| http://www.w3.org/ns/prov#value | - A suitable magnetic thermoplastic material which may be utilized and may be magnetized where by it will retain itself against unmagnetized paramagnetic material such as iron or steel or other materials such as aluminum, cobalt, nickel alloys is a polyvinyl chloride filled with barium ferrite and known commercially as Koroseal which is manufactured by the B. F. Goodrich Company.
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