strontium carbonate. After magnetization, the residual magnetic field has high strength and can be maintained for a long time.
Usually used as permanent magnet material. Example: speaker magnet
Product name | Ferrite circular punch magnet | ||
Density | 7.5-7.6 g/cm³ | ||
Shape | Block, Bar, Cube, Disc, Ring, Cylinder, Ball, Arc, Trapezoid, etc | ||
Delivery date | 7-10 days for common samples, 15-25days for mass produciton | ||
packaging | Standard sea or air packing, such as cartons, iron boxes and wooden cases | ||
Product performance & working temperature | Grade | Working temperature | |
N35-N45 | 80° C (176° F) | ||
N48-N52 | 60 ℃(160 ℉) | ||
35M-52M | 100 ℃(212 ℉) | ||
33H-48H | 120℃(248 ℉) | ||
33SH-45SH | 150 ℃(302 ℉) | ||
30UH-40UH | 180 ℃(356 ℉) | ||
28EH-38EH | 200℃(392 ℉) | ||
28AH-33AH | 220 ℃(428 ℉) | ||
Applications | Audio equipment: headphones, microphone, speaker. Instruments: electric meter, speed meter, flowmeter, tachometer. Medical equipment: MRI, magnetic water devices and magnetic water treatment device, magnetic device. Industrial electric drive and control: magnetic clamp, magnetic crane, magnetic filter, CD_ROM, oil degreasing equipment, magnetic coupling, magnetic switch. |