Superior Flux Superior No. 325 Alcohol-Based, No-Clear Flux

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Superior Flux Superior No. 325 Alcohol-Based, No-Clear Flux
Categories:	Metal; Nonferrous Metal; Solder/Braze Alloy
Material Notes:	Eliminates the need for cleaning soldered boards. Increased activity level. Can be used with lead free solder. Excellent for wire tinning in automated and manual wire tinning systems. A good flux for hand soldering PCB assemblies in touch-up or build-out processes. Low solids content. Description: Superior No. 325 flux is formulated for spray fluxing application in wave soldering. It can also be used for wire tinning applications. Superior No. 325 is an alcohol-based No-Clean flux that contains non-halide activators. The absence of halides and the very low solids content of the flux leaves parts with only negligible traces of low reactivity residues. The flux contains virtually no water and will not spatter on contact with molten solder. This flux contains no rosin or resins, and successfully replaces rosin fluxes. Applications: WAVE SOLDERING-Superior No. 325 may be applied by foam, spray, or wave application. The topside board preheat temperature recommendation is 93-115°C/200-240°F. Information provided by Superior Flux
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Physical Properties	Original Value	Comments

Specific Gravity	0.795 - 0.815 g/cc
Density	6.93 lb/gal
Solids Content	<= 3.5 %

Chemical Properties	Original Value	Comments
Total Acid Number	25 - 30

Thermal Properties	Original Value	Comments
Boiling Point	78.3 °C
Flash Point	15.5 °C	TCC Method

Processing Properties	Original Value	Comments
Processing Temperature	390 - 500 °C	Soldering Range
Shelf Life	2.00 Month

Descriptive Properties
Form	Clear Liquid

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NSFLUX053 / 185737

RoHS Compliant Adhesives for Solder Replacement
Master Bond offers RoHS compliant, electrically conductive systems to replace lead soldering. These epoxy and silicone adhesives offer low volume resistivity, low outgassing and high temperature resistance.

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