How Are Bowling Balls Made?

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How Are Bowling Balls Made?

The game of bowling has been around since ancient times and is still a popular pastime today. But have you ever thought about what goes into making a bowling ball? It turns out that there’s quite a bit of artistry and craftsmanship involved in the process of creating the perfect bowling ball. Let’s take a look at how bowling balls are made.

Step 1: The Molding Process

Making a bowling ball starts with the molding process. This step involves pouring liquid polyester resin into molds heated to approximately 240 degrees Fahrenheit. After the resin has cooled, it is removed from the molds and then cut down to the desired size and shape for each type of bowling ball. Once this part is done, it’s time to add some color.

Step 2: Adding Color

To give each bowling ball its unique look, dyes are added during manufacturing. These dyes can be added to the ball’s core or outer surface, depending on what type of color is desired. For example, if you want your bowling ball to have an interior swirl pattern, you would add dyes directly to the core.

On the other hand, if you want your ball to have an exterior gradient effect, you would add dyes directly to the outside surface of the ball.

Step 3: Finishing Touches

Once all of this is complete, it’s time for the finishing touches! The last step in making a bowling ball involves sanding down any rough edges or imperfections and then polishing it up with wax or oil to look just right when finished. Some manufacturers will also use clear coatings or protective films on their balls in order to enhance durability and longevity.


As you can see, making a bowling ball isn’t just about rolling up some clay and throwing it on a spinning wheel – there’s quite a bit of artistry involved in crafting each piece. From choosing exactly which, colors should be used inside and out to buffing out any imperfections with wax or oil – no two balls are alike when they leave their makers’ hands.

Courtesy of Discovery UK YouTube channel