How Big is a Micron?

In the world of cleanrooms, we are used to talking about microns. If you ask the question "how big is a micron?" in our office, you will get the automatic response of, "a micron is one thousandth of a millimetre."

Micron Diagram Hair

We know that its SI symbol is µm, that 1 micron can be written 10-6 and that you are allowed no more than 102,000 particles of size 0.3µm in an ISO Class 6 Cleanroom.

But how often do we actually think about how small a micron actually is? Take a look at the diagram to find out.

Given this microscopic level of environmental control, a classified clean environment can be a huge driver for creating a repeatable, mission critical environment.

How big is a micron

Read About Cleanroom Design and build

Related articles

7 Steps to a Cleaner Environment

The risk to a finished products sterility increases, as operator activities increase within an asept...

Read more

ISO 14644-1:2015 Compliant Cleanroom Monitoring

We discuss the changes to sampling procedures and monitoring plans for cleanrooms and clean zones in...

Read more

The Importance of Cleanroom Validation

Cleanroom validation offers ISO compliance and peace of mind.

Read more