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.
Copper and Brass
Stabilized Peroxide Bright Dip Process for Copper and Brass
An Additive for Stabilized Peroxide Bright Dips for Copper and Brass