Skip to content

Lucas Milhaupt 95150 Sil-Fos 15, 28 Rods, 15% Silver

SKU 95150
Currently 27 in stock.

Lucas Milhaupt 95150 Sil-Fos 15, 28 Rods, 15% Silver

Sil-Fos 15 is the preferred alloy for general copper-copper brazing; the phosphorous in the Sil-Fos family serves as a fluxing agent, no flux is recommended. Sil-Fos 15 is the best alloy to use when joining metals where close fit-ups cannot be maintained and is well suited for use in refrigeration applications.

  • Joins CU to CU (phosphorus serves as flux)
  • Joins CU to Brass (flux is recommended)
  • Highest joint ductility of entire Sil-Fos family
  • Allows for fillet build up
  • Slow flow but penetrates well into long shear depths
  • Made in USA

Industry Applications:

HVAC Brazing

HVAC/R refrigerant systems, air conditioning coils, evaporator coils.


Sil-Fos 15 SDS

Sil-Fos 15 TDS


Product Specifications

Nominal Composition: Silver 15.00, Copper 80.00, Phosphorous 5.00
Liquidus: 1475 °F, 802 °C
Solidus: 1190 °F, 643 °C