VATIS UPDATE Article

Developed by Kester, the United States, ‘Kester 5252’ is a halogen-free solvent developed for cleaning applications. 5252 is not ozone depleting and is environmentally friendly. It is a suitable substitute for chlorinated solvents used in cleaning applications where fast air drying is critical. 5252 is most effective as a solvent to clean stencils efficiently. It also readily dissolves misprinted solder paste, wave soldered flux residues and other organic contaminants from electronic assemblies.

5252 provides rapid, effective and safe cleaning action. This cleaning solvent is a non-ionic and relatively non-toxic liquid with a mild odor. 5252 can be used as a solvent for the following applications: stencil cleaning, cleaning of misprinted assemblies, removal of post-soldering flux residues and other organic contaminants from electronic assemblies (wave-soldered and reflow processes), and general purpose cleaning.

5252 may be used at ambient temperature with ultrasonic, stencil spray equipment, or immersion agitation or manual application. When the residue has completely dissolved and is no longer visible, the residual solution is rinsed off with more solvent. The purpose is not to only dissolve the residue, but also to remove it after it is dissolved. 5252 dries fast and usually does not require any water rinse. Contact: Kester, 800 West Thorndale Avenue, Itasca, IL, USA. Fax: +1-630-616-4044.