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Diameters / Packaging

1 ea Tube
1 lb Box
5 lb Tube
5 pk Tube
10 lb Tube
25 lb Box
0.050 x 1/8 in (1.3 x 3.2 mm) 15620F1,1520FMPOP 15620F5 15620F15P 15620F,15636F
0.050 x 1/16 in (1.3 x 1.6 mm) 15320F1 15320F
1/8 in (3.2 mm) 15620R1 15636R
1/8 x 1/8 in (3.2 x 3.2 mm) 15620S1 15636S10 15620S,15636S
1/16 in (1.6 mm) 15320R1 15320R,15336R
3/32 in (2.4 mm) 15520R1 15520R,15536R
3/32 x 3/32 in (2.4 x 2.4 mm) 15520S,15536S

Stay-Silv® 15

Phos-copper-silver filler metal with a wide melting range for brazing copper used in the HVAC and refrigeration industries.


Stay-Silv® 15 has proven its value for many years as it has been considered the industry's standard 15% silver alloy. This filler metal is excellent for situations where close fit-up does not exist and where thermal expansion and service vibration are involved.


  • A frequent choice for brazing copper, as copper is self-fluxing
  • Wide melting range allows operators to fill loose connections and "cap" or "build-up" around the finished joint. When heated above its liquidus it will penetrate tight connections.
  • Excellent for situations where close fit-up does not exist, and where thermal expansion and service vibration are involved.
  • Popular brazing filler metal for HVAC and refrigeration connections.
  • Can be used to braze brass with the use of appropriate brazing flux
  • Suitable for brazing low nickel (10% maximum) copper-nickel base metals
  • Can be used for brazing copper-to-copper and copper-to-brass applications using Stay-Silv® white brazing flux.
  • Corrosion resistance is generally similar to copper base metal, but phosphorus containing alloys should not be used if the braze is exposed to sulfur or sulfur compounds in service
  • Not recommended for brazing steel or other ferrous metals due to sufficient lack of joint ductility
  • Complies with the EU Reach & RoHS directive


Warning -

Cancer and Reproductive Harm -