Hard Ferrite Magnet: F30
Outer diameter: (outer diameter): 140 mm +2.5/- 2.5 %
Internal diameter: (internal diameter): 60 mm +2.5/- 2.5 %
Height: (height): 20 mm +0.1/- 0.1 mm
Magnetization direction: (Magnetization direction): 20 mm
Operating temperature: (max. Operating temperature): 250°C
Attraction force: (max. Adhesion) 21 Kg
Weight: 1 Kg

Magnetic properties F30: remanencja Br min. 0.37 [T ] ,Coercja HCB min. 175 [ kA / m] , Coercja HCJ min . 180 [ kA / m], energy product (BH) max min. 26 [kJ/m3].
Physical properties : density ~ 4.5 [ g/cm3 ], resistivity 104-108 [ Ohm x cm].
The maximum working temperature is 250 ° [ C ].
Curing temperature ~ 450 ° [C] . Temperature coefficient, remanencja TK (br) : approximately -0.19 % / ° [C] . Temperature coefficient Koercja TK ( HCJ ): 0.40 % / ° [C] .
Force max.: 21 Kg