The Brownells Silvaloy 355 silver solder is a high-quality, cadmium-free solder designed for bonding various metals, including steel, stainless steel, copper, nickel and precious metals. With a composition of 56% silver, it offers excellent flow characteristics and a low melting point, making it ideal for precise applications like installing sights and ramps on stainless steel firearms. The solder melts at 1145 deg F and flows at 1205 deg F, ensuring the creation of strong, dependable joints. For best results, it is recommended to use this solder with Ultra flux. Silver composition - comprising 56% silver for enhanced bonding performance Exhibits a low melting point, initiating phase transition at 1145 deg F and achieving optimal flow at 1205 deg F, ensuring precision in specialized applications Free of cadmium - suitable for diverse applications without the risk of hazardous cadmium exposure Multifunctional application - engineered for bonding diverse metal substrates, including stainless steel, featuring an almost-white hue that seamlessly complements the aesthetic of stainless steel