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Goodfellow’s C-Solder Alloy offers melting point of 232˚C.

Press Release Summary:

Goodfellow’s C-Solder Alloy is used for joining carbon materials such as carbon or carbon nanotube fibers in carbon-carbon arrangements and aluminum to aluminum. This lead-free unit offers density of 7.4 g/cm³ and is electrically and thermally conductive. This flux-free product is not flammable.

Original Press Release:

Innovative C-Solder Enables Joining of Carbon Materials

Goodfellow is pleased to announce the availability of C-Solder, the trade name for a group of new tin-based, flux-free soldering alloy that enables the joining of carbon materials. The resulting bond is both mechanically strong and electrically conductive.

With C-Solder you can join…

  • Carbon materials including carbon fibers or carbon nanotube fibers in carbon-carbon arrangements
  • Carbon to metals (e.g., copper aluminum, titanium, stainless steel), ceramics and glass materials
  • Aluminum to aluminum without using flux

Key features of C-Solder

  • Melting point: 232 ˚C (solidus temperature)
  • Density: Approximately 7.4 g/cm³
  • Excellent flow
  • Good wetting of surfaces to be joined
  • Electrically and thermally conductive
  • Not affected by cleaning solvents
  • Does not leave a residue
  • Not flammable
  • Flux-free and lead-free

For more information about this exciting new product, contact a Goodfellow technical expert at 1-800-821-2870, email, or click here:

About Goodfellow

For 50 years, Goodfellow has been a leading supplier of metals, polymers, ceramics and other materials to meet the needs of science and industry worldwide. The company specializes in supplying small quantities (a few grams to a few kilos) of metals and materials for research, prototype development and specialized manufacturing applications. Standard products can be found online at the comprehensive Goodfellow Catalog: Custom products and materials in larger quantities are available upon request at

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