Aluminum Tape Overall Width 2 1/2 in Adhesive-Free Width 1 in Overall Length 75 ft Thickness 0.076 mm Color Silver Compatible Material Type Aluminum Stainless Steel Features Halogen and Chlorofluorocarbon Free Safety Work Environment Weld Joint Free Form Roll Material Aluminum Process Welding Product Type Welding Backing Tape Resistance Properties Heat Resistant Maximum Temperature 500 Degrees F Minimum Temperature 10 Degrees F