Why should you care about Metglas ?
Metglas has a maximum relative permeability approximately 1,000,000. This means it channels ( concentrates ) existing magnetic fields better than any other material. Empty space ( vacuum ) has a permeability of 1. Superconductors have a permeability of zero. Steel materials vary from 100 to 5,000. So MG can come in very handy for constructing magnetic circuits.
Here are some informative links ....
I ordered some MetGlas from AllElectronics.com . 3 spools for $12. I am interested in seeing what I can do with it.
MetGlas is attracted to a magnet. Small amount has noticeable attraction thru paper to Neodymium magnet. MG is brittle and hard to unwind from a spool.
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