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Premium Solder Bars from China Suppliers | Quality Soldering Solutions by Reliable Factory
Product Overview
Solder bars are available in lead-free and leaded alloys, it is made from high-quality and virgin tin, combined with carefully controlled alloy compositions. This ensures that every batch meets standards and delivers superior soldering performance. QLG solder bars exhibit outstanding wetting performance, allowing solder to spread smoothly and uniformly across component surfaces. This results in strong, reliable, and visually clean solder joints.
QLG solder bars are available in multiple lead-free alloys, fully compliant with European RoHS and REACH directives. For customers with specialized needs, QLG also provides leaded alloys, maintaining excellent stability and soldering properties for traditional manufacturing environments.
Supported by technical expertise and a commitment to continuous improvement, QLG remains a trusted partner for electronics manufacturers seeking high-quality soldering materials. Our solder bars combine technological innovation, environmental responsibility, and superior performance making them the ideal choice for today’s advanced electronic production lines.
Excellent Fluidity
Enables fast and efficient solder flow during wave soldering and dip processes. Improved flow dynamics help reduce soldering defects such as bridging, icicles, and insufficient coverage.
Oxidation Resistance
Engineered with enhanced oxidation resistance to minimize dross formation, lower material waste, and ensure stable solder quality throughout extended production runs.
Product Specification
| Alloy | Melting or solidus/liquidus Temperature ℃ |
|---|---|
| Sn99.3Cu0.7 | 227 |
| Sn97Cu3 | 227-310 |
| Sn99Ag0.3Cu0.7 | 217-227 |
| Sn97Ag3 | 221-224 |
| Sn96.5Ag3.5 | 221 |
| Sn96.5Ag3Cu0.5 | 217-220 |
| Sn100 | 232 |
| Sn63Pb37 | 183 |
| Sn60Pb40 | 183-190 |
| Sn50Pb50 | 193-215 |
| Sn45Pb55 | 183-226 |
| Sn40Pb60 | 183-238 |
| Sn35Pb65 | 183-245 |
| Sn30Pb70 | 183-255 |
| Sn20Pb80 | 183-280 |
Detail Pictures
Frequently Asked Questions
What raw materials are used in QLG solder bars?
QLG solder bars are manufactured from high-quality and virgin tin, combined with carefully controlled alloy compositions to ensure consistent, superior soldering performance.
How do these solder bars help reduce soldering defects?
Thanks to their excellent fluidity, our solder bars enable fast and efficient flow during wave and dip soldering processes, which directly helps minimize defects like bridging, icicles, and insufficient coverage.
Are QLG solder bars environmentally friendly?
Yes, QLG offers multiple lead-free alloy options that are fully compliant with European RoHS and REACH directives, supporting environmentally responsible manufacturing.
Do you offer solder bars for traditional leaded applications?
Yes, we provide leaded alloys to meet specialized customer needs, maintaining outstanding stability and excellent soldering properties for traditional electronic production environments.
How does the oxidation resistance benefit the production line?
The enhanced oxidation resistance minimizes dross formation during extended production runs. This lowers material waste, ensures stable solder quality, and reduces overall operational costs.
What kind of joint quality can be expected?
QLG solder bars exhibit outstanding wetting performance, allowing the solder to spread smoothly and uniformly, which results in strong, reliable, and visually clean solder joints.