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Best magnetic moneyclip9/19/2023 ![]() Get RFID or microchip EMV cards: These cards are not affected by magnets.Keep your hotel cards away from your wallet to avoid demagnetizing as they are low-coercivity cards and are prone to data erasing relatively easily. You can also sandwich the primary card in the center to avoid demagnetization. Stack the Cards Properly: Put the card you regularly use a little away from the clip's magnets if it comes with multiple card slots.This will not completely eliminate the risk of demagnetization but will help reduce the strong magnetic flux, especially near the magnetic poles on both sides. Use a Steel Sheet: A thin steel strip between the magnet and your cards can reduce the magnetic flux to some extent.You can use Apple or Samsung Pay to reduce your dependency on a card altogether. You can also sandwich your cards inside the cash to reduce the probability of erasing your data on the strip. Money Clip is for Money: As the name suggests, use your money clip for cash only so that you don't have to worry about demagnetizing your credit card.So, if you already own a magnetic money clip or decide to get one, you can follow a few precautions that can help you avoid demagnetizing your credit card's magnetic strip. How to Prevent Your Cards From Demagnetizing Generally, these cards have a dark brownish film. These are less expansive and easy to re-write. The standard hotel cards, season passes, or cassette tapes have low-coercivity and require around 300 Oersteds to erase. Generally, these cards have a black or silver film. The purpose of Hi-co is to avoid any accidental erasure to retain readability. As per International Standard ISO 7811-6, a coercivity of 2500-4200 Oersted is recommended. These strips last longer and are difficult to rewrite or destroy. ![]() High coercivity cardsīank Credit Cards normally come with a high-coercivity strip. Note: Coercivity is the strength of magnetic material to resist external demagnetizing force and is measured in Oersteds. Based on how much strong magnetic field is needed to erase the data, the magnetic strips are divided into two categories i-e high coercivity & low coercivity cards. To erase data stored on magnetic strips, you will need an external magnetic source strong enough to change the magnetic particles' alignment on the strip. ![]()
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