50 INCHES, ORIGINAL KESTER SOLDER, 60/40, 0.040", 3.3% ACTIVE ROSIN CORE (44)
60% Tin / 40% Lead / 3.3% Flux (44) 24-6040-0039 / .04", .040", 0.04", 0.040", 1mm, 1.0mm, 1.00mm
*** This is a RETAIL SALE, does NOT include a spool or a dispenser or a package, it's a Roll of Genuine KESTER Solder WIRE (see the 2nd picture) in the chosen size, and sent in a Commercial Envelope Tracked by USPS IMb (non-public tracking). ***
Kester 44 Flux-Cored Wire 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.
Performance Characteristics:
- High activity RA formulation
- Passes both 85 °C/85% RH and 40°C/90% RH IPC SIR testing
- Excellent solderability to a wide range of metallizations
- Industry standard RA cored wire for decades
- Classified as ROM1 per J-STD-004
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