lead free bars solder are used with JILIHONG environment protective soldering flux and oxidation resistant oil, better effect
lead free bars solder
Each index is favorable and reliable, passes the inspection of Quality Supervision & Inspection Center of Special Materials of State Ministry of Information and international inspection organization SGS, with lead content lower than 100ppm. Under strict quality monitoring of CQC, with high-purity fine tin, advanced melting technique, and unique oxidation-resistant alloy formula, Tongyong lead-free tin bar is of little slag, bright and reliable welding spot, and good wettability.
| Lead-Free Solder | ||||||
| High-Purity Solder Bar | ||||||
| Low-Temperature Solder | ||||||
| Product Name | 210A | 202A | 203 | 202B | 202B | 210A |
| Composition | Sn99.25 | Sn96.5Ag3.5 | Sn96.5Ag3 | Sn97Ag3 | Sn97.5 | Sn99.3 |
| Cu0.75 | Cu0.5 | Ag2.5 | Cu0.7 | |||
| Melting Point | 227ºC | 221ºC | 219ºC | 221ºC 230ºC | 220ºC | 227ºC |
| Condensation | 217ºC | |||||
| Point | ||||||
| Specific | 7.3 | 7.4 | 7.4 | 7.4 | 7.4 | 7.3 |
| Gravity | <500ppm | <500ppm | <500ppm | <500ppm | <500ppm | <500ppm |
| <20ppm | <20ppm | <20ppm | <20ppm | <20ppm | <20ppm | |
| <100ppm | <100ppm | <100ppm | <100ppm | <100ppm | <100ppm | |
| <100ppm | <100ppm | <100ppm | <100ppm | <100ppm | <100ppm | |
| Tensile | 32.2 | 53.5 | 32.2 | 32.2 | 32.2 | |
| strength | ||||||
| Young's | 34 | 41.6 | 34 | 34 | 34 | |
| Rate | ||||||
| Tensile | 50 | 46 | 50 | 50 | 50 | |
| strength | ||||||
| Standard | ROHS/ | ROHS/ | ROHS/ | ROHS/ | ROHS/ | ROHS/ |
| GB/T 20422-2006 | GB/T 20422-2006 | GB/T 20422-2006 | GB/T 20422-2006 | GB/T 20422-2006 | GB/T 20422-2006 | |
| Flow of use | Weld Maintenance | Weld Maintenance | Silver Electrode Coating/Specified / Low-temperature soldering | Weld dilution/ Weld Maintenance | Weld Maintenance | Weld Maintenance |