ANTI-TARNISH DRAW STRING FABRIC POUCHES COME IN 3 DIFFERENT SIZES: 2.75"x3.50", 4"x5.50", and 5"x7. Our soft velveteen pouches are perfect for protecting a variety of silver & gold items from the damaging effects of tarnish and oxidation. SAFE FOR ALL METALS & GEM STONES. WORKS FOR UP TO 3 YEARS
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PACK OF 10 POUCHES:
Anti Tarnish Corrosion Intercept® Fabric Draw String Pouches. Corrosion Intercept® is a revolutionary technological advance that bonds solid state reactive materials (bonded copper particles) into a polymer matrix. This matrix then reacts with and neutralizes all corrosive gases that pass through or come in contact with the Intercept material. These active corrosion sites have created a torturous path for corrosive gases tryig to migrate through the Intercept. Corrosion Intercept® provides effective tarnish protection for non-ferrous metals such as silver, gold, brass, copper, bronze, and ferrous metals (iron based). The inert material will not out-gas (release corrosive gases) like charcoal based products, is non toxic, non-abrasive, temperature and humidity independent, and features a built in saturation indicator. When the copper color turns black, it is time to change the Intercept pouch. It is successfully used by major jewelry manufacturers, NASA, The British Royal Mint and many other companies world wide.