Aluminum Foil Roll, Material Aluminum, Material Grade 1100, Overall Width 12 in, Roll Length 250 ft, Thickness 0.001 in, Length Type Roll, Mechanical Finish Mill, Temper Soft, Heat Treatment No Heat Treatment, Heat Treatable No, Tensile Strength 13,000 psi, Yield Strength 5,000 psi, Brinell Hardness Not Applicable, Fabrication Hot Rolled, Rockwell Hardness Not Applicable, Appearance Mill This soft-tempered aluminum foil helps to provide corrosion resistance and is easily welded and brazed, with thermal and electrical conductivity. It is 100% recyclable and is not heat treatable.