Kester 44 Rosin Core Solder 63/37 .031" 1 lb. Spool

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95% of 100
Special Special Price $24.99 You Save $10.00 Originally $34.99
PA SKU # KES 2463370027 MFR # 24-6337-0027 UPC # 768249062660
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38 In Stock & Ready to Ship Most orders placed before 3pm MST ship same day (except weekends and holidays).
  • Product Highlights
  • Core Size 66
  • 0.031" Diameter
  • 63/37 Alloy
  • Instant Wetting Action
  • Non-Conductive Flux

44 Flux-Cored Wire - Activated Rosin Cored Wire for Lead-Free and Leaded Alloys

Kester "44" rosin core solder is designed for electronic and electrical work. It uses a fast acting, instant wetting, non-corrosive, and non-conductive flux for faster soldering and a strong, long lasting bond.

Kester 44 Rosin Flux is an activated rosin formula for use in flux-cored solder wire. 44 has virtually dominated the field of activated rosin core solders for well over five 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. Under IPC J-STD-004, 44 is classified as ROM1. Despite the increased activity and soldering performance, 44 passes both 85°C/85% RH and 40°C/90% RH SIR test methods.

  • High activity RA formulation
  • Passes both 85°C/85% RH and 40°C/90% RH IPC SIR testing
  • RoHS Compliance
  • Excellent solderability to a wide range of metalizations
  • Industry standard RA cored wire for decades
  • Classified as ROM1 per J-STD-004
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