Fine Soldering Wire Alloy Flux 2.0% DIA 0.7 400gm

🧾 Short & Technical Description

The Fine Soldering Wire (0.7 mm, 400 g) with 2.0% flux core is a high-performance alloy solder designed for professional production lines, industrial repair work, and precision electronics assembly. The flux ensures smooth wetting and strong conductive joints, while the generous 400 g spool provides extended operation time — ideal for engineering labs and manufacturing facilities.

Key Specs:
400 g spool | 0.7 mm diameter | 63/37 alloy (or similar) | 2.0% rosin flux | Industrial grade.

Fine Soldering Wire Alloy

If your projects require high-volume, precision soldering, the Fine Soldering Wire Alloy, Flux 2.0%, Diameter 0.7 mm (400 g) offers the performance and capacity you need.

Designed for professional use, this solder wire delivers consistent flow, low spatter, and bright, clean joints. Its 2.0% activated flux core efficiently removes surface oxides, allowing excellent wetting even on fine-pitch components and oxidized pads.

The 0.7 mm diameter is an optimal choice for modern electronics, providing precise control on SMT components, connectors, and through-hole assemblies.

The large 400 g spool is well-suited for automated lines, repair stations, or long production runs, reducing interruptions caused by spool changes.

👉 Detailed specs below:

🛠 Technical Details

Parameter	Specification
Alloy Composition	Tin 63% / Lead 37% (or equivalent)
Flux Content	2.0% Activated Rosin Core
Melting Point	~183 °C
Diameter	0.7 mm
Net Weight	400 g spool
Wetting Performance	Excellent
Post-Soldering Cleanup	Low residue; easy cleanup
Suitable for	SMD, through-hole, wire, precision assembly

⚠️ Precautions & Safety Tips

Use temperature-controlled irons set to 340–380 °C.
Work in well-ventilated environments to avoid inhaling flux fumes.
Always practice safe handling and wash hands after use.
Store the spool in a sealed, dry place to prevent oxidation.
When working on ESD-sensitive devices like MCUs and IoT modules, ensure proper ESD protection.

💡 Use Cases & Applications

The Fine Soldering Wire Alloy (0.7 mm, 400 g) is a top choice for a wide range of professional and technical applications:

Industrial PCB Assembly
Supports high-speed production of consumer electronics and industrial control boards.
Repair Centers & Maintenance Labs
Ideal for continuous repair operations involving electronics components and complex assemblies.
IoT Systems & Modules
Suitable for IoT modules, sensors, wireless boards, and gateways.
Drone Electronics
Perfect for building and repairing drone FPV setups, ESCs, flight controllers, and power systems.
Raspberry Pi Projects
Works well with Raspberry Pi accessories, HATs, and peripherals.
Engineering Labs & Prototyping
Supports prototyping, hardware validation, and field-ready devices.

🛠️ Pair With

🎥 YouTube Insight

See how professional technicians use high-capacity solder wire in this advanced PCB repair and assembly tutorial

🏁 Conclusion & Value Proposition

For industrial-scale soldering, pro-level repair, and precision electronics, the Fine Soldering Wire Alloy, Flux 2.0%, 0.7 mm (400 g) offers exceptional reliability, smooth handling, and strong electrical connections.

Stock your lab or production line today — available now at Electroway.