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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.

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11y ago

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Related Questions

What is 20 microns expressed as a decimal in centimeters?

20 microns is 0.002cm


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100 microns is 20 times thicker than 5 microns


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