Lead-free tin wire

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The silver-containing lead-free solder wire is made of lead-free pure tin, pure copper, pure silver and other environment-friendly alloy by dissolving at high temperature, refining, casting into tin cylinder with oil press and pressure casting flux (rosin flux) , using wire drawing machine according to different wire diameter requirements to produce different sizes of solder wire drawn. Alloy composition is divided into tin-copper, tin-silver, tin-silver-copper alloy or other alloy, flux evenly filled into the middle of the tin alloy.