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44 Flux-Cored Wire

Kester's 44 activated rosin cored wire for leaded and lead-free alloys

Image of Kester's 44 Flux-Cored WireKester's 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.

Features
  • 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

44 Flux-Cored Wire

ImageManufacturer Part NumberDescriptionAvailable QuantityView Details
SOLDER RA 14AWG 63/37 1LB24-6337-0061SOLDER RA 14AWG 63/37 1LB126 - ImmediateView Details
SOLDER RA 18AWG 63/37 1LB24-6337-0039SOLDER RA 18AWG 63/37 1LB156 - ImmediateView Details
SOLDER RA 20AWG 63/37 1LB24-6337-0027SOLDER RA 20AWG 63/37 1LB865 - ImmediateView Details
SOLDER RA 24AWG 63/37 1LB24-6337-0010SOLDER RA 24AWG 63/37 1LB270 - ImmediateView Details
SOLDER RA 60/40 14AWG 1LB24-6040-0061SOLDER RA 60/40 14AWG 1LB245 - ImmediateView Details
SOLDER RA 60/40 18AWG 1LB24-6040-0039SOLDER RA 60/40 18AWG 1LB282 - ImmediateView Details
SOLDER RA 60/40 20AWG 1LB24-6040-0027SOLDER RA 60/40 20AWG 1LB794 - ImmediateView Details
SOLDER RA 60/40 24AWG 1LB24-6040-0010SOLDER RA 60/40 24AWG 1LB109 - ImmediateView Details
SOLDER RA FLUX 16AWG 63/37 1LB24-6337-0053SOLDER RA FLUX 16AWG 63/37 1LB28 - ImmediateView Details
SOLDER RA FLUX 22AWG 63/37 1LB24-6337-0018SOLDER RA FLUX 22AWG 63/37 1LB200 - ImmediateView Details
SOLDER RA FLUX 27AWG 63/37 1LB24-6337-0007SOLDER RA FLUX 27AWG 63/37 1LB595 - ImmediateView Details
SOLDER RA FLUX 16AWG 60/40 1LB24-6040-0053SOLDER RA FLUX 16AWG 60/40 1LB167 - ImmediateView Details
SOLDER RA FLUX 22AWG 60/40 1LB24-6040-0018SOLDER RA FLUX 22AWG 60/40 1LB281 - ImmediateView Details
Published: 2017-10-02