1. Good, moisturizing, bright, and complete solder joint; low smoke; no irritating odor. 2. Low residual resistance and high insulation, high activity, strong soldering force. 3. Easy to solder; can protect BGA traces from corrosion and moisture. 4. Good wetting, dryness resistance, long shelf life at room temperature. 5. Used for SMT soldering of printed circuit boards.
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