Clean Room Equipment

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Our GMP/FDA complaint LAF workbenches provide product protection for small to medium-sized work processes on a laboratory scale. Product protection is ensured by means of targeted air flow – a clean and low-turbulence air flows vertically or horizontally onto the work area and is released back into the surrounding area at table height. The airflow is restricted at the back through a sheet metal cassette element and at the sides with polycarbonate panes. The motor blower is statically and dynamically balanced so sufficient capacity and static pressure is maintained ensuring required airflow for the entire lifetime of the HEPA. Airborne particles are collected in a controlled manner and discharged.

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Cleanrooms find use in almost every industry where small particles of viable and non-viable particulate matter can have adverse effects on the manufacturing process. Cleanrooms vary in size and complexity and are custom built based on application. They are typically used for scientific research or manufacturing in a variety of industries including pharmaceuticals, biotech, medical device and life sciences, semiconductor manufacturing, as well as critical process manufacturing common in optics, aerospace, energy and military applications.

The market for cleanrooms in the life sciences industry has been growing steadily partly due to an increased demand for sterile biologic drugs. At the same time, cleanroom technology, by necessity, requires constant innovation to address the burgeoning need for new solutions that meet the increasingly stringent regulatory requirements and ever-high performance expectations from the industry.

In this post, we provide a primer on cleanrooms as well as the equipment typically used in cleanroom applications.

What is a cleanroom?

A cleanroom is a specially designed or constructed room with a controlled environment to ensure a low level of pollutants such as dust, airborne microbes, aerosol particles and chemical vapours. It has a controlled level of contamination specified by the number of particles per cubic metre at specified particle size (Particles are small, discrete mass of solid or liquid matter usually measured in microns). Everything from the air supply and distribution, the filtration of air supply, materials of construction and operating procedures as well as environmental parameters such as temperature, humidity and pressure are regulated to control airborne particle concentrations. Cleanrooms are classified in accordance with ISO standards. ISO 9 which is the lowest standard of cleanroom construction corresponds to the ambient air in a typical city environment with 35,000,000 particles per cubic metre, 0.5 microns and larger in diameter.

HEPA & ULPA Filters

The key component in cleanrooms is the HEPA (High-Efficiency Particulate Air) filter which is a critical part of the air filtration system. It is rated for 0.3-micron particles with varying efficiencies and is used to trap and isolate particles that are 0.3 microns or larger. All the air that is delivered to a cleanroom passes through these HEPA filters. ULPA (Ultra Low Particulate Air) filters are used when stringent standards of cleanliness and performance are mandated.

Cleanroom Personnel

While contaminants can enter a cleanroom via equipment, material or processes the most significant single controllable source of cleanroom contamination is personnel who work within the cleanroom facility.

Personnel who work in cleanrooms are trained in the aspects of contamination control. Depending on the application they are required to enter and exit the cleanroom through airlocks that may be or may not be connected to contamination control systems like air or mist showers so they can be decontaminated upon entry and exit.