1 Types of Gutters and How to Prepare for an Install. 2  Advice on Gutters and Downspouts. 3  Tips for Cleaning and Repairing Gutters.  Outdoor Spring Maintenance Tips.
One mil is 1/000th of an inch. A sheet of paper is 4/1000ths of an inch thick, so 10 mil has the thickness of 2 1/2 sheets of paper. A mil is not to be confused with a millimeter(mm). On average human hair is 100 microns or .004 inches. 10 mil is the width of about 2 and a half human hairs.
Micron Definition: A micron is a unit of length equivalent to a millionth of a meter. 1 micron = 1 Î¼m = 10-6 m. Also Known As: micrometer, micrometre, Î¼m. Examples: Red blood cells are approximately 10 microns in diameter. Human hair is between 10 and 100 microns in diameter. Find Chemistry Definitions From A to Z.