Solder Roll Kester 44 Activated Rosin Core 63/37 0.062 Inch Diameter

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  • Jameco Part no.: 2237600
  • Manufacturer: Kester
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  • HTS code: 7806000300
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Kester 44 Activated Rosin Core 63/37 0.062" Solder

Kester 44 Rosin Flux is an activated rosin formula for use in flux-cored solder wire. Kester 44 Rosin Flux has virtually dominated the field of activated rosin core solders for well over four decades. An outstanding performance feature of this flux is the "instant-action" wetting behavior. The high mobility and fast-spreading action of this flux results in more reliable production line soldering.


  • 0.062" diameter (1.57mm) (approx. 14 AWG)
  • 63% tin, 37% lead
  • High activity RA formulation
  • Excellent solderability to a wide variety of metallization
  • Industry standard RA cored wire for decades
  • Classified as ROM1 per J-STD-004

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Specification Value
Tin Composition63%
Lead Composition37%
Silver CompositionN/A
Copper CompositionN/A
Diameter0.062 in. (1.57 mm)
Weight1 lbs.
Product TypeSolder

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