Delivery Time:15-30 working days for prototype or batch accordingly
Certification:ISO 9001: 2008
Y30 Sintered Ferrite Magnet , Ceramic Magnet For Speaker Parts
Quick Detail:
1.Density –4.95 g/ cm3
2.Manufacturing process –sintering (most common), injection molding and excluding.
3.Various shapes - blocks, bars, discs, rings, arc, segments, sectors, fan shape, cylinders, etc.
Ferrite Magnets (Ceramic magnet) is one of the most cost effective magnetic materials. Composed of Barium or Strontium Ferrite, these materials exhibit good resistance to demagnetization, and are the lowest cost materials available today. It has a fair to good resistance toward corrosion and it can operate in moderate heat. Ceramic (Ferrite) magnets have low energy product and they are usually used in assemblies containing mild steel. Sintered Ferrite magnets are hard and brittle and are extensively used in consumer products. You are probably familiar with ferrite magnets, often used on the back of refrigerator magnets.
|
Physical characteristics of Permanent Ferrite Magnetic Material |
|
|
Recoil permeability |
1.05-1.3 |
|
Curie temperature ℃ |
450 |
|
The coefficient of demagnetization to temperature Br ℃-1 |
-0.2%(0-100℃) |
|
The coefficient of magnetization coercive force to temperature Hc ℃-1 |
0.2%-0.5%(0-100℃) |
|
Density g/cm3 |
4.7-5.0 |
|
ResistivityΩ,cm |
106 |
|
The coefficient of linear expansion ℃-1 |
7-15×10-6 |
|
Hardness HV |
480-580 |
Applications:
Magnetic separators
DC motors
Speaker Parts
Magnetic hooks
Toys
MRI
Automotive sensors
Refrigerator magnets
Educational Magnets
Performance of Ferrite Magnets
SJ/T 10410-93 Standard
|
Grade |
Br |
HcB |
(BH)max |
|||
|
mT |
KG |
KA/m |
KOe |
Kj/m3 |
MGOe |
|
|
Y8T |
200～235 |
2.0～2.35 |
125～160 |
1.57-2.01 |
6.5～9.5 |
0.8-1.2 |
|
Y20 |
320～380 |
3.2～3.8 |
135-190 |
1.70-2.38 |
18.0-22.0 |
2.3-2.8 |
|
Y22H |
310-360 |
3.1～3.6 |
220-250 |
2.77-3.14 |
20.0-24.0 |
2.5-3.0 |
|
Y23 |
320-370 |
3.2～3.7 |
170-190 |
2.14-2.38 |
20.0-25.5 |
2.5-3.2 |
|
Y25 |
360～400 |
3.6～4.0 |
135～170 |
1.70-2.14 |
22.5～28.0 |
2.8-3.5 |
|
Y26H |
360～390 |
3.6～3.9 |
220～250 |
2.77-3.1 |
