Permalloy 80 Supermalloy Magnetic Shielding Strip Bright Surface
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Supermalloy magnetic shielding made by permalloy 80 strip Soft
Magnetic alloy
Ohmalloy-1J79 is a nickel–iron magnetic alloy, with about 80%
nickel and 20% iron content. Invented in 1914 by physicist Gustav
Elmen at Bell Telephone Laboratories, it is notable for its very
high magnetic permeability, which makes it useful as a magnetic
core material in electrical and electronic equipment, and also in
magnetic shielding to block magnetic fields. Commercial permalloy
alloys typically have relative permeability of around 100,000,
compared to several thousand for ordinary steel. Normal composition%
Contact us Janey Ohmalloy Material Co., Ltd Add: No. 1211, Mudanjiang Road, Baoshan district, Shanghai Mob./ Whatsapp/wechat/skype: +86-13805769652 Email: tina@ohmalloy.com
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