Copper Foil Sheets 8 Mil (.008 inches) 32 gauge thick copper alloy 110 (99.9% CU) smooth commercial finish/annealed (dead soft and very malleable) and manufactured to ASTM-B152 specifications. These are high quality premium copper sheets for embossing, repousse, various home improvement projects, DIY projects, construction projects, and arts and crafts projects as well as manufacturing, electrical applications including rf shielding, research/development, and much more. Available in widths of 6", 12", 18", and 24". 8 mil copper foil is a heavy-duty tooling foil. 8 mil can be cut fairly easily with scissors and is still very pliable. It holds its shape a little better than 5 MIL . See our Thickness Guide for help determining the proper thickness for your project and a video description of this thickness. If you don't see the size you need or have any questions, please don't hesitate to contact us via phone at 252-491-2812, email at or try our "live chat" feature for immediate assistance!