产品详情
Specifications
| Item | Specification | Standard |
| Appearance | Smooth surface, no impurity | |
| Alloy composition | S-Sn48In52 | GB/T 20422-2006 |
| Liquidus temperature | About 118℃ | DSC method |
| Sp. Gr. | 7.31g/cm3 | |
| Tolerance of wire diameter | 0.3-0.8±0.03mm; 0.8-2.5±0.05mm | GB/T 20422-2006 |
| Application | Suitable for welding electronic parts | |
| Package weight | By mutual agreement | GB/T 20422-2006 |
| Preservation method | Must be placed in a dry, non-corrosive environment without sunlight. Warranty for 2 years. |
Alloy composition（%）
| Sn | Ag | Cu | Bi | Sb | In | Zn | Pb | Au | Ni |
| 47.5~48.5 | ≤0.10 | ≤0.05 | ≤0.10 | ≤0.10 | Remainder | ≤0.001 | ≤0.10 | ≤0.05 | 0.01 |
| Fe | As | Al | Cd | Total impurity | |||||
| ≤0.02 | ≤0.03 | ≤0.001 | ≤0.002 | ≤0.2 |
Solderability test
| No. | Project | Result | Standard |
| 1 | Tensile test | Qualified | GB/T 28770-2012 |
