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Package Price:
$2,668.00/25lb tubeWhen you are out in the field installing A/C units or running copper lines for a commercial refrigeration job, you need a brazing rod that balances performance with cost. The Sil-Fos 2% Silver Brazing Rod is the go-to choice for professionals who need something better than standard phos-copper but don't want to burn through the budget of 15% silver rods for every single joint. This 25lb tube ensures you have plenty of material on the truck, minimizing downtime spent running back to the supply house.
The "magic" of Sil-Fos 2 lies in that 2% silver content. If you've ever struggled with 0% rods cracking or failing to flow smoothly around a fitting, you will appreciate the difference here. The silver adds just enough ductility to the joint to handle the vibration and thermal expansion typical in HVAC systems. It flows smoothly but has enough body to let you build a cap or fill a gap if your fit-up isn't laser-perfect. It’s forgiving, which is exactly what you need when you are brazing in a tight corner or on a ladder.
One of the biggest time-savers with this rod is its self-fluxing ability on copper-to-copper connections. You can clean your pipe, heat it up, and apply the rod without messing around with a flux brush. The phosphorus in the rod does the cleaning for you. However, keep a jar of flux handy if you are connecting to brass valves or bronze fittings—you will need it for those specific joints to get the alloy to wet out properly.
This 2.4mm (3/32") rod is the perfect thickness for most line sets. It melts at a range that allows you to control the puddle. When heating, aim for a dull cherry red on the copper pipe before introducing the rod. Because it has a wide melting range, you can use the "plastic" phase to your advantage to fill voids. Just remember: never use this on steel or iron. If you try to braze a steel compressor fitting with this, the joint will be brittle and will snap. Stick to copper and brass, and this 25lb tube of Sil-Fos 2 will be the workhorse of your van.
| Additional Information |
|---|
| Diameter (mm):2.5mm (3/32") |
| Packaging Description:25lb tube |
| Silver Content (%):2% |
| AWS Classification:BCuP-6 |
| Material Composition:Copper, Phosphorus, Silver |
| Solidus Temperature:1190°F (643°C) |
| Liquidus Temperature:1450°F (788°C) |
| Fluidity Rating:Medium |
| Recommended Joint Clearance:0.002" - 0.005" |
