Solder Flux 30/80ml – Stainless Steel, Battery & PCB Use

QXL Solder Flux – Fast, Clean Soldering for Home & DIY Projects

Whether you're repairing battery packs, fixing PCBs, or working with stainless steel components, this high-quality solder flux makes soldering faster, cleaner, and more reliable. Available in 30ml and 80ml sizes, it's the go-to flux for hobbyists, electronics enthusiasts, and DIY repair technicians alike. Made in Mainland China.

Key Features

• Broad Material Compatibility: Works with battery nickel sheets, stainless steel, chrome-plated surfaces, zinc sheets, iron sheets, copper, and tinplate.
• Wide Application Range: Ideal for soldering stainless steel battery electrodes, precision components for clocks and instruments, toy models, and PCBs.
• Two Sizes Available: Choose 30ml for smaller jobs or 80ml for larger, ongoing projects.
• 100% New & High Quality: Fresh stock, ready to use straight from the bottle.
• Home & Workshop Friendly: Designed for easy DIY use — no professional setup required.

Specifications

• Capacity: 30ml / 80ml
• Applicable Materials: Battery nickel sheets, stainless steel, chrome-plated, zinc, iron, copper, tinplate
• Use Cases: PCBs, battery electrodes, precision instruments, toy models
• Package Includes: 1 x Solder Flux bottle
• Country of Origin: Made in Mainland China

Please Note

• Allow 5–10mm differences due to manual measurement.
• Actual product color may vary slightly from images due to monitor brightness and lighting conditions.

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Frequently Asked Questions

Q: What materials can this solder flux be used on?

A: This solder flux is compatible with a wide range of materials including battery nickel sheets, stainless steel, chrome-plated surfaces, zinc sheets, iron sheets, copper, and tinplate — making it highly versatile for both electronics and general metalwork projects.

Q: What is the difference between the 30ml and 80ml sizes?

A: The 30ml bottle is perfect for occasional home repairs or smaller DIY projects, while the 80ml bottle is better suited for frequent use, larger soldering jobs, or workshop settings where you need more flux on hand.

Q: Can this flux be used on PCBs and battery electrodes?

A: Yes! This solder flux is specifically designed for fast soldering of PCB components, stainless steel battery electrodes, precision clock and instrument parts, and even toy model assembly — making it a great all-around flux for electronics hobbyists and repair technicians.