The Core Material: Phenolic Resin The primary substance used for modern billiard balls is phenolic resin, a specific type of polymer celebrated for its rigidity and durability. 25 inches required by official regulations.
The Evolution of Billiard Ball Production: From Ivory to Phenolic Resin
This final verification ensures that the physics of the game remain true with every shot. The resin is compounded with specific catalysts and pigments to achieve the characteristic look and feel, ensuring that every ball sinks to the same weight specification of approximately 5.
This pressure forces the material to fill every corner of the mold cavity while simultaneously curing the polymer matrix, resulting in a seamless, solid sphere. This thermosetting plastic is the industry standard because it mimics the density and feel of traditional materials like ivory, without the ethical concerns or inconsistencies.
The Evolution of Pool Ball Manufacturing Techniques
When the molds close, they exert pressure up to several tons per square inch. The familiar click of pool balls colliding is a sound rooted in precision engineering and material science.
More About How are pool balls made
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