Fiber
Pondering Micron: 1/25,400 of an inch or 0.00003937 inch (decimal). 20 microns = .00007874, 25 microns = 0.00098425, the difference between them is 0.00019685. The range of thickness of a human hair is between 50 and 120 microns (0.0019685” – 0.0047244”) Average thickness 100 microns (0.003937”). A 5 micron difference is 44% thicker (pi r squared, area of a circle)
