Wiping in Grade B: Residue, Rotation and the Limits of Disinfectants
Disinfectant rotation is a strategy, not a cleaning method. In Grade B, the wipe has to remove what the agent leaves behind. A practical…
IPA Compatibility: What Solvent Wiping Does to the Wiper
Isopropyl alcohol is treated as a default cleaner. It is also a solvent with real effects on fibre, binder and edge finish. What changes…