What does 20 microns mean?

Answer 1

20 microns means 20 millionths of a meter or about 1/1300-inch.

For jewelry it refers to the thickness of the gold plating (usually) on silver base metal.

The thicker it is the higher the cost, but the more durable it is also.

Answer 2

20 microns is a unit of measurement equal to one millionth of a meter. It is commonly used to measure the size of particles or the thickness of materials in various industries such as semiconductor manufacturing, filtration, and printing.

Answer 3

0.02mm, 0.002cm, 0.00002m, 20000nm, 200000 angstroms, 20000000pm