KappZapp3.5A acid silver solder - ½ lb spool

KappZapp3.5A ACID 1/16" (1.6mm) Silver Solder for Copper, Brass & Stainless Steel Convenient Acid for one step soldering of pipes, tubes, and structural joints. 3.5% Silver for strong, vibration resistant joints Tensile strength up to 14,000 psi on Copper, 25,000 psi on Stainless NSF Certified Lead-Free, Cadmium-Free Potable Water Safe Pairs with Kapp Flux when extra flux is needed (sold separately)