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SAFETY DATA SHEETS: View the SDS(s) for the information you need to use this item.


The KB 430 low- temperature silver paste solder has a non-tarnishing white color that is ideal for repairing or creating white base-metal jewelry; use this solder on nickel, nickel alloy, German silver, tin, white bronze, stainless steel, brass and bronze. The two extra-fine applicator tip that are included let you apply exactly as much solder as the job demands precisely where you need it. This solder flows at 430°F, making it ideal for tasks that require using only ultra-low temperature. Paste solder is ideal for saving time on the fluxing step in small jobs; it is ideal for the repetitive tasks of production soldering, such as closing jump rings, attaching ear posts and similar tasks.

Sold individually; each syringe contains 1/2-oz. of solder paste.

  • Country of origin : United States
  • Form : Paste
  • Liquidus (flow) temperature : 430°F (221°C)
  • Tensile strength : 10,000–25,000psi

Please Note: • While effective on silver, this solder is not ideal for production of hallmarked silver jewelry pieces; the low silver content will not produce a great color match.

Catalog page: 2020-2021 Tools and Equipment Catalog p. 550