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Why Your Cleanroom Needs HEPA Filtration

The goal of any clean room is create a carefully controlled environment to allow highly sensitive processes to be carried out without the risk of contamination. As well as maintaining optimal temperature and humidity levels, it is also vitally important to filter out any dust or other pollutant particles in the air. The most effective way to achieve this is with High Efficiency Particulate Arrestance (HEPA) filtration.

What is HEPA filtration?

A HEPA filter contains a mat comprised of randomly arranged fibres, typically fibreglass, which are only 0.5 to 2.0 micrometres thick. Air is passed through the HEPA filter and pollutant particles are trapped by the fibres, resulting in ‘clean’ air on the other side of the filter ready for use in your clean room.

HEPA classes

In the EU, HEPA filters are classified by how effectively they retain relevant particles. The classes range from E10 up to U17, with U17 being the most effective and capable of collecting more than 99.9999% of airborne particulate matter. Which class of filtration you need will depend on the type of processes you are engaged in and the sorts of particles likely to be found in the environment.

Limitations of HEPA filtration

This type of air filtering is highly effective at removing very fine particles from the atmosphere, however they are not effective against gasses and odour molecules. If you require chemical vapours, volatile organic compounds or odours removed from the air then additional filters, such as activated carbon will be required. It is important, therefore, you have a clear understand of exactly what your requirements are before choosing your filtration systems.

Here at TEK we specialise in creating cleanrooms for manufacturing, research laboratories, the pharmaceutical industry and more. We will work with you to help achieve the exact type and level of filtration you need to enable you to effectively and efficiently carry out your operations.

To find out more or to book a consultation call today on 0117 9523355 or fill out our contact form for a prompt response.