How Is Sandpaper Made? The Surprising Truth: It Contains Almost No Sand

How Is Sandpaper Made? THE SURPRISING TRUTH: IT CONTAINS ALMOST NO SAND reveals what this rough little sheet is really made of.

Sandpaper may sound like paper covered in sand, but modern sandpaper contains almost no ordinary sand at all. In this video, we uncover the surprising journey from ancient shark skin and crushed glass paper to today’s engineered abrasives made with aluminum oxide, silicon carbide, garnet, synthetic diamond, resin glue, electric fields, and precision grit systems.
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