, which is a hard wood, this was replaced in 1905 by the Evertrue which was made from a form of rubber. The next ball to come on the scene was the Mineralite ball made by Brunswick a manufacturer of billiard balls. The next step was the polyester ball in the 1970s and then by urethane 1980s.

The core of the ball is made from dense blocks and is what causes the ball to roll down the alley, depending on the weight and placement of this core is the ability to hook or curve the ball. This was altered greatly in the 1990s this development was followed closely by the introduction of reactive urethane or resin to make balls by.

The Making of a Tenpin Bowling Ball – the Raw Materials

The price of the ball to be made will determine the type of material used, for low priced balls the outer cover (coverstock) is polyester. Urethane is used for the middle priced balls and for the most expensive balls resin is used.

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