Description
Product Overview
Kester Solder 24-6040-0027 is a high-performance rosin core solder designed for precision electronics work. With a consistent 60% tin and 40% lead composition, it ensures strong, reliable joints without excessive heat or flux residue. The 0.031″ diameter wire fits standard soldering irons and delivers smooth flow for detailed applications. Manufactured by ECTY, this 1lb spool is ideal for both professional technicians and hobbyists who demand durability and accuracy in their projects.
Usage
This solder wire is perfect for electronics repair, prototyping, circuit board assembly, and general soldering tasks. It’s commonly used by hobbyists building custom circuits or repairing household appliances. Technicians in industrial settings also rely on it for consistent performance under repeated use. The rosin core provides a clean finish without requiring additional flux, making it suitable for both beginners and experienced users.
Why Choose Us
Our product is manufactured to meet industry standards with consistent material composition and reliable performance. The 60/40 tin-lead alloy ensures strong, durable joints that resist corrosion over time. Unlike some competitors, this solder offers a clean finish without excessive residue or flux buildup. We provide accurate specifications and clear labeling for easy identification. Additionally, our customer support team is available to assist with technical questions or product-specific concerns.
Key Features
- 60/40 tin-lead alloy ensures strong, corrosion-resistant joints for long-term reliability.
- 0.031″ diameter provides precise control and compatibility with standard soldering tools.
- Rosin core delivers clean, residue-free connections without requiring additional flux.
- 1lb spool offers extended use for both hobbyists and professionals working on multiple projects.
- Manufactured by ECTY with consistent quality control to meet industry standards and customer expectations.
FAQ
Is this solder lead-free?
No, this Kester solder contains lead. It is a traditional 60/40 tin-lead alloy designed for applications where leaded solder is preferred or required.
What’s the diameter of the wire?
The wire has a precise 0.031″ diameter, suitable for fine electronics work and standard soldering irons.
Can I use this solder for circuit board repair?
Yes, it is ideal for circuit board repair due to its clean rosin core and reliable flow characteristics that ensure strong joints without residue buildup.
How long does a 1lb spool last?
A 1lb spool typically lasts several weeks depending on usage frequency. It’s designed for consistent, high-quality soldering over extended periods.
Is this product discontinued by manufacturer?
No, it is not discontinued and remains available for purchase with full manufacturer support.




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