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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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