Skateboarding is a fun form of transportation, a good source of exercise, a highly competitive sport and the genesis of an entire cultural movement. And the amazing stunts and high speeds of today’s best skateboarders were made possible with polyurethane.
Prior to the 1970s, skateboards relied on steel wheels, which provided a rough ride, or clay composite wheels, which wore out quickly. Enter Frank Nasworthy, an avid surfer and skateboarder who had visited the factory of a family friend and learned about a polyurethane wheel that was softer, but more durable than steel.
To make polyurethane skateboard wheels, polyurethane is...Athletics