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  • Writer's pictureCleanroomsUSA

What is a Portable Cleanroom?

A portable or modular cleanroom is a compact, preconstructed standalone system requiring electrical power and cooling. Depending on the style, they can be delivered in 4-8 weeks and installed swiftly, typically within 1-3 weeks.


These cleanrooms are quick to install due to their prefabricated nature, resulting in minimal disruption to operations and low contamination risk. Additionally, factory-designed and fabricated cleanrooms reduce or eliminate the need for architects, engineers, and contractors, saving both time and money.


Some portable cleanrooms are equipped with wheels or casters for easy mobility, while others are shipped in sections on pallets. When disassembled, moved, and reassembled, 90-95% of their components or materials can be reused, enhancing their cost-effectiveness. Certain styles, like modular hardwall systems, may even qualify for accelerated depreciation.


Designed to meet ISO levels 8 to 5 or Federal STD Class levels 100 to 100,000, portable/modular cleanrooms function as standalone units, creating clean zones and hygienic work areas within existing cleanroom spaces, making them ideal for R&D and product development. They require minimal space, offer mobility, are cost-effective, and provide exceptionally clean and filtered airflow, ensuring a workable, uncontaminated, and sanitized environment.


The primary function of portable/modular cleanrooms is to control airborne particles such as dust, microbes, aerosol particles, and various chemical vapors to meet required limits and standards. HEPA filters, found in every cleanroom, play a crucial role. HEPA filters can trap 99.97% of particles 0.3 microns or larger, ensuring cleanroom air is free of contaminants or microbes.


According to IQS, in cases where there are demanding requirements for a Lower ISO or Federal STD Class levels, such as ISO3 or Cl 10, ultra-low particulate air (ULPA) filters can be used to remove 99.9995% of particulates down to 0.12 µm. Visually, a ULPA looks identical to a HEPA filter, with the only difference being the type of filter media. Other than that, ULPA filters perform the same function as HEPA filters.


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Contact us today and one of our cleanroom experts will discuss the best path forwards for your project.





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