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Dexing Magnet

dexing magnet

Rubber Magnet Sheet

rubber magnet sheetFlexible Magnetic Sheeting is produced with calendering process. It is normally used in office appliance, advertising, checking and testing meters etc. According to its magnetization method, it is divided into penetration magnetization and surface magnetization.(pole width 2,4,7mm or 12,7/6.4/3.6 poles per inch).

As with all magnetic materials ,performance is difficult to quantify without going into complex formula. We strive in this section to give rules of thumb and an appreciation of different materials which will help in the selection of magnets. Hands-on testing is definitely recommended(with papers/air gaps as necessary) to select the best magnet for the job.

Material Types of rubber magnet sheet

Material

Max. Energy Product

a.       Isotropic/semi Anisotropic Ferrite

0.7-0.8MGOe

b.       Full Anisotropic Ferrite( High Energy Sheet)

1.1-1.4MGOe

c.       Neodymium Flexible Material

2.0-2.5MGOe


Material Thickness of rubber magnet sheet

The popular thickness range of flexible magnet material is 0.4-1.5mm, but thicker material is available in high energy. The thicker the material the greater the pull. It is not in direct proportion, but the thicker the material the greater the pull increase. Eg:0.75mm thick material has a pull of 44 gram/cm2 and if proportional the 1.5mm thick material would be 88gram/cm2, but in fact it is actually far higher at 140 gram/cm2.

Typical Pull Characteristics:

Material Thickness(mm)

Pull (Gram/cm2)

0.4

19

0.5

28

0.75

44

1.5

140

Magnetic properties of flexible magnetic sheeting

Code Br Hcb Hcj (BH)max Forming way Size
T KA/m KA/m KJ/m3 Max Length(m) Max Width(mm) Height(mm)
DXZY-1 0.13~0.18 80~120 100~160 4~6.4 Calendering 100 400 0.4~1.1
DXZY-2 0.18~0.22 100~140 120~190 6.4~8.0 Calendering 2 930 0.6~3
DXZY-3 0.21~0.239 140~165 150~210 8.0~10.4 Calendering 100 400 0.4~1.5
DXZY-4 0.24~0.265 15z`6~181 200~270 10.4~12.5 Calendering 2 400 0.6~6

Physical properties of flexible magnetic sheeting

Code

Tensile Strength (MPa)

Elongation Rate (%)

Hardness (SHA)

Temperature (oC)

Density (g/cm3)

DXZY-1

7~12

100~200

85~98

-10~80

3.6~3.7

DXZY-2

7~12

100~300

85~98

-10~80

3.6~3.7

DXZY-3

7~12

100~200

85~98

-10~80

3.6~3.7

DXZY-4

7~12

100~300

85~98

-10~80

3.6~3.7


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Copyright 2007 Xiamen Dexing Magnet Tech. Co., Ltd All Rights Reserved.
Add:Unit 404,4/F,No.993, Anling Road£¬Huli District, Xiamen, China 361012
Tel:(86) 592 5237772 Fax:(86) 592 5237901
WebSite:http://www.rubber-magnet.com
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