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Magnetic properties of injection molded ferrite magnets
(Nylon and PPS based)
| Grade |
Residual Induction |
Coercive force |
Intrinsic Coercivity |
Maximum energy product |
| Br |
B H C |
I H C |
(BH)max. |
| kGs |
T |
kOe |
kA/m |
kOe |
kA/m |
MGOe |
kJ/m3 |
| 1 I |
1.10 |
0.11 |
1.10 |
88 |
2.50 |
199 |
0.35 |
2.80 |
| 2 I |
1.45 |
0.145 |
1.15 |
92 |
1.70 |
135 |
0.42 |
3.36 |
| 3 A |
2.55 |
0.255 |
2.20 |
175 |
2.80 |
223 |
1.60 |
12.80 |
| 4 A |
2.80 |
0.28 |
2.35 |
187 |
2.75 |
219 |
1.85 |
14.80 |
| 5 A |
2.95 |
0.295 |
2.30 |
183 |
2.60 |
207 |
2.10 |
16.80 |
| 6 A |
2.55 |
0.255 |
2.30< |
183 |
2.75 |
219 |
1.63 |
13.04 |
| 7 A |
2.80 |
0.28 |
2.35 |
187 |
2.65 |
211 |
1.85 |
14.80 |
| 8 A |
2.90 |
0.29 |
2.35 |
187 |
2.60 |
207 |
2.05 |
16.40 |
| 9 A |
2.98 |
0.298 |
2.25 |
179 |
2.40 |
191 |
2.20 |
17.60 |
| 10 A |
2.65 |
0.265 |
2.10 |
167 |
2.50 |
199 |
1.70 |
13.60 |
Other physical properties
| Grade |
Density |
Tensile
Strength |
Flexural
Strength |
Izodimpact
Strength |
Hardness Rockwell |
Shrinkge |
Hot Distorotion
Temp |
| g/cm3 |
kg/cm2 |
kg/cm2 |
kg.cm/cm |
Rscale |
% |
℃ |
| 1 I |
2.90 |
600 |
1000 |
4.0 |
118 |
0.25 |
110 |
| 2 I |
3.20 |
900 |
1200 |
7.0 |
110 |
0.20 |
120 |
| 3 A |
3.35 |
850 |
1200 |
5.3 |
118 |
0.20 |
150 |
| 4 A |
3.55 |
750 |
1200 |
4.0 |
120 |
0.15 |
150 |
| 5 A |
3.75 |
620 |
800 |
4.0 |
121 |
0.15 |
150 |
| 6 A |
3.30 |
500 |
1050 |
3.5 |
114 |
0.02 |
120 |
| 7 A |
3.50 |
450 |
1000 |
3.5 |
115 |
0.02 |
120 |
| 8 A |
3.65 |
400 |
900 |
3.5 |
118 |
0.02 |
125 |
| 9 A |
3.75 |
550 |
800 |
3.3 |
118 |
0.02 |
130 |
| 10 A |
3.65 |
343 |
883 |
8.3 |
120 |
0.02 |
235 |
Notes: I- isotropic magnets;
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