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Tin anti-tarnish ESS-301


ESS 301 is applied to connectors, lead frames and passive components and other immersed tin plating process, can form a uniform and stable surface structure, strengthen the solder surface of the tin coating, will not pollute the coating, after heat treatment, reflow and annealing treatment, can effectively prevent the tin coating in the reflow process discoloration, reduce the formation of oxide layer

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