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737N Water Soluble Flux

Excellent water soluble flux from Qualitek

Excellent water soluble flux from Qualitek

MPN: 737N

A highly active water-soluble flux manufactured for the wave soldering process for SMT and PTH assemblies. Supplied in 1 litre bottles.

  • Effective soldering over a broad preheat range
  • Gives excellent wetting and PTH barrel filling
  • Suitable for both Lead-Free and Leaded soldering


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Note: Currently not available for delivery to N.Scotland, N.Ireland, Scottish Isles, Isle of Wight, Isle of Man, Scilly Isles, Europe Zone 3, Europe Zone 4, Europe Zone 5, Europe Zone 6, Guernsey, Jersey and Australia, Brazil, Canada, Hong Kong, Malaysia, Mexico, New Zealand & USA.

$18.21 ex VAT($16.78 inc VAT)
In Stock
737N Water Soluble Flux

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Product Description

Another excellent flux for soldering from Qualitek, the 737N as an organic activating system that at room temperature has a neutral pH and becomes activated at the higher temperatures of soldering.

Flux Classification: ORH1
Colour and appearance: Colourless liquid
SIR (after cleaning): 1.8 x 10(10) ohms
Specific gravity: 0.846 (+/- 0.006) g/cm3 at 25°C 
Solids content: 17.5 % 

All water-soluble fluxes do need to be post cleaned. The residues easily remove with both hot and cold water and no neutralizing is needed. De-ionised water should be used for the final rinse if cleanliness results are to meet MIL spec MIL_28809A.
pH value: 6.80 - 7.80 

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