... Temper: O and H. O represents soft and H represents hard.Aluminum strips can be applied in many areas, such as: copolymer ... than copper, so there is a popular trend that the aluminum strip is instead of cooper strip now.Specification: ProductAluminum ... ,3003,5052,5083,6061,8011, etc.TemperO and HApplicationcopolymer coated aluminum tape, electric cable, optical cable, transformer, heater, shutters, etc ...