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MacDermid Alpha Electronics Solutions Datasheets for Fluxes

Fluxes are chemical compositions used in soldering, brazing and welding. They clean the metal’s surface, assist with heat transfer, and remove unwanted oxide films.
Fluxes: Learn more

Product Name Notes
ALPHA 3355-VF is a VOC-free, high activity water soluble organic acid flux, used in the soldering of printed circuits and electronic hardware. This flux can be wave, spray or dip...
ALPHA 856 is a neutral pH, 15% solids, moderate to high activity water soluble flux. Due to its neutral post soldering residue, it is non-acidic and can sit in production...
ALPHA 857 is a non-neutral pH, 18% solids, high activity water soluble flux. The formulation has been designed for delivering desired soldering performance on more difficult assemblies. Product Overview ALPHA...
ALPHA 870-25 is a neutral pH, mid-activity water soluble flux that contains organic chloride activators. It is formulated for wave soldering and is particularly well-suited for touch-up/rework. Product Overview ALPHA...
ALPHA EF-2100 is a high performing ORL0, halide-free, VOC-free no-clean flux that maintains its soldering performance for excellent hole-fill and low-defect soldering in lead-free assemblies. Product Overview ALPHA EF-2100 is...
ALPHA EF-5601 is a resin/rosin containing, reduced-VOC, low-solids, no-clean flux designed for delivering comparable all round performance as similar category 100% alcohol fluxes. Product Overview ALPHA EF-5601 contains over 30%...
ALPHA EF-6000 is a rosin-free, no-clean, alcohol-based liquid flux, specifically developed for outstanding board cosmetics and to eliminate the tendency of solder balling and solder bridging. ALPHA EF-6000 is an...
ALPHA EF-6103 is a 3.6% low solid, no-clean alcohol based flux. The activation package produces fast wetting speeds and high force leading to improved hole fill, especially on OSP substrates.
ALPHA EF-6808HF is a broad spectrum halogen-free, low solids, alcohol based, no-clean flux for use in a variety of automated and manual soldering applications. Product Overview ALPHA EF-6808HF is a...
ALPHA EF-8800HF is a halogen-free, high reliability, mid-solids, alcohol-based, no-clean wave soldering flux for standard and thick board applications. Product Overview ALPHA EF-8800HF is a mid-solids, alcohol-based flux designed for...
ALPHA EF-9301 is a 7% mid solids content rosin-containing full dulling flux that provides the unique attributes of excellent solderability and reliability in wave soldering. Product Overview ALPHA EF-9301 is...
ALPHA NR205 is a halogen-free, rosin-free, low-solids, no-clean flux formulated for wave soldering and is well-suited for touch-up and rework when supplied in a flux pen. Product Overview ALPHA NR205...
An ideal solution for applications that require both low voiding in large area solder joints and that desire a low flux residue solution appropriate for no clean manufacturing processes. Product...
Designed to enhance reliability and heat transfer through the reduction of voiding under bottom termination components. Product Overview ALPHA AccuFlux BTC-578 technology is a precision controlled micro-flux coating on solder...
Kester 2235 is a high activity 11% solids organic flux designed for automated soldering of circuit board assemblies where a more aggressive flux is required, but reliability considerations are paramount.
Kester 2331-ZX is a neutral pH, 33% solids, high activity water soluble flux. Due to its neutral post soldering residue, it is non-acidic and delay washing of 8 hours are...
Kester 2331-ZX is an innovation in organic acid water-soluble flux chemistry for soldering circuit board assemblies. This unique, neutral pH chemistry flux provides the best ionic cleanliness of any organic...
Kester 268 Flux-Cored Solder Wire is a zero-halogen wire optimized for robotic soldering applications. Product Overview With its unique chemistry system, Kester 268 provides consistent workability performance for both robotic...
Kester 285 Mildly Activated Rosin Flux Cored Solder Wire is classified as Type ROL0 flux under IPC J-STD-004. Product Overview Kester 285 consists of high quality, purified rosin to which...
Kester 331 Organic Flux is a water soluble formula for use in flux-cored solder wire. Product Overview This flux cored solder wire version of the popular Kester 2331-ZX Liquid Flux,...
Kester 4662 Flux Thinner is used for reducing solids or replacing evaporated solvent, resulting in maximum efficiency of the flux. To select a thinner, use the process compatibility information or...
Kester 951 is a halogen-free, rosin-free, no-clean, alcohol-based liquid flux, specifically developed to deliver outstanding board cosmetics and to eliminate solder balling and solder bridging. Product Overview Kester 951 is...
Kester 952-D6 is a halide-free, low solids no-clean flux. It is specifically designed for lead-free rework of conventional and surface mount circuit board assemblies. Product Overview Kester 952-D6 is a...
Kester 952-S is a zero-halogen, non-rosin organic flux designed specifically for use in tabber and stringer equipment of Photovoltaic Assembly (PV) module industry by soldering tabs to cell contacts. 952-S...
Kester 979 is is a high performing ORL0, low residue, VOC-free no-clean flux that maintains its soldering performance for excellent hole fill and low-defect soldering of lead-free assemblies. Product Overview...
Kester 979VT is a VOC-free, no-clean flux formulation for high quality, low-defect soldering of lead-free electronic circuit board assemblies. This flux's finely tuned activation system offers the best wetting available...
Kester 985M is a halide-free, low solid, high activity no-clean flux. The activation package offers excellent hole-fill and low bridging on high density and difficult assemblies. Product Overview Kester 985M...
Kester 985M is a low solids, halide-free, no-clean flux that is designed for wave solder, selective solder and touch up processes. 985M was developed for use with both traditional tin-lead...
Kester AW is an extremely active inorganic acid type of flux developed for industrial soldering applications where a flux-cored solder wire is desirable. Product Overview Rapid soldering can be accomplished...
Kester NF1060-VF is a high performing ORM0, zero-halogen, VOC-free, no-clean flux that maintains its soldering performance for excellent hole-fill and low-defect soldering in lead-free assemblies. Product Overview Kester NF1060-VF is...
Kester NF372-TB is a zero-halogen, high reliability, low solids, alcohol based no-clean wave soldering flux for standard and thick board applications. Product Overview Kester NF372-TB is a low solid alcohol...
Kester NF372-TB is a zero-halogen, no-clean, low solids liquid flux designed to be used in wave and hand soldering processes. It can be used with both leaded and lead-free alloys.
Kester OR-421 is a high activity, water-soluble, flux cored solder wire. Product Overview Kester OR-421 is more heat stable, exhibits better wetting capabilities and has less odor than competitive products.
Kester RF550 is a high-reliability, zero-halogen, no-clean rework flux designed for electronic component rework and repair applications. RF550 has a gel-like consistency and is packaged in syringes for easy dispensing.
Kester SELECT-10 is a zero-halogen, alcohol-based, no-clean liquid flux designed specifically for the needs of the lead-free selective soldering process. Product Overview Kester SELECT-10 is a zero-halogen, high-reliability, no-clean flux...
Kester SELECT-10™ is a zero-halogen, no-clean liquid flux designed specifically for the needs of the selective soldering process. Sustained activity within the flux allows for good barrel fill in challenging...
Kester TSF-6522 is a no-clean tacky soldering flux formula designed to be used with a rotating disc, a doctor blade, or a drum fluxer. TSF-6522 can also be used in...
Kester TSF-6522RH is a rosin based, no-clean tacky soldering flux formula designed to be compliant with IEC 61249-2-21 definition for halide-free materials. TSF-6522RH is a formula being marketed for customers...
Kester TSF-6852 is a synthetic water-soluble tacky soldering flux. The synthetic ingredients eliminate naturally occurring raw materials typically found in fluxes. This maximizes lot-to-lot consistency. TSF-6852 is room temperature stable...
Kester TSF-8818HF is a water-soluble, tacky soldering flux formula with a unique halogen-free activator system. TSF-8818HF is designed to have high tackiness to minimize component movement and misalignment during reflow,...
NF1060-VF is a new addition to Kester's No-Clean, VOC-Free product line. NF1060-VF is zero-halogen (none intentionally added) wave soldering flux that maintains its soldering performance achieving excellent through-hole fill and...
Solder Preforms for power electronics applications with ALPHA Accuflux coating. Product Overview ALPHA Accuflux Preforms for power electronics are an ideal solution for applications that require low voiding in large...