<Tr> <Td> Sn Pb In </Td> <Td> 130 / 154 140 / 152 </Td> <Td> Pb </Td> <Td> No </Td> <Td> In20 </Td> <Td> 54 </Td> <Td> 26 </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> 20 </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> Pb In </Td> <Td> 270 / 280 260 / 275 </Td> <Td> Pb </Td> <Td> No </Td> <Td> In19 . Low gold - leaching . Good thermal fatigue properties . </Td> <Td> </Td> <Td> 81 </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> 19 </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> In Sn </Td> <Td> 118 </Td> <Td>--</Td> <Td> Yes </Td> <Td> In52 . Suitable for the cases where low - temperature soldering is needed . Can be used for glass sealing . Sharp melting point . Good wettability of glass, quartz, and many ceramics . Good low - temperature malleability, can compensate for different thermal expansion coefficients of joined materials . </Td> <Td> 48 </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> 52 </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> Sn In </Td> <Td> 118 / 131 </Td> <Td>--</Td> <Td> No </Td> <Td> very low tensile strength </Td> <Td> 52 </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> 48 </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> </Tr>

Solder is an alloy of pb and sn