Flux Pens

The Kester Flux-Pen® is a unique tool for rework and touch-up soldering. It allows controlled application of flux, eliminating the mess from flux bottles. Flux Pensa are ideally suited for surface mount rework, component add-on applications, and TAB assembly operations

Flux-Pen® Formulas
Characteristics 951 186 2331-ZX HF-1189A
Flux Type Low Solids
No-Clean
"RMA"
No-Clean
Neutral pH
Water Soluble
VOC-Free Organic Water Soluble
Product Characteristics Very low solids, resin free, practically no residue after the soldering process. Designed for high thermal stability and superior solderability. Military approved formula for add-on and rework application. Neutral pH for the 2331 & 2331-ZX wave solder flux user who has additional add-on and rework applications. VOC-Free, halide free, citric acid based, water based flux developed by Hughes for use in military applications
Compliant Specifications Bellcore Issue 3
TR-TSY-000078
ANSI/J-STD-004
ANSI/J-STD-004 ANSI/J-STD-004 ANSI/J-STD-004
Residue Removal Method Designed not to be cleaned. May be removed with hot de-ionized water water at 140-160°F or a 1% solution of Kester's #5768. Residue is non-corrosive, however, removal is possible with solvent or a water wash containing a 7% solution of Kester's #5768. Residue removal is required. Use soft or de-ionized water at temperatures of 120-150°F. Residue removal is required. Use soft or de-ionized water at temperatures of 120-150°F.