Why are carbon fibers so thin?

Why are carbon fibers so thin?

Carbon fibers are about 5 to 10 micrometers (0.0002–0.0004 in) in diameter. Why make them so thin? In short, carbon fibers are manufactured through the stabilization, carbonization and graphitization of a precursor (generally polyacrylonitrile or petroleum pitch). The...
The history of fiberglass

The history of fiberglass

The use of fiberglass dates back to 1836 when Ignace Dubus-Bonnel received the world’s first patent on a method of making them. At the time, fiberglass was hard to make thin enough to be completely flexible, and no reliable method of mass production existed. These...