Type 3 Tin Lead Paste Solder 60 40 Sn60pb40 for Reflow Oven US$20.00-60.00 / kg T4 T3 Sn63pb37 SMD Tin Lead Paste Solder 63 37 50 50 for Capacitors US$20.00-60.00 / kg Type 4 T4 Tin Lead Silver Alloy Paste Solder Sn62pb36AG2 for LED US$20.00-60.00 / kg ...