Kester Wire Solder - 1lb

Some items may also be available in 5lb spools.

Alloy Conversions:
SN=Tin, PB=Lead, AG=Silver, CU=Copper, SB=Antimony, K100LD=Kester Blend Copper/Tin
  • 44 Flux Core - product description
    • 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 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. 44 is classified as ROM1 per J-STD-004.
Kester Part No. Alloy Dia. in.
24-4060-0061 SN40PB60 0.062
24-4060-0066 SN40PB60 0.093
24-5050-0061 SN50PB50 0.062
24-5050-0066 SN50PB50 0.093
24-6040-0007 SN60PB40 0.015
24-6040-0010 SN60PB40 0.020
24-6040-0018 SN60PB40 0.025
24-6040-0026 SN60PB40 0.031
24-6040-0027 SN60PB40 0.031
24-6040-0039 SN60PB40 0.040
24-6040-0053 SN60PB40 0.050
24-6040-0061 SN60PB40 0.062
24-6040-0066 SN60PB40 0.093
24-6040-0069 SN60PB40 0.125
24-6337-0001 SN63PB37 0.010
24-6337-0007 SN63PB37 0.015
 
Kester Part No. Alloy Dia. in.
24-6337-0010 SN63PB37 0.020
24-6337-0018 SN63PB37 0.025
24-6337-0027 SN63PB37 0.031
24-6337-0039 SN63PB37 0.040
24-6337-0053 SN63PB37 0.050
24-6337-0061 SN63PB37 0.062
24-7150-0009 SN62PB36AG02 0.020
24-7150-0010 SN62PB36AG02 0.020
24-7150-0018 SN62PB36AG02 0.025
24-7150-0027 SN62PB36AG02 0.031
24-0001-0027 SN95SB05 0.031
24-7050-0027 SN96.3AG3.7 0.031
24-7031-0027 SN97AG.20SB.80CU2 0.031
24-7040-0027 SN96.5AG3.5 0.031
24-7070-0027 SN95AG05 0.031
  • 285 Flux Core - product description
    • Kester 285 Mildly Activated Rosin Flux is classified as Type ROL0 flux under IPC J-STD-004. This flux was formerly classified as Type RMA per QQ-S-571. 285 consists of high quality, purified rosin to which a synergistic combination of activating agents has been incorporated. The fluxing ability of 285 is much greater than ordinary mildly activated rosin fluxes and is comparable to fully activated rosin fluxes. 285 has been developed for use in the electronic industry where difficult assemblies are to be soldered, but process requirements stipulate use of a mildly activated rosin flux.
Kester Part No. Alloy Dia. in.
24-6040-9702 SN60PB40 0.020
24-6040-9703 SN60PB40 0.015
24-6040-9710 SN60PB40 0.031
24-6040-9711 SN60PB40 0.062
24-6040-9713 SN60PB40 0.031
24-6337-9700 SN63PB37 0.020
24-6337-9702 SN63PB37 0.020
24-6337-9703 SN63PB37 0.015
24-6337-9710 SN63PB37 0.031
24-6337-9711 SN63PB37 0.062
 
Kester Part No. Alloy Dia. in.
24-6337-9713 SN63PB37 0.031
24-6337-9716 SN63PB37 0.040
24-6337-9717 SN63PB37 0.025
24-6337-9718 SN63PB37 0.025
24-6337-9721 SN63PB37 0.062
24-6337-9727 SN63PB37 0.015
24-6337-9746 SN63PB37 0.025
24-6337-9756 SN63PB37 0.010
24-7150-9702 SN62PB36AG02 0.020
24-7150-9703 SN62PB36AG02 0.015
  • 331 Water Soluble Core - product description
    • Kester 331 Organic Flux is a water-soluble formula for use in flux-cored solder wire. This cored solder version of the popular 2331-ZX Neutral Organic Water Soluble Liquid Flux is more effective than rosin fluxes in soldering difficult metals. The same fast action and mild properties are exhibited with 331 Organic Flux as with the liquid 2331-ZX. The flux is more heat stable than most organic fluxes, resulting in minimal smoke and odor. The residue can be completely removed with a simple heated water rinse. Deionized water is suggested to prevent introduction of chemistries from unknown water sources. 331 is classified as ORH1 per J-STD-004.
Kester Part No. Alloy Dia. in.
24-6040-6411 SN60PB40 0.062
24-6337-6401 SN63PB37 0.020
24-6337-6403 SN63PB37 0.031
 
Kester Part No. Alloy Dia. in.
24-6337-6411 SN63PB37 0.062
24-6337-6417 SN63PB37 0.025
24-6337-6422 SN63PB37 0.015
  • 245 No Clean - product description
    • Kester 245 was developed to complement low residue liquid fluxes being used by the electronics industry. The chemistry is based on some of the same principles that have been safely used for years in mildly activated rosin fluxes. The use of 245 results in visually acceptable assemblies without cleaning, yet soldering quality and efficiency is comparable to that obtained with mildly activated rosin flux. 245 is classified as ROL0 per J-STD-004. 245 is Bellcore GR-78 compliant.
Kester Part No. Alloy Dia. in.
24-6040-8800 SN60PB40 0.031
24-6040-8817 SN60PB40 0.062
24-6337-8800 SN63PB37 0.031
24-6337-8801 SN63PB37 0.031
24-6337-8802 SN63PB37 0.031
24-6337-8806 SN63PB37 0.015
24-6337-8807 SN63PB37 0.020
 
Kester Part No. Alloy Dia. in.
24-6337-8809 SN63PB37 0.025
24-6337-8813 SN63PB37 0.040
24-6337-8814 SN63PB37 0.050
24-6337-8817 SN63PB37 0.062
24-6337-8834 SN63PB37 0.020
24-7150-8800 SN62PB36AG02 0.031
24-6040-8800 SN60PB40 0.031
  • 275 No Clean - product description
    • Kester 275 No-Clean Flux for cored solder wire was developed to provide superior wetting performance for hand soldering in the electronics industry. The chemistry is based on some of the same principles that have been safely used for years in mildly activated rosin fluxes. The use of 275 No-Clean Flux results in an extremely clear post-soldering residue without cleaning. The unique chemistry in 275 was also designed to reduce spattering common to most core fluxes. 275 can be used for both lead bearing and lead-free soldering. 275 is classified as ROL0 per J-STD-004.
Kester Part No. Alloy Dia. in.
24-6337-7600 SN63PB37 0.031
 
     
     
  • Acid Core - product description
    • Kester Acid Core is a highly active, inorganic acid type of flux developed for general-purpose soldering applications where a flux-cored solder wire is desirable. Rapid soldering can be accomplished on all common metals except aluminum and manganese. Acid flux is particularly useful for soldering excessively oxidized metals. Acid Core possesses excellent thermal stability to function under prolonged high temperature conditions as with torch or flame soldering. It is not recommended for electrical or electronic soldering applications due to the corrosive nature of the residue. Acid Core is classified as INH1 per J-STD-004.
Kester Part No. Alloy Dia. in.
24-4060-2437 SN40PB60 0.125
24-5050-2437 SN50PB50 0.125
 
Kester Part No. Alloy Dia. in.
24-6040-2424 SN60PB40 0.062
  • 282 Flux Core - product description
    • Kester 282 Mildly Activated Rosin Flux Core consists of high quality Grade WW rosin to which a very small amount of an extremely effective activating agent has been incorporated. 282 is classified as Type ROL1 flux under IPC ANSI/J-STD-004 Joint Industry Standard. It was formerly classified as Type RMA per MIL-F-14256. 282 Rosin-Cored solder has been developed for use in the electronics industry where a more active flux than plain rosin is required but where highly activated fluxes are considered potentially conductive. Rosin Core 282 has particular application where difficult assemblies are to be soldered but the flux residue must be electrically inert.
Kester Part No. Alloy Dia. in.
24-6040-7400 SN60PB40 0.020
 
     
     
  • Solid Wire - product description
    • For soldering applications that require maximum reliability of solder joints, especially for surface mounted components, only solder of the highest purity is acceptable. Only the highest virgin metals are used to make Kester leaded and lead-free solid core wire. Complete analysis of Kester Solder Wire prove that every batch conforms to the strictest quality control standards in the solder industry. Kester leaded and lead-free solid core solder wire meets IPC J-STD-006C. Kester solder wire purchased directly or through Kester stocking distributors will conform to these requirements.
Kester Part No. Alloy Dia. in.
14-5050-0125 SN50PB50 0.125
14-6040-0062 SN60PB40 0.062
14-6040-0125 SN60PB40 0.125
 
Kester Part No. Alloy Dia. in.
14-6337-0015 SN63PB37 0.015
14-6337-0031 SN63PB37 0.031
14-6337-0062 SN63PB37 0.062




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