ALPHA 615-25

Harmonization Code : 3208.20.90 | Paints and varnishes that are dispersed or dissolved in a non aqueous medium

ALPHA 615-25

Main features

  • Lower-Solids Surface-Mount Selection
  • Flexible Foam-or-Spray Processing
  • Defined Flux-Control Window

Product Description

ALPHA 615-25 RMA Flux is the 25% solids grade in the ALPHA 615 super RMA liquid-flux series for processes that call for lower solids than the standard 37% grade, including wave soldering surface-mount boards. It supports foam, wave, and spray fluxing and is classified ROL0 per IPC J-STD-004. A typical topside preheat of 180 to 200 deg F activates the flux. Maintain the working flux by measuring specific gravity at 77 deg F and keeping it within +0.015 to -0.005 of nominal. Residues can be cleaned with a compatible solvent blend or aqueous saponifier.

Key features

  • Intermediate 25% solids selection: The grade provides a lower-solids option than standard ALPHA 615 for supported surface-mount wave processes.
  • Flexible flux delivery: Foam, wave, and spray application options support multiple printed-circuit production lines.
  • Controlled working condition: Specified specific-gravity limits and a defined preheat range support repeatable flux processing.

Applications

Applications include wave soldering of surface-mount printed circuit boards and other supported RMA processes using foam or spray flux application.

Product Family

ALPHA 615-25

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TDS, SDS & Technical Documents

Technical Specifications

General Properties
Solids
25 %
Specific Gravity
Specific gravity (SG) is the ratio of the density of a substance to the density of a reference substance; equivalently, it is the ratio of the mass of a substance to the mass of a reference substance for the same given volume. For liquids, the reference substance is almost always water (1), while for gases, it is air (1.18) at room temperature. Specific gravity is unitless.
0.845 ± 0.005 @25°C

Additional Information

Technical properties

As-supplied / before-processing properties

Maintain specific gravity at 77 deg F within +0.015 to -0.005 of the nominal value.

PropertyValueUnitMethod / condition
AppearanceLight amber liquidAs supplied
Solids content25% wt/wtTypical
Specific gravity0.845 +/- 0.00525 deg C
Water-extract resistivity190,000ohm cmTypical; MIL-F-14256 method
Flux classificationROL0IPC J-STD-004
Flash point12deg CT.C.C.
Shelf life540daysFrom date of manufacture
Recommended thinnerALPHA 425Flux maintenance

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