This is a 1 inch diameter round black magnet, the material is sintered ferrite, the thickness is 3mm, more common, featuring cheap, high temperature resistance, magnetic stability is not easy to demagnetise, mainly used for refrigerator stickers, fire doors, handicrafts, personal DIY, if you need to buy in bulk, please send us an enquiry, we have a certain price advantage.
25x3mm circular ferrite magnet with chamfered edges and delineate.
Note: Ferrite round magnets can help you distinguish NS poles by chamfering, marking, painting, making concave points and other marks.
Other ferrite magnet knowledge articles;
Ceramic Ferrite Magnet Pull Force
Ferrite Magnet Density and Weight Calculation
3 types of ferrite permanent magnets and their characteristics