Compressed non-bonded magnet - possible?

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The discussion centers on the feasibility of creating compressed "non-bonded" magnets without using a binder, such as epoxy, and sealing them hermetically in a can-like structure. Participants mention that while bonded magnets utilize adhesive for cohesion, sintered magnets may serve as an alternative for those seeking a non-bonded solution. The conversation highlights the potential for using ceramic magnets, which are non-reactive, and suggests over-molding with Teflon for specific applications. Manufacturers capable of producing such encapsulated magnets are sought after in this context.

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Compressed "non-bonded" magnet - possible?

Dear everyone
As opposed to a bonded magnet being magnet powder "glued" together with e.g. epoxy and which is incapsulated as to prevent corrosion - does anyone know if one can instead compress magnet powder without a binder directly in a can-like object and seal it of hermetically afterwards? And if so, who is capable of manufacturing such an incapsulated and "non-bonded" magnet?
Thank you millions in advance for your time and consideration.
 
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Ceramic magnets are fairly non-reactive, but I've seen them over-molded with Teflon for an ultrapure application. Of course, you have to pay for an injection mold.

Good luck,
- MIke
 


Aside from bonded magnets, there are also sintered magnets, would those suit your purposes?
 

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