ALPHA® Reliacore 15 is the most effective RMA rosin core solder yet developed for hand soldering. The unique and powerful activation system of this core solder makes the flux exceptionally fast wetting when compared with other RMA core solders. Yet, ALPHA Reliacore 15 meets all of the requirements of Federal Specification QQS-571E for Type RMA flux core solder. Exp:4/2018

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