The Evolution of Eraser - History and Making of Rubber

Erasers have a rubbery consistency and come in a variety of shapes, sizes and colours. Some pencils have an eraser on one end. Less expensive erasers are made from synthetic rubber and synthetic soy-based gum, but more expensive or specialized erasers are vinyl, plastic, or gum-like materials.
EraserRubberManufacture process
rijalarogya added 9 months ago      in Amazing Facts and Videos