... indicates its resistance to demagnetization. It is measured in Oersteds (Oe). The coercivity of a regular credit card is about 300 ... Oe, and considered as low coercivity. High coercivity (HiCo) magnetic stripe, ... however, usually has coercivity values ranging from 2500 to 4000 Oe.High-coercivity cards are currently used in applications which need ...