How do I validate cleanliness when using vapor degreasing solvents?

Cleanliness validation is essential in industries where performance and safety depend on residue-free parts. Here are the most common methods:

• Gravimetric Testing: Weighing parts before and after cleaning to measure the total nonvolatile residue (NVR) left behind.
• FTIR Analysis: Using infrared spectroscopy to detect organic residues at trace levels.
• Water Break Test: Ensuring no hydrophobic films remain by checking how water sheets or beads on a surface.
• Dyne Testing: Measuring surface energy to confirm readiness for coatings, adhesives, or bonding.
• SIR (Surface Insulation Resistance): Common in electronics to confirm that no ionic residues remain that could lead to conductivity issues.

BestSolv® Engineered Fluids are designed for high solvency and fast drying, making them ideal for meeting these validation standards.

At Best Technology, we don’t just supply the solvent — we work with you to ensure your parts consistently meet the standards required for aerospace, medical device, and electronics manufacturing.