Sil-Fos 5 is an alloy for copper-copper brazing, specifically appropriate for filling gaps, forming fillets. 
No flux is required due to phosphorous in the Sil-Fos. 
Use in HVAC/R Refrigerant systems, air conditioning coils, evaporator coils.
| Additional Information | 
|---|
| Packaging Description:25lbs per pack | 
| Silver Content (%):5 | 
| Diameter (mm):Flat |