Solder Paste in jar 250g (T3) Sn42/Bi58 Low Temperature Solder Paste in jar 250g (T3) Sn42/Bi57.6/Ag0.4 Low Temp 90 metal melts 138C Alloy: Sn42/Bi57.6/Ag0.4 Flux Type: Synthetic No-Clean Flux Classification: REL0 Metal Content: 90% metal by weight