BOWLING BALL COVERSTOCKS

A good essay about bowling ball coverstocks can be found at bowlingball.com. Have you wondered what the differences are between polyester (sometimes called plastic), urethane, reactive resin, and particle coverstocks? For the reactive resin coverstocks, what are the sub-groups solid, pearl, and hybrid? This essay explains it pretty well. A more thorough essay on the reactive resin sub-groups can be found here.