With the core loaded into the mold, urethane resin is poured in through the top until all the empty space is filled. But you’re not done yet. All those little air bubbles in the resin need to be ...

The next approach was to make a mold with the 3D printer and pour the chosen polyurethane resin in, but a simple hollow mold didn’t work because the polyurethane heats as it cures. The combined ...

G-SHOCK is back with another lineup of GM-5600 and GM-2100 watches. Building upon its formula of hardwearing functionality, ...

If you think "polyurethane" sounds like the name of a plastic, you're absolutely right. A liquified plastic resin, polyurethane (often simply called poly) hardens after application. It's available ...