Quality Material: The BCuP-5 silver brazing rod containing 15% silver, is equivalent to the BCuP-5. The composition includes Silver () 14.5-15.5%, Phosphor (P) 4.8-5.2%, and Copper (Cu) as the remainder, which makes these brazing rods perfect for copper solder applications. Large Quantity: Our packaging contains 30 silver welding rods, and you can reasonably allocate our products on more equipment.This Filler Brazing Rod pack offers GREAT SAVINGS and is ideal for those looking to purchase silver solder wire for copper. Advantage: The low temperature phosphor silver welding rod is easy to install and remove. Good fluidity during welding, can flow into small space.the solidus temperature of our silver hvac accessories measure 1193°F / 645°C, the liquidus temperature of our products measure 1472°F / 800°C.The recommended joint clearance of 0.002inch /0.006inch and a fluidity rating of 3 make these copper solder rods highly effective. Application:Our silver brazing torches can patch lots of things for your home and bring you more convenience.They are particularly suitable for parts requiring higher strength and vibration resistance, such as in air-conditioners, refrigerators, freezers, compressors, and electrical motors.The Copper Phosphorus Filler used in these brazing rods for copper hvac ensures high durability and reliability. Service:I hope our silver nitrate sticks can solve your problem better.When you have a problem in the process of using the welding rod, please do not hesitate to contact us immediately, we solve all problems . (A little oxidized, does not affect use) Color: As Shown Material: Copper Package Contents: 30 pcs * silver solder Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The