High-Quality SN 63 PB 37 Solder Roll for Reliable Electrical Connections From China The SN 63 PB 37 alloy (63% tin, 37% lead) is one of the most widely used solder compositions due to its eutectic properties, this solder roll is excellent choice for electrical connections. We are a professional China manufacturer of this product.
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注: 建议图片大小150px*50px 
