Kester 979 Soldering Flux, VOC-Free No-Clean, 1 gallon

Kester 979

- is a VOC-free, no-clean flux formulation for high quality, low-defect soldering of electronic circuit board assemblies.

- offers the best wetting available in VOC-free liquid flux technology and the shiniest solder joints.

- reduces micro solderballing on glossy laminates and between connector pins.

- will not attack properly cured solder masks or FR-4 Epoxy-Glass laminate.

- leaves a minimal amount of residue after soldering. All remaining residues are non-corrosive, non-conductive and do not need to be removed.

Features:

- Flux Type: VOC-Free, No-Clean

- For Use with Lead-Free Solder

- Specific Gravity: 1.016 ±0.010

- Residue Removal Method (not normally required): Wash with hot de-ionized water at 140-160°F with 2% solution of Kester 5768 Bio-Kleen® saponifier

Performance Characteristics:

? Biodegradable at pH of 2.0 or greater

? Chemically compatible with most solder masks and board laminates

? Does not degrade Surface Insulation Resistance

? No offensive odors

? Bright, shiny solder connections

Reliability Properties:

- Copper Mirror Corrosion: Low

- Corrosion Test: Low

- Silver Chromate: Pass

- Chloride and Bromides: None Detected

- Fluorides by Spot Test: Pass

- Surface Insulation Resistivity (SIR): Pass

Note: Not recommended for use in a soldering process that does not have a preheat cycle associated with it. For

example, this will not work well with a soldering iron