Kester Solder Wire: Setting the standard in solder wire performance and reliability

Trusted by professionals in electronics, aerospace, and medical industries, Kester delivers solder wire that ensure precision and durability. Whether you need reliable soldering for high-volume production or precision applications, Kester solder wire has you covered.

Featured Kester Solder Wire

Kester 275

• Superior wetting with colorless residues and minimal spattering
• Suitable for both lead-free and leaded solder alloys

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Kester 245

• Designed to complement low-residue liquid fluxes, especially for touch-up and repair
• Helps achieve visually clean and reliable electronic assemblies without cleaning

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Kester 44

• Well-known rosin flux solder wire used for electronics
• Useful for soldering oxidized copper or demanding soldering applications

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