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Basic cleanroom definition

In many of today's production areas it is necessary to monitor and control particle concentrations in the air. Any type of contamination must be effectively prevented. This is particularly important for semiconductor manufacturing plants, medical facilities, pharmaceutical companies and the like.

When seated, a single person gives off up to 10 million particles per minute through normal movements of the arms alone. Cleanroom systems are tasked with effectively counteracting the hazards presented by humans and the workstation itself.
Our product range offers a large selection of cleanroom products designed to help you maintain your individual directives related to particle concentration. These products include shelving units, transport and device trolleys, tables, cupboards, changing room furnishings, waste collectors, industrial chairs and more. Where possible, we provide a recommendation for each product regarding the cleanroom classes for which it may be used. The basic conditions of your cleanroom (e.g. particulate type, media used, etc.) and your company internal guidelines are critical factors for the selection and procurement of products. We would be happy to advise you which product version is suitable for your specific application.
A cleanroom provides a specific area in which work can be performed under "clean" conditions. These conditions are required in an ever growing number of sectors: in the medical sector, research laboratories, in food processing, pharmaceutical, electronics and semi-conductor industries.

The contamination of the production area, due to dust and particles, would impact product quality - to a limited degree or significantly. Simply providing the room with clean air alone is not sufficient in creating a "clean" workstation. The accumulation of contaminants in the room must also be prevented. All the same, virtually no cleanroom is identical to the next. The size of the room, the process flow, the desired cleanroom class and of course, the cost of investment and operating costs, all necessitate individual solutions.

Function of cleanroom systems

Cleanroom systems protect products, processes and personnel from the damaging effects of impurities. The actual function of the cleanroom system is to ensure that a previously specified level of air purity, with regard to airborne particulate impurities, is maintained. This is necessary to prevent the damaging effects of such airborne impurities on processes and personnel.

In a broader sense, this translates into the following tasks:
  • Keeping particles in the ambient air out of the work area
  • Air filtration and routing of air flow
  • Gradation of vacuum and excess pressure between larger and smaller spaces
  • Maintaining certain air properties such as temperature and relative humidity
  • Supplying processes with ultra pure media
  • Cleanroom compatible production engineering and process control
  • Adapted behavioural patterns of personnel and the training and motivation required for this
  • To control the external purity of products, work surfaces and packaging
  • To purge and decontaminate process exhaust

Product protection:

  • Protects materials from cross-contamination by other active substances manufactured in the same working process
  • Safeguards semi-finished and finished goods in pharmaceutical production from contamination due to microorganisms and their metabolites (pyrogens)
  • Protects working processes in the biotech industry against contamination from foreign microorganisms
  • Ensures the sterility of parenterals

Personal protection:

  • Shields personnel from process risks
  • Protection against contact with highly active materials
  • Protects the work environment from hazardous substances
With this spectrum of tasks, the cleanroom system is a critical link in the chain of protective measures for the production of pharmaceuticals, foodstuffs, semi-conductors, etc.

Cleanroom planning

The following can be gleaned from the table below:

  • Which cleanroom classes exist
  • Which air exchange rates are required for each class
  • Which filter you need
  • Which percent of the ceiling surface the filter must represent
Cleanroom classes according to ISO 14644-1 8 7 6 5 4 3
Cleanroom classes according to US federal standard 209E 100,000 10,000 1,000 100 10 1
Cleanroom classes according to GMP D C Target point sample A, B
Routing of air flow TMS TMS Transition TAV TAV TAV
Filter coverage area (%) 5 - 10 10 - 20 30 - 70 > 80 > 90 100
Air exchange rate (1/h) 66.7 133.3 200 - 466 533 600 666.7
End filter H12 H13 H14 H15 U15-16 U17
OUR TOP PRODUCTS IN THIS Guide to Cleaning Solutions
QUIPO - Heavy duty work table
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Dispenser for disposable gloves
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