Admit it: you've tried it too. As a child, armed with your famous pink and blue eraser, you frantically rubbed a word with a pen… only to see your paper tear before your very eyes. That little blue half, meant to “erase the ink,” has shattered many a schoolchild's dreams.
But then, what is the blue part really for? Was it just a marketing ploy or a misunderstood professional tool? The truth is much more practical — and a bit nostalgic.
No, it was never designed to erase ink.
This is the most persistent myth in our school pencil cases. Contrary to popular belief, the blue part of the eraser was never intended to remove pen ink.
In reality, it all comes down to its composition: it contains abrasive particles, similar to pumice stone. In short, it's a kind of very fine, mini sandpaper, designed for harder surfaces. On a regular sheet of paper, these grains are too abrasive and eventually tear it.
Its true playing field? Resistant surfaces.
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