Displaying items by tag: material
The category of your cleanroom will determine the specific type of materials that can be used in its construction or within it. For instance, acceptable solvents and garment materials vary amongst the different classes of cleanroom.
Microbial control is critical in cleanroom environments. Contaminated environments can lead to product recalls, regulatory observations, fines, or even consumer deaths. In order to properly prevent, destroy, and monitor microbial contamination in cleanrooms, several aspects of cleanroom microbiology must be understood. This foundational introduction to cleanroom microbiology discusses some of those aspects.
Cleanrooms are designed to prevent contamination and maintain cleanliness to specification. However, every time a person enters a cleanroom environment, that is a new opportunity to introduce contaminants. Because it’s necessary to avoid any preventable threat, there are rules about which materials are allowed within the cleanroom environment and which should never be present within that field. In this blog we will discuss allowed cleanroom materials and list items that should never be brought into a cleanroom.
Choosing which materials to use for a cleanroom construction is increasingly complex due to the wide variety of options now available. Jorge Nuero, Telstar, looks at key considerations for optimising cost and ensuring safety and quality
Deciding whether your cleanroom should be modular instead of drywall is not the only decision a project team has to make when considering a cleanroom. In most cases, the choice of panels is not as clear cut as once was the norm.
What to decide? Say for instance, you have decided to go with a modular system. Now you have to deal with the wide selection of materials available with different suppliersor within the assortment of a single supplier.
The selection of one or another of the mentioned materials may lead to the need of using supporting or enclosing material. “Soft” or easy to disaggregate material, such as rockwool, may require an enclosing structure to provide the panel with the necessary mechanical stability or to prevent the gravity falling effect of the disaggregation over time. Clean area SOP requirements may require the enclosure of any insulating material within the panel. The choice of the material used for the supporting/ enclosing structure may be dictated by the consistency with the material used for skin support. It will not make sense to use a higher quality material, such as aluminum, if the supporting skin is galvanized steel.
For those of us in lab design, we know that cleanrooms can be one of the most complex spaces to design. Cleanrooms provide a space where the particulate count in the air is regulated. A wide variety of clients require clean spaces to conduct their business, whether it’s based on their own SOPs (standard operating procedures) or required by regulatory agencies. Cleanrooms offer an indoor environment unique to any other indoor environment—and with it, pose some unique design challenges.
While the cost of materials used in cleanroom construction is always a concern, the durability of those materials is far more of an issue because of the high cost of repairs once the cleanroom is in operation. For example, if the flooring cracks or loses its ability to contain spilled chemicals, it may be necessary to tear up the finish, repair the cracks, and install another floor.
Concrete is an excellent construction material. Pourable and formable, concrete develops into a hard structural material capable of supporting heavy loads and is durable enough to last for many years. But concrete is porous and subject to wear and to attack from corrosive chemicals. Also, it tends to abrade and give off large amounts of dust, while spilled materials tend to seep into and through it. Even with additives to increase hardness and seal the surface, concrete cannot be exposed in cleanrooms. Still, it forms the base for almost all flooring materials that do provide the required characteristics. These materials must be compatible with the concrete substance and must adhere well for long-term durability.