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| Item | Alloy Composition/WT% | Melting℃ | Density | Application |
| LEAD SOLDER BAR | Sn63-Pb37 | 183° | 8.4g | Relatively high requirements: high precision instruments, electronics Industrial, circuit board (high requirements), communication, micro technology, aviation industry and other welding. |
| Sn60-Pb40 | 183°-190° | 8.5g | ||
| Sn55-Pb45 | 183°-203° | 8.7g | ||
| Sn50-Pb50 | 183°-216° | 8.9g | Relatively common requirements: home appliances, electrical instruments, General requirements for circuit board) Welding of automotive electrical appliances, general hardware electrical appliances, etc. | |
| Sn45-Pb55 | 183°-227° | 9.0g | ||
| Sn40-Pb60 | 183°-238° | 9.3g | ||
| Sn35-Pb65 | 183°-247° | 9.5g | Relatively Pricerite requirements: general mechanical welding, car water tank, light bulbs, cable joints and other welding. | |
| Sn30-Pb70 | 183°-255° | 9.7g | ||
| Sn25-Pb75 | 183°-266° | 9.9g |
1.Materials: Tin
2.High quality, spatter-free welding
3.Good mechanical performance, moisture and bright weld spot
4.Flux types: no-clean, rosin and water-soluble liquid
5.Little impurity,good fluidness and strong antioxidant
6.Available in many alloy compositions
Lead Solder Bar: An Overview
Lead solder bars are important materials used in electronics and manufacturing. They help create strong connections between different parts of electronic devices. These solder bars contain a mixture of tin and lead, which gives them good properties for making reliable joints.
Key Features
First, lead solder bars have a low melting point. This means they melt easily when heated, making it simple to join wires and components. Next, they provide excellent conductivity, which is essential for ensuring electricity flows properly through the connections.
In addition to these features, lead solder bars are widely used because they are affordable and effective. Many manufacturers prefer them because they have a long history of success in various applications, such as in circuit boards and electrical wiring.
Applications
Lead solder bars are commonly used in:
- Electronics: Soldering components through it on circuit boards, ensuring reliable connections.
- Automotive: Automotive electronics for dependable performance.
- Home Appliances: Lead solder bars help in making connections in various household devices.
Conclusion
In summary, lead solder bars play a vital role in the manufacturing process. Their low melting point and excellent conductivity make them effective for creating strong connections in many products. As a result, they continue to be a preferred choice in various industries.









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