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1. Overview

Rubber magnet is a permanent magnet composing of fine powder of strontium ferrite, synthetic resin and additives. It can be processed as a sheet, a roll or any kind of shape and can be coated to have magnetic characteristics or colors. As a matter of fact, it can be customized according to the requests of the customers.

시험성적서We have developed color coated rubber magnets to upscale the existing UV coated rubber magnet, which is for surface protection thanks to our excellent coating technology. It is used for children's toy and educational materials. To meet the regulations, we are producing non-toxic rubber magnets so that customers can use our products safely and with peace of mind.

 

 

2. Product Characteristics

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- Excellent visible effects because of color coating
- Easy handling because of flexibility
- Can be made broader and thinner
- Diversified expression and design
- Non-toxic
- Prevents the attached materials with coating treatment

 

3. Manufacturing Method and Characteristics

Molding
Method

Dimension

Characteristics

Application

Calendar

· T : 0.1∼15mm
· W: <650mm
· L: customer's requests

· Mass production is available
· Mechanical isotropic
· Mechanical anisotropic

· Toy, Education material
· Electromagnetic wave absorber
· Magnetic sticker DY

Extrusion

· T : 0.2∼10mm
· W: 400mm
· L: customer's requests

· Easy to manufacture small size products
· Precision demanding products
· High characteristics products

· High characteristic products
· Deflection yoke
· RFID electromagnetic wave absorber

 

 

4. Mechanical Properties of Rubber Magnet

Material

Model No.

Tensile Strength
(kg/cm²)

Elongation
(%)

Hardness
(A)

Density
(g/cm³)

Isotropy

NMRI

45 ~ 50

20 ~ 30

80 ~ 90

3.6 ± 0.2

Anisotropy

NMRA

50 ~ 55

10 ~20

85 ~ 95

3.6 ± 0.2

 

 

5. Magnetic Properties of Rubber Magnet

Material

Model No.

Br(kG)

Hc(kOe)

IHc(kOe)

BHmax(MGOe)

Isotropy

NMRI

1.5 ~ 1.6

1.1 ~ 1.3

2.1 ~ 2.6

0.5 ~ 0.6

NMRI-G

1.5 ~ 2.1

1.3 ~ 1.9

2.1 ` 2.6

0.6 ~ 0.9

Anisotropy

NMRA

2.0 ~ 2.5

1.8 ~ 2.1

2.7 ~ 3.3

1.2 ~ 1.6

 

 

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