Comparison of permanent magnet types

1.Types of permanent magnets

2. Comparison of permanent magnet types

Magnet material	Price level	Magnetic force		Temperature and magnetic force characteristics		Operating environment		Anti-corrosion	Mechanical strength
Magnet material	Cheap orders	Surface flux density	Adsorption force	Heat resistant	Cold Resistant	Outdoor use	Use underwater	Anti-corrosion	Mechanical strength
Neodymium	○	◎	◎	△	◎	×	×	△	○
Samacoban	×	◎	◎	◎	◎	△	△	○	×
Ferrite	◎	△	△	○	△	◎	◎	◎	△
Alnico	△	△	△	○	◎	△	△	○	◎
Neodymium rubber	△	○	○	×	◎	×	×	△	–
Ferrite Rubber	○	△	△	×	△	◎	◎	◎	–

◎ ………Very good

○ ……… Good

△ ………Medium

X……… Least

This table is a comparison in the same size and same magnetization direction.