What Are the Different Clean Room Classes?

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In manufacturing environments that require a minimal amount of particles, clean rooms are essential. Particles and pollutants from the outside can affect production cycles,  nullify test results, and increase operating costs. And any variables in these environments, such as changes to temperature and the presence of people, require strict regulation—not only to maintain the integrity of products, but to adhere to domestic and international regulations for manufacturing those products.

Today, manufacturing facilities around the world adhere to global clean room classifications as set forth by the International Standards Organization (ISO). The standard breaks down into different classes, ISO 1 to ISO 9, and supersedes domestic standards such as Federal Standard 209 (“Airborne Particulate Cleanliness Classes”) in the United States.

ISO classifications are determined by the number and size of particles found in the air in a given facility. The minimum requirements and certification process will depend on what the clean room use case, be it pharmaceutical production, weapons production, or otherwise. Larger facilities will often have multiple clean room environments with different cleanliness standards.

According to Clean Air Technology Inc., “the ambient air outside in a typical city environment contains 35,000,000 particles per cubic meter.” That’s per cubic meter. When you consider all the foot traffic coming in and out of clean rooms, the need for cleanliness control becomes clear. And though it is hardly the only consideration, protecting footwear essential to limiting the introduction of foreign particles into a clean room.

That’s why we’ve developed convenient, 100% disposable clean room shoe covers. Our shoe covers are automatically applied in about three seconds, and help limit the introduction of pollutants in high-traffic areas such as clean rooms, labs, and medical facilities. To learn more about Sole Mate automatic shoe covers, click the button below to view our product line.