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Flexible Rubber Magnet
Flexible Rubber Magnet
Flexible Rubber Magnet

Rubber magnets are made by bonding ferrite magnetic powder, synthetic rubber or plastic and other materials through extrusion molding, calendering molding, injection molding and other processes. It has the characteristics of light specific gravity, softness, good elasticity, twistability, strong magnetic retention, easy processing and energy saving. Can be produced into strips, rolls, sheets and other complex shapes, suitable for electronics, electrical industry and household appliances industry, motor stator and rotor, toys, stationery, advertising, printing and decoration and other fields.

Production Process:

Ingredient---->Mixing---->Extrusion/Calendering/Injection Molding---->Processing---->Magnetization---->Inspection---->Packing




Grade

MT(G)

KA/m (Oe)

 KA/m (Oe)

KJ/m3(MGOe)

PRM-5T

140-155

(1400-1550)

90-120

(1125-1500)

130

(1625)

4.0-5.6

 (0.5-0.7)

PRM-8

160-185

(1600-1850)

120-140

(1500-1750)

150

(1875)

5.6-7.0

 (0.7-0.89)

PRM-10

200-210

(2000-2100)

145

(1812)

160

(2000)

8.0-9.6

 (1.0-1.20)

PRM-11

230-245

(2300-2450)

160

(2000)

175

(2188)

10.0-11.0

 (1.25-1.39)

PRM-13

250

(2500)

160

(2000)

182

(2275)

11.2-12.6

 (1.40-1.51)

PRM-15

260

(2600)

172

(2150)

196

(2450)

12.0-12.8

 (1.50-1.60)

PRM-11H

230-240

(2300-2400)

170

(2125)

188

(2500)

10.0-11.0

 (1.25-1.34)

Magnetic characteristic of rubber magnet

Classification

Type

MT(GS)

Hcb

KA/m

(Oe)

KA/m(Oe)


(BH)max

KJ/ m3(MGOe)

Composition

Mode of

production

Isotropic

Rubber

Magnet

YNT-4

135-155(1350-1550)

85-105(1050-1300)

175-210(2200-2600)

3.2-5.0(0.40-0.62)

BaO.6Fe2O3

SrO.6Fe2O3

Extruding

Rolling

YNT-S5

165-180

(1650-1800)

90-105

(1130-1300)

135-160(1700-2010)

4.5-5.8(0.56-0.72)

YNT-B5

170-190

(1700-1900)

90-115

(1200-1450

150-190(1885-2400)

4.6-6.5(0.57-0.80)

YNT-6.5

185-200(1850-2000)

90-110(1130-1380)

125-150(1570-1885)

6.0-7.0(0.74-0.93)

Anisotropic

Rubber

 Magnet

YNY-10

220-240(2200-2400)

140-165(1760-2070)

200-235(2500-2950)

9.0-10.5(1.1-1.30)

SrO.6Fe2O3


Rolling

YNY-11

230-250(2300-2500)

145-165(1820-2070)

190-225

(2380-2850)

9.5-11.0(1.18-1.36)

YNY-13

250-270(200-2700)

175-190(2200-2400)

200-230

(2500-2900)

11.5-14.5(1.42-1.80)

YNY-15

≥270(≥2700)

175-190(2200-2400)

200-230(2500-2900)

≥14.5(≥1.8)


Other Physical Characteristic
Density : 3.6-3.8 g/cm3
SHORE Hardness : 30-60 SHORE D
Temperature Coefficient : -0.2 %/ °C
Operation Temperature: -40~80°C


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