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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 feature excellent fluidity, enabling fast and efficient solder flow during wave soldering and dip processes. This improved flow dynamics help reduce soldering defects such as bridging, icicles, and insufficient coverage. The bars are also engineered with enhanced oxidation resistance, which minimizes dross formation, lowers material waste, and ensures stable solder quality throughout extended production runs. This not only enhances manufacturing efficiency but also reduces operational costs for customers.
Outstanding Wetting
Spreads smoothly and uniformly for strong, reliable, and visually clean joints.
Excellent Fluidity
Enables fast, efficient flow during wave and dip soldering to reduce defects.
Oxidation Resistance
Minimizes dross formation, lowers material waste, and reduces operational costs.
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.
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 types of alloys are QLG solder bars available in?
QLG solder bars are available in both lead-free and leaded alloys. Our lead-free options are fully compliant with European RoHS and REACH directives, while our leaded alloys maintain excellent stability for traditional manufacturing setups.
How do QLG solder bars improve soldering performance?
They feature outstanding wetting performance for smooth and uniform spreading, ensuring strong and visually clean solder joints. They also offer excellent fluidity to reduce defects like bridging and icicles.
How do these solder bars help reduce operational costs?
Our solder bars are engineered with enhanced oxidation resistance. This minimizes dross formation, reduces material waste, and ensures stable solder quality during long production runs.
Are QLG solder bars suitable for wave and dip soldering?
Yes, QLG solder bars are designed with excellent fluidity, which allows for fast and efficient solder flow during both wave soldering and dip processes.
What is the melting range of your solder alloys?
The melting or solidus/liquidus temperatures vary depending on the alloy composition, ranging from 183°C (e.g., Sn63Pb37) to 227-310°C (e.g., Sn97Cu3).