Ferrite magnets include sintered permanent magnets composed of Barium or Strontium Ferrite, and rubber/plastic bonded magnets from injection molding or mold extrution.
Magnetic Characteristics Sintered Ferrite magnet Chinese Standard:
Grade
Max EnergyProduct
Remanence
Coercive Force
IntrinsticCoercive Force
BH(max)
Br
Hcb
Hcj
KJ/m 3 (MGOe )
mT (KGs )
KA/m (KOe )
Y10T
6.5-9.5 (0.8-1.2)
200-235 (2.0-2.35)
125-160 (1.57-2.01)
210-280 (2.64-3.52)
Y20
18.0-22.0 (2.3-2.8)
320-380 (3.2-3.8)
135-190 (1.70-2.38)
140-195 (1.76-2.45)
Y22H
20.0-24.0 (2.5-3.0)
310-360 (3.1-3.6)
220-250 (2.77-3.14)
280-320 (3.52-4.02)
Y23
20.0-25.5 (2.5-3.2)
320-370 (3.2-3.7)
170-190 (2.14-2.38)
190-230 (2.39-2.89)
Y25
22.5-28.0 (2.8-3.5)
360-400 (3.6-4.0)
135-170 (1.70-2.14)
140-200 (1.76-2.51)
Y26H
23.0-28.0 (2.9-3.5)
360-390 (3.6-3.9)
225-255 (2.38-3.21)
Y27H
25.0-29.0 (3.1-3.7)
370-400 (3.7-4.0)
205-250 (2.58-3.14)
210-255 (2.64-3.21)
Y30
26.0-30.0 (3.3-3.8)
175-210 (2.20-2.64)
180-220 (2.26-2.77)
Y30BH
27.0-30.0 (3.4-3.7)
380-390 (3.8-3.9)
223-235 (2.80-2.95)
231-245 (2.90-3.08)
Y30-1
27.0-32.0 (3.4-4.0)
380-400 (3.8-4.0)
230-275 (2.89-3.46)
235-290 (2.95-3.65)
Y20-2
28.5-32.5 (3.5-4.0)
395-415 (3.95-4.15)
275-300 (3.46-3.77)
310-335 (3.90-4.21)
Y32
30.0-33.5 (3.8-4.2)
400-420 (4.0-4.2)
160-190 (2.01-2.38)
165-195 (2.07-2.45)
Y33
31.5-35.0 (4.0-4.4)
410-430 (4.1-4.3)
225-255 (2.83-3021)
Y35
30.0-32.0 (3.8-4.0)
400-410 (4.0-4.1)
175-195 (2.20-2.45)
180-200 (2.26-2.51)