Clean Room Classification

Each Clean Room is classified by air-cleanliness level: the standard that breaks down the various classes is ISO 14644-1. ISO 1 is the highest cleanliness class and ISO 9 is the lowest.

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Clean Room Classification

Each Clean Room is classified by air-cleanliness level: the standard that breaks down the various classes is ISO 14644-1. ISO 1 is the highest cleanliness class and ISO 9 is the lowest.

Discover

Classification of Clean Rooms

ISO Class 1 to 9 classification for Clean Rooms refers to the maximum permitted concentrations of suspended particles—those between 0.1 to 5 microns in size—per cubic metre of air.

ISO 1

Clean Room

  • unidirectional airflow
  • average airflow speed of 0.3 – 0.5 metres per second
  • surface coverage > 90%
  • maximum of 10 particles (0.1 micron size) per m³

ISO 2

Clean Room

  • unidirectional airflow
  • average airflow speed of 0.3 – 0.5 metres per second
  • surface coverage > 90%
  • maximum of 100 particles (0.1 micron size) per m³

ISO 3

Clean Room

  • unidirectional airflow
  • average airflow speed of 0.3 – 0.5 metres per second
  • surface coverage > 90%
  • maximum of 1,000 particles (0.1 micron size) per m³
  • corresponds to Federal Standard class 1

ISO 4

Clean Room

  • unidirectional airflow
  • average airflow speed of 0.3 – 0.5 metres per second
  • surface coverage > 90%
  • maximum of 10,000 particles (0.1 micron size) per m³
  • corresponds to Federal Standard class 10

ISO 5

Clean Room

  • unidirectional airflow
  • average airflow speed of 0.2 – 0.5 metres per second
  • surface coverage > 80%
  • maximum of 100,000 particles (0.1 micron size) per m³
  • corresponds to Federal Standard class 100

ISO 6

Clean Room

  • mixed airflow
  • air changes per hour: 70 – 160
  • surface coverage 30 – 50%
  • maximum of 1,000,000 particles (0.1 micron size) per m³
  • corresponds to Federal Standard class 1,000

ISO 7

Clean Room

  • mixed airflow
  • air changes per hour: 30 – 70
  • surface coverage 15 – 20%
  • maximum of 352,000 particles (0.5 micron size) per m³
  • corresponds to Federal Standard class 10,000

ISO 8

Clean Room

  • mixed airflow
  • air changes per hour: 10 – 20
  • surface coverage 5 – 10%
  • maximum of 3,520,000 particles (0.5 micron size) per m³
  • corresponds to Federal Standard class 100,000
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Galvani
Clean
Rooms

What sets a Galvani Clean Room apart from other Clean Rooms? The all-inclusive, turnkey service, which includes planning, design and direct manufacturing, from design to end use.

Planning and design are carried out in our workshops, where we tailor the solution to any cleanliness need. We manufacture the components in our own facilities, guaranteeing the highest quality and perfect adherence to the design. All technology involved is tested, certified and implemented for efficiency and to remain in step with the latest innovations.

All processes involved are carried out with maximum efficiency in mind and with the ultimate aim of providing a Turnkey product. When delivered, the solution is ready to use straight away.

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Different solutions
for different sectors

Knowledge is limited if you do not branch out. At Galvani, we bring our know-how and expertise to different fields, allowing us to find the best solution for any need. Discover the solutions we have come up with for each different sector, or ask us for one tailored to your business.

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