Curparsheen tarnish preventative
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The Curparsheen tarnish preventative from Haviland Products Co. is designed for use on copper, brass, bronze and silver substrates. The product is economical and safe, being chrome-, VOC-and nitrate-free. This water-based formula is also free of heavy metals, while providing a chemically bonded surface coating without the use of current. The chemical operates at temperatures of 80° to 100°F.
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