Copper and special cooper alloy foil Specification: 50kgs/Roll x 110mm (Width) x 0.03 mm- 0.15mm (Thickness) Technical parameter: 1).Thermal conductivity: Over 500Wm-1k-1; 2).Electrical conductivity: Over 85%IACS-100%IACS; 3).Tensile strength: Over 400MPa-700MPa; 4).Soften temperature: Over 300 0C. Applicable fields: It is mainly used for Identification, bank card, commercial card and IC card etc. Welcome all the customers discuss business with us!