Cleanliness
Each field of application requires a diffeent degree of cleanliness
Primary Cleanliness – Finishing of new equipment
Final equipment qualification requires the complete elimination of surface impurities:
- Organic contamination (oils and greasy films)
- Physico-chemical contamination (oxides, inclusion)
- Particle contamination (mechanical deposits, solid films)
Nuclear, Aerospace and Pharmaceutical industry.
All processes conducted in controlled environments require in-depth cleanliness checks to be performed. Finishing phases always include rinsing with demineralised water:
- White-cloth cleanliness tests
- UV lamp contamination tests
- Particle and chemical cleanliness test based on lixiviation