ISO Draft International Standard (DIS) 14644-13: available

A new draft cleanroom standard has been produced: ISO Draft International Standard (DIS) 14644-13: Cleaning of surfaces to achieve defined levels of cleanliness in terms of particle and chemical classification.

Guidance is provided on the assessment of cleaning methods for achieving the required surface cleanliness levels specified in ISO 14644-9: Classification of surface cleanliness by particle concentration and ISO 14644-10: Classification of surface cleanliness by chemical concentration. Different cleaning methods may be necessary depending on the degree of cleanliness required. The selection procedure considers aspects such as surface description, cleanliness specifications, types of contamination, cleaning techniques, and material compatibility. Guidance is provided on assessing cleaning efficacy.



Posted by Dr. Tim Sandle