There is a small fee for samples shipped in the continental U.S. This can range from $10-$75.
Products shipped outside the continental U.S. can be subject to certain restrictions. Freight charges may range from $75-$300.
Room Temperature Black Oxide
Benefits of Room Temperature Blackening (65-85º F - Phosphoric Acid, Selenium and Copper Bath)
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Blackening time 1-5 minutes
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Deposit of Copper-Selenide
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No ventilation required
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No caustic fumes produced
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Low capital costs
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High energy cost savings
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Ion Exchange Selenium and Copper rinse water
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Does not meet military spec
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Satin grey-black color
Black Oxide Coating & Finishing for Stainless Steel
Black Oxide Coating & Finishing for Stainless Steel