If you’ve always wanted to see how erasers were manufactured, then check out this interesting “How it’s Made” segment. Video after the break.
Erasers have a rubbery consistency, and they are often white, brown or pink although with modern materials they can be of any color. Many pencils are equipped with an eraser on one end. Typical erasers are made of rubber, but more expensive or specialized erasers can also contain vinyl, plastic, or gum-like materials