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Bonded Magnet

Bonded Magnet
Bonded Magnet
Product Code : 20
Product Description

Our Bonded Magnet is unmatched in quality. It is a Rare-earth Neodymium Magnet developed from quenched NdFeB powder and binders by following injection moulding or compaction moulding process. This type of magnet is reckoned high tolerance and outstanding mechanical properties, due to which, it can be carved into complex shapes, moulding either one time or with a multi-polar orientation. It is very easy to inject different types of material into Bonded Magnet and increase its efficiency. Magnetic rings made from bonded magnets are suitable to be used in hard drives of computer, mobile phones, air conditioners, refrigerators, micro-motors, and so forth. 

Features:

  • Excellent magnetic properties
  • Can be carved into various complex shapes owing to good mechanical property
  • Tough and can be used driving shaft or other plug-ins
  • Stable in moderate temperature
  • Radial-oriented multi pole magnetic ring

Application:

  • Computers (optical drives, hard drives, and floppy disk drive spindle motor)
  • Printers
  • Home appliances (air conditioners, refrigerators)
  • Micro-motors
  • Mobile phones

Technical Specifications

Magnetic Properties

Magnetics and Physical Properties

MB-4

MB-6

MB-8

MB-8H

MB-10

MB-10H

MB-12

MB-12D

Residual Induction (mT)

Br (KGs)

350-450

(3.5-4.5)

500-600

(5.0-6.0)

600-670

(6.0-6.7)

560-680

(5.6-6.8)

650-700

(6.5-7.0)

660-700

(6.6-7.0)

700-800

(7.0-8.0)

700-800

(7.0-8.0)

Coercive Force (KA/m)

Hcb (KOe)

240-280

(3.0-3.5)

320-360

(4.0-4.5)

360-400

(4.5-5.5)

400-464

(5.0-5.8)

400-440

(5.0-5.5)

400-480

(5.5-6.0)

416-480

(5.2-6.0)

448-480

(5.6-6.0)

Intrinsic Coercive Force (KA/m)

Hcj (KOe)

640-800

(8.0-10.0)

640-800

(8.0-10.0)

640-880

(8.0-11.0)

960-1360

(12.0-14.0)

640-800

(8.0-10.0)

760-840

(9.5-10.5)

640-880

(8.0-11.0)

720-960

(9.0-12.0)

Maximum Energy Products(KJ/m3)

(BH) max (MGOe)

24-32

(3.0-4.0)

40-56

(5.0-7.0)

64-72

(8.0-9.0)

60-72

(7.5-9.0)

72-80

(9.0-10.0)

80-96

(9.0-10.0)

80-96

(10.0-12.0)

80-96

(10.0-12.0)

Physical Properties

Magnetics and Physical Properties

MB-4

MB-6

MB-8

MB-8H

MB-10

MB-10H

MB-12

MB-12D

Average Reversible Temperature Coefficient (%/°C)

-0.1

-0.1

-0.10

-0.13

-0.1

-0.1

-0.1

-0.07

Curie Temperature (°C)

400

400

400

305

400

360

360

470

Max Operating Temperature (°C)

150

150

140

120

150

130

130

140

Saturation Magnetizing Force (KA/m) sd (KOe)

1600

1600

2000

2800

1600

2000

1600

2000

(KA/m) sd (KOe)

20

20

25

35

20

25

20

25

Density d (g/cm3)

4.5-5.0

5.5-5.8

5.8-6.0

5.8-6.0

5.8-6.2

6.0-6.2

6.2-6.6

6.2-6.6

Hardness HRB

40-45

40-45

35-38

35-38

35-38

35-38

35-38

35-38



MAGTECH INDUSTRIAL CO.

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MAGTECH INDUSTRIAL CO.
Rm 1002, 10/F, Workingbond Comm. Center, 162 Prince Edward Road West, Hong Kong
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