Getting to Grips with Shore Hardness of Polyurethane
Getting the shore hardness of polyurethane right is the difference between a part that lasts for years and one that fails in the first five minutes. If you've ever touched a skateboard wheel, a soft silicone spatula, or a hard plastic bowling ball, you've experienced different levels of shore hardness. In the world of manufacturing and engineering, we don't just guess how "squishy" or "stiff" something should be; we use a specific scale to make sure every batch of material performs exactly how it's supposed to. ...