Solder paste Sn62.8Pb32.8Ag0.4 has better strength and corrosion resistance due to the addition of silver, and is suitable for fields that require high welding quality; while Solder paste Sn63Pb37 63 37 is a traditional welding material suitable for general electronic manufacturing. field. In any case, make sure to comply with local environmental regulations and select materials suitable for the specific application. We are a professional Chinese manufacturer for both thes two products. Read More