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Specialty Resins

Bowling Ball/Sports BallsResins for Bowling Balls and Sports Balls

Interplastic resins are used in the cores and shells of bowling balls. The core resins are designed to accept high filler loadings. They are also crack-resistant and allow for a fast de-molding time. The shell resins are inherently tough and have a controlled exotherm so the shell will not crack during processing. Once the resin is cured, the balls are extremely durable. Our resins are also used in the manufacture of other kinds of sports balls such as croquet and bocce balls.


SIL36BA-1937 is a polyester resin promoted for ambient temperature cure using methyl ethyl ketone peroxides. This resin contains styrene and is designed to be used with various fillers in the production of bowling ball cores.