The MECHANIC SX-862 60g Flux Solder Wire is a professional-grade, high-purity soldering consumable featuring a dual-core (or single-core variant) rosin flux . This 60g spool is engineered for precision electronics assembly, PCB repair, and mobile phone motherboard soldering.

The "high temperature resistant" characteristic refers to the solder's ability to maintain joint integrity under elevated operating temperatures . The 63/37 tin-lead eutectic alloy provides a sharp melting point at 183°C, significantly reducing the risk of cold solder joints while delivering excellent wettability and bright, reliable connections .

Key Features

Dual / Double Flux Core Technology – Contains two separate flux channels (or a high-performance single core) for enhanced wetting, faster soldering, and reduced spatter. The flux is active yet leaves minimal residue .
63/37 Tin-Lead Eutectic Alloy (Sn63/Pb37) – The "gold standard" for electronics soldering. Provides a sharp melting point with no plastic phase, reducing cold joints caused by movement during cooling .
183°C Low Melting Point – Protects sensitive components from thermal stress while allowing fast, efficient soldering .
High Purity & Excellent Wettability – Made with high-purity tin (Sn 63%, Pb 37%) ensuring smooth flow, strong adhesion, and high electrical conductivity .
Minimal Residue / No-Clean Formula – The rosin-based flux leaves very little non-corrosive, non-conductive residue, reducing post-solder cleaning requirements significantly .
75% Expansion Rate – Excellent spreading ability ensures full coverage on pads and component leads .
Low Chlorine Content (CJ < 0.1%) – Environmentally friendlier formulation with less corrosive potential .
Available in Multiple Diameters – Available from 0.3mm for micro-soldering up to 1.0mm for general SMD/through-hole work .
60g Professional Spool – Perfect balance for repair shops and frequent users.

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