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Injection Bonded Rare Earth Magnets - Ashvini Magnets India's largest manufacturer of Injection Molded Bonded Magnets

Injection Bonded Rare Earth Magnets

Overview

Rare-earth magnets are the strongest type of permanent magnets made. They have much stronger magnetic fields than other types such as ferrite or alnico magnets. Ashvini Magnets provides precision engineered range of Injection Bonded Rare Earth Magnets manufactured using premium quality raw materials. These magnets are manufactured by an injection process of pre-mixed magnetic powder (NdFeB, SmCo etc), with thermoplastic binders e.g. Nylon 6 or 12 or Polyphenylene Sulfide (PPS) which produces an accurate and homogeneous magnetic part.

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3000+ Products 1500+ Clients 25+ Industries

Characteristics

  • Very high magnetic properties compared to other Injection Molded Ferrites
  • Greater cracking and chipping resistance than Compression Molded Magnets
  • Excellent mechanical strength
  • Very good surface finish
  • Close tolerances off tool, with little or no finishing required
  • Most advanced commercialized permanent magnet
  • Can be made with extremely intricate shapes
  • Available in a number of different grades that span a wide range of properties and application requirements
  • Isotropic bonded NdFeB materials can be magnetized in any direction, or with multiple poles

Product Examples

Specifications


MAGNETIC COMPOUNDS FOR NdFeB BONDED MAGNETS

GRADES

R4032

R4342

R4851

R5461

R5668

R6386

R7112

R5159H

Property

Units

PA12

PA12

PA12

PA12

PA12

PA12

PA12

PPS

Br
Residual Induction

mT
(G)

360 - 420
(3600 - 4200)

410 - 460
(4100 - 4600)

460 - 510
(4600 - 5100)

510 - 570
(5100 - 5700)

550 -580
(5500 - 5800)

610 - 650
(6100 - 6500)

690 - 740
(6900 - 7400)

480 - 540
(4800 - 5400)

bHc
Coercive Force

kA/m
(Oe)

224 - 288
(2800 - 3600)

272 - 336
(3400 - 4200)

304 - 348
(3800 - 4350)

336 - 368
(4200 - 4600)

360 - 392
(4500 - 4900)

400 - 424
(5000 - 5300)

496 - 544
(6200 - 6800)

336 - 368
(4200 - 4600)

iHc
Intrinsic Coercivity

kA/m
(Oe)

464 - 544
(5800 - 6800)

624 - 704
(7800 - 8800)

680 - 752
(8500 - 9400)

704 - 760
(8800 - 9500)

716 - 760
(8950 - 9500)

726 - 776
(9100 - 9700)

952 - 1080
(11900 - 13500)

860 - 900
(10750 - 11250)

BHmax
Max. Energy Product

kJ/m3
(MGOe)

22.4 - 28.8
(2.80 - 3.60)

30.4 - 36.8
(3.80 - 4.60)

38.4 - 43.2
(4.80 - 5.40)

46.4 - 51.2
(5.80 - 6.40)

52 - 56.8
(6.50 - 7.10)

65.6 - 72
(8.20 - 9.00)

91.20 - 104
(11.40 - 13.0)

45.6 - 48.8
(5.70 - 6.10)

Working Temperature

Deg C

125

125

125

125

125

125

125

180

Tensile Strength

kgf/cm2

614

638

608

641

614

370

-

-

Flexural Strength

kgf/cm2

1223

1206

1172

1237

1165

733

-

945

Impact Strength IZOD

kJ/m2

37.1

26.4

17.1

17.7

13.1

7.6

-

8.9

Type

Isotropic / Anisotropic

Isotropic

Isotropic

Isotropic

Isotropic

Isotropic

Isotropic

Isotropic

Isotropic

Molded Density

g/cm3

4.00

4.7

5.00

5.10

5.30

5.70

5.00

5.30

Enquire

Getting started is easy! Send us a drawing or get in touch with a solutions expert at Ashvini Magnets to discuss your requirements.