<Tr> <Td> Cd Zn </Td> <Td> 265 </Td> <Td> Cd </Td> <Td> Yes </Td> <Td> Medium temperature alloy that provide strong, corrosion - resistant joints on most metals . Also for soldering aluminium and die - cast zinc alloys . Used in cryogenic physics for attaching electrical potential leads to specimens of metals, as this alloy does not become superconductive at liquid helium temperatures . </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> 17.5 </Td> <Td> 82.5 </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> Cd Zn </Td> <Td> 265 / 300 </Td> <Td> Cd </Td> <Td> No </Td> <Td> Medium temperature alloy that provide strong, corrosion - resistant joints on most metals . Works especially well on Aluminum - to - Aluminum and Aluminum - to - Copper joints, with excellent corrosion resistance and superior strength in high vibration and high stress applications in electronics, lighting and electrical products . </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> 30 </Td> <Td> 70 </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> Cd Zn </Td> <Td> 265 / 316 </Td> <Td> Cd </Td> <Td> No </Td> <Td> Medium temperature alloy that provide strong, corrosion - resistant joints on most metals . Works especially well on Aluminum - to - Aluminum and Aluminum - to - Copper joints, with excellent corrosion resistance and superior strength in high vibration and high stress applications in electronics, lighting and electrical products . </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> 40 </Td> <Td> 60 </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> Cd Zn Ag </Td> <Td> 249 / 316 </Td> <Td> Cd </Td> <Td> No </Td> <Td> KappTecZ High temperature, high strength solder that may be used on most metals, but works extremely well on Aluminum, Copper and Stainless Steel . It has a high tolerance to vibration and stress, and good elongation for use on dissimilar metals . Above its liquidus of 600 ° F, this solder is extremely fluid and will penetrate the closest joints . </Td> <Td> </Td> <Td> </Td> <Td> 5 </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> 17 </Td> <Td> 78 </Td> <Td> </Td> <Td> </Td> </Tr>

What is the common ingredient of lead and lead-free solder