Key Specifications & Features
- Alloy Composition: The “637” in the model name indicates a 63/37 Sn/Pb (Tin/Lead) eutectic alloy. This composition transitions instantly from liquid to solid without entering a semi-solid “slushy” state, reducing the risk of cold joints.
- Weight: 40 grams per spool.
- Available Diameters: It typically comes in ultra-thin variants optimized for precision work, including 0.3mm, 0.4mm, 0.5mm, and 0.6mm [0.3].Â
- Core Type: Features an integrated rosin flux core that improves wetting and allows for clean, smooth joints during application.
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