RA Core Lead Free Wire Solder 1mm – 250g & 500g | High-Quality Solder for Electronics

Premium Lead-Free Wire Solder for Reliable Soldering

When it comes to high-performance soldering, RA Core Lead Free Wire Solder 1mm is the ideal choice for professionals and hobbyists alike. Available in convenient 250g solder and lead free solder 500g spools, this solder wire ensures strong, durable connections while complying with environmental safety standards.

Our lead free wire solder is engineered with a superior flux core (RA – Rosin Activated) to enhance wetting and flowability, making it perfect for electronics, circuit boards, and precision soldering tasks. Whether you're working on DIY projects or industrial applications, this solder 1mm diameter wire provides excellent conductivity and reliability.

Why Choose RA Core Lead Free Wire Solder?

1. Environmentally Friendly & Safe

Unlike traditional lead-based solders, our RA core solder is entirely lead-free, making it safe for users and compliant with RoHS (Restriction of Hazardous Substances) and WEEE (Waste Electrical and Electronic Equipment) directives.

2. Superior Flux Core for Optimal Performance

The RA (Rosin Activated) flux core ensures:

• Excellent wetting for smooth solder flow

• Minimal splattering for clean joints

• Reduced oxidation for long-lasting connections

3. Multiple Alloy Options for Different Applications

Our lead free wire solder comes in three high-quality alloy compositions, each suited for specific soldering needs:

a) Sn99.3Cu0.7 (Tin 99.3% + Copper 0.7%)

• Best for general-purpose soldering

• Cost-effective with good thermal conductivity

• Ideal for PCB assembly and electrical repairs

b) Sn99Ag0.3Cu0.7 (Tin 99% + Silver 0.3% + Copper 0.7%)

• Enhanced strength and thermal fatigue resistance

• Perfect for high-stress applications

• Commonly used in automotive and industrial electronics

c) Sn96.5Ag3Cu0.5 (Tin 96.5% + Silver 3% + Copper 0.5%)

• Premium alloy for high-reliability joints

• Excellent mechanical strength and thermal cycling performance

• Widely used in aerospace, medical devices, and high-end electronics

• Key Features of RA Core Lead Free Wire Solder 1mm

• Diameter: 1mm (±0.02mm) – Ideal for precision work

• Flux Content: 2.2% (±0.2%) – Ensures smooth soldering

• Spool Size Options: 250g solder (compact & portable) & lead free solder 500g (economical for frequent use)

• Melting Range: 217°C – 227°C (varies slightly by alloy)

• Compliance: RoHS, REACH, and ISO certified

Applications of RA Core Solder

This lead free wire solder is versatile and suitable for:

• PCB assembly & repair

• Consumer electronics manufacturing

• Automotive and industrial electronics

• DIY projects & hobbyist soldering

Why Buy Our Lead-Free Solder Wire?

✔ High-purity alloys for consistent performance
✔ RA flux core prevents oxidation & improves joint quality
✔ 1mm diameter for precise application
✔ Available in 250g & 500g spools for flexibility
✔ RoHS compliant & environmentally safe

Order Your RA Core Lead Free Wire Solder Today!

Upgrade your soldering experience with our premium RA Core Lead Free Wire Solder 1mm. Whether you need the 250g solder for small projects or the lead free solder 500g for bulk work, we provide top-quality soldering solutions for every need.

Shop now and enjoy strong, reliable, and eco-friendly solder joints!

Contact Information:

Email: xfsolder@gmail.com or xfsolder@163.com

WhatsApp / Wechat 008613450770997