ALPHA® ■
Wave Solder Flux
No-clean, water soluble, Low VOC, halogen-free
ALPHA® EFSeries fluxes offer environmentally friendly benefits, while providing unmatched soldering performance.
The ALPHA® flux line is unsurpassed in providing wave soldering process solutions. Its alcohol-based fluxes provide excellent wetting, virtually defect-free soldering and high line throughput across the full range of applications.

ALPHA® ■
Wave Solder Flux
ALPHA® branded Wave Solder Fluxes are the leader in providing wave soldering process solutions. Our latest line of wave solder fluxes, including our EF-Series, is designed to provide the highest level of performance and reliability in its class. Specific wave solder flux products were formulated to offer a safer and more environmentally friendly alternative.
All ALPHA® Wave Solder Fluxes have been developed using the latest Cookson Electronics Assembly Materials’ flux technology. Cookson Electronics operates many wave solder flux production facilities around the world. Each site follows strict standards that assure high product quality and consistency.
All ALPHA® EF-Series fluxes were developed for SnPb and Pb-free applications and are halogen-free*.
WATER-BASED wave solder flux
ALPHA EF-2210
- VOC-free
- Excellent soldering performance
- Rosin free formulation results in excellent cosmetics and pin testability
- Bellcore SIR compliant
ALPHA EF-3001 and ALPHA EF-3215
- Low-VOC formula – nonflammable
- Resin bearing emulsion flux for high reliability and performance – Bellcore SIR compliant

* Halogen-free, per guidelines published in the following industry standards:
IPC-4101B, IEC-61249-2-21 and JPCA-ES-01-1999.
ALCOHOL-BASED wave solder flux
ALPHA EF-6000
- Highly active for exceptional soldering performance
- Low solids (2%) for excellent cosmetics and pin testability
- High soldering yields
ALPHA EF-6100
- High reliability – JIS SIR compliant
- Low solids for excellent cosmetics and pin testability
- High soldering yields
ALPHA RF-800 Rosin No-Clean Flux
- Best selling low-solids (4%) flux in the world
- Excellent soldering on a wide variety of assembly types
- High reliability – JIS SIR compliant
ALPHA EF-8000
- Excellent solder performance on complex two sided assemblies
- Perfect for selective soldering applications
- High reliability – JIS SIR compliant
ALPHA EF-9301 Flux
- Excellent solder performance on a variety of complex two sided assemblies
- Halide bearing dulling flux
- High reliability – JIS SIR compliant
ALPHA EF-12000
- High-solids (15%) dulling flux
- Maximum wetting on a wide variety of simple and complex assemblies
- High reliability – JIS SIR compliant
ALPHA® ■
Wave Solder Flux
For the most up-to-date list of ALPHA fluxes, or to find the right flux for your assembly or application, use our on-line Wave Solder Flux Selector. Go to http://www.alpha.cooksonelectronics.com and navigate to the wave solder flux products page.


Hand Fluxing and Related Products
• Flux Thinners
• Alpha Flux Pens
- ALPHA Aqualine: water-soluble
- ALPHA Guideline: rosin flux
- ALPHA Cleanline: very low residue
• Flux gel
• Flux stop
To fully support wave soldering requirements, Cookson Electronics also offers ALPHA Wave Solder Flux alloys, solder wire, and cleaning chemistries.
Don't see the ALPHA® flux product you are looking for? Use our convenient Product Search.
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