What is the main ingredient in pencil erasers?

Answer According to PaperMate, rubber is not the main ingredient in pencil erasers. The primary component is a material called factice, which is vulcanized vegetable oil. Other ingredients include clay, c... Read More »

Top Q&A For: What is the main ingredient in pencil erasers

What is the main ingredient of pencil erasers?

Pencil erasers are usually made from rubber that has undergone the vulcanization process, and then mixed with pumice, quartz powder or other fillers. Increasing numbers of erasers are made from vin... Read More »

Why are pencil erasers pink?

By now, many pencil erasers are pink out of custom; contemporary science can make them nearly any color. However, the original pink eraser was the Pink Pearl, made by Eberhard Faber in the mid-1860... Read More »

How to Recondition Pencil Rubber Erasers?

Correcting a pencil mark should be a simple enough task, but sometimes a good eraser is nowhere to be found. Through trial and error, most people learn that old, dark and dried-out erasers never er... Read More »

What's the main ingredient...?