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electrocleaning before plating is necessary to remove oils, grease, rouge, passive oxide films, and other surface contaminants left over from the manufacturing and polishing processes. electrocleaning jewelry utilizes a heated alkaline solution, low voltage direct elect current and a stainless steel
make it the bench jeweler's favorite pickle. blended with extenders and wetting agents, sparex is longer lasting and more effective than stand dry acid compounds. it minimizes hazards, over-pickling and pitting, producing a smooth, clean, bright surface. sparex no. is formulated for pickling gold, silver...
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