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Material specifications

Technical data
on our magnetic materials

Technical characteristics of our magnetic materials

Here you will find the key magnetic and physical characteristics of our ferrite, neodymium, SmCo and SmFeN materials. The material data helps you compare the properties of the different magnetic materials and select a suitable solution for your application.

Ferrite

The following overview shows the technical material specifications for our plastic-bonded ferrite magnet materials (SrFe) under our TROMADUR brand

Material grade Property Br HcB HcJ BHmax Density Binder Tensile strengthTensile str. Young’s modulusYoung’s mod. Elongation at breakElong. at break Temperature rangeTemp. range Temperature
coefficient Br
TC Br
Temperature
coefficient HcJ
TC HcJ
[mT] [kA/m] [kA/m] [kJ/m³] [g/cm³] [MPa] [GPa] [%] [°C] [%/K] [%/K]
typ. typ. typ. typ. typ. typ. typ. typ. min max typ. typ.
TROMADUR®
5/25p
anisotropic1651252655.52.85PA115571.6-40125-0.20.3
TROMADUR®
7/18p
anisotropic2051302007.53.5PA1165161.2-40125-0.20.3
TROMADUR®
11/26p
anisotropic24018527011.53.3PA1170114-40125-0.20.3
TROMADUR®
8/25p
anisotropic225170270103.1PA11/126085-40125-0.20.3
TROMADUR®
13/23p
anisotropic265190240143.6PA11/126513.52.4-40125-0.20.3
TROMADUR®
7/19p
anisotropic1951452007.52.85PA125571.6-40125-0.20.3
TROMADUR®
9/24p
anisotropic21517026093.1PA125897-40125-0.20.3
TROMADUR®
12/23p
anisotropic25518524512.53.45PA126013.52.6-40125-0.20.3
TROMADUR®
14/21p
anisotropic27019525014.53.55PA1260142.5-40125-0.20.3
TROMADUR®
14/22p
anisotropic270190235143.6PA127015.51.6-40125-0.20.3
TROMADUR®
14/24p
anisotropic27019525014.53.55PA1265142-40125-0.20.3
TROMADUR®
14/25p
anisotropic275205270153.5PA1265152.5-40125-0.20.3
TROMADUR®
15/22p
anisotropic285200270163.65PA1245121.5-40125-0.20.3
TROMADUR®
16/18p
anisotropic300180220173.85PA125020—-40125-0.20.3
TROMADUR®
17/18p
anisotropic31018020018.53.85PA12———-40125-0.20.3
TROMADUR®
9/23p
anisotropic2251652509.53.1PA12 mod.72143-40125-0.20.3
TROMADUR®
10/21p
anisotropic235175235113.4PA685170.8-40125-0.20.3
TROMADUR®
11/23p
anisotropic24019026511.53.25PA6100251.5-40125-0.20.3
TROMADUR®
11/24p
anisotropic24518025511.53.4PA695211.3-40125-0.20.3
TROMADUR®
12/24p
anisotropic245185250123.4PA685181.2-40125-0.20.3
TROMADUR®
13/22p
anisotropic270190240143.55PA690211-40125-0.20.3
TROMADUR®
14/22p
anisotropic275205255153.6PA695281.3-40125-0.20.3
TROMADUR®
15/22p
anisotropic27519526515.53.6PA6>30——-40125-0.20.3
TROMADUR®
16/20p
anisotropic29020023016.53.75PA690300.6-40125-0.20.3
TROMADUR®
10/22p
anisotropic24018025011.53.4PPS45200.4-40200-0.20.3
TROMADUR®
10/22p
anisotropic24018025011.53.4PPS45200.4-40200-0.20.3
TROMADUR®
10/25p
anisotropic240180270113.4PPS45210.4-40200-0.20.3
TROMADUR®
13/21p
anisotropic265190245143.6PPS46200.2-40125-0.20.3

Click the bottom header row (typ. / min / max) or Material grade / Property / Binder to sort the table by that column (click again to reverse the order).

Neodymium

The following overview shows the technical material specifications for our plastic-bonded neodymium magnet materials (NdFeB) under our TROMADYM brand

Material grade Property Br HcB HcJ BHmax Density Binder Tensile strengthTensile str. Young’s modulusYoung’s mod. Elongation at breakElong. at break Temperature rangeTemp. range Temperature
coefficient Br
TC Br
Temperature
coefficient HcJ
TC HcJ
[mT] [kA/m] [kA/m] [kJ/m³] [g/cm³] [MPa] [GPa] [%] [°C] [%/K] [%/K]
typ. typ. typ. typ. typ. typ. typ. typ. min max typ. typ.
TROMADYM®
46/68p
isotropic53036572047.54.9PA1270181.6-40125-0.11-0.5
TROMADYM®
80/110p
anisotropic7005001300855.1PA1245150.5-40125-0.14-0.49
TROMADYM®
90/100p
anisotropic7505001200965.1PA12———-40125-0.14-0.49
TROMADYM®
120/75p
anisotropic9204707701255.7PA1232220.2-40125-0.11-0.46
TROMADYM®
38/65p
isotropic500320710415.05PPS30290.2-40150-0.11-0.5
TROMADYM®
44/82p
isotropic530350880475.2PPS45320.2-40150-0.11-0.5
TROMADYM®
45/80p
isotropic530355900485.2PPS5060.8-40150-0.11-0.5
TROMADYM®
45/80p
isotropic535355900485.2PPS5560.8-40150-0.11-0.5

Click the bottom header row (typ. / min / max) or Material grade / Property / Binder to sort the table by that column (click again to reverse the order).

SmCo

The following overview shows the technical material specifications for our plastic-bonded samarium-cobalt magnetic materials (SmCo) under our TROMAMAX brand

Material grade Property Br HcB HcJ BHmax Density Binder Tensile strengthTensile str. Young’s modulusYoung’s mod. Elongation at breakElong. at break Temperature rangeTemp. range Temperature
coefficient Br
TC Br
Temperature
coefficient HcJ
TC HcJ
[mT] [kA/m] [kA/m] [kJ/m³] [g/cm³] [MPa] [GPa] [%] [°C] [%/K] [%/K]
typ. typ. typ. typ. typ. typ. typ. typ. min max typ. typ.
TROMAMAX®
60/76p
anisotropic585420780645.25PA12607.51.4-40125-0.03-0.15

Click the bottom header row (typ. / min / max) or Material grade / Property / Binder to sort the table by that column (click again to reverse the order).

SmFeN

The following overview shows the technical material specifications for our plastic-bonded samarium-ferrite-nitrogen magnetic materials (SmFeN) under our TROMANIT brand

Material grade Property Br HcB HcJ BHmax Density Binder Tensile strengthTensile str. Young’s modulusYoung’s mod. Elongation at breakElong. at break Temperature rangeTemp. range Temperature
coefficient Br
TC Br
Temperature
coefficient HcJ
TC HcJ
[mT] [kA/m] [kA/m] [kJ/m³] [g/cm³] [MPa] [GPa] [%] [°C] [%/K] [%/K]
typ. typ. typ. typ. typ. typ. typ. typ. min max typ. typ.
TROMANIT®
95/100p
anisotropic73053011001004.8PA125015—-40125-0.07-0.37
TROMANIT®
120/100p
anisotropic83058011501255PA125515—-40125-0.06-0.15

Click the bottom header row (typ. / min / max) or Material grade / Property / Binder to sort the table by that column (click again to reverse the order).

Flexible Ferrite Material

The following overview shows the technical material specifications for our flexible ferrite magnetic materials under our TROMAFLEX brand

Material grade Property Br HcB HcJ BHmax Density Binder Tensile strengthTensile str. Young’s modulusYoung’s mod. Elongation at breakElong. at break Temperature rangeTemp. range Temperature
coefficient Br
TC Br
Temperature
coefficient HcJ
TC HcJ
[mT] [kA/m] [kA/m] [kJ/m³] [g/cm³] [MPa] [GPa] [%] [°C] [%/K] [%/K]
typ. typ. typ. typ. typ. typ. typ. typ. min max typ. typ.
TROMAFLEX®
TX 424
isotropic 170 115 205 5 3,6 CPE 5 — 45 -40 85 -0,25 0,2
TROMAFLEX®
TX 826
anisotropic 230 170 255 9,5 3,7 CPE — 8 — -40 85 -0,25 0,2
TROMAFLEX®
TX 1217
anisotropic 280 160 200 14,5 3,7 NBR — 6,5 — -40 100 -0,25 0,2

Click the bottom header row (typ. / min / max) or Material grade / Property / Binder to sort the table by that column (click again to reverse the order).

Flexible Neodymium Material

The following overview shows the technical material specifications for our flexible neodym magnetic materials under our TROMAFLEX brand

Material grade Property Br HcB HcJ BHmax Density Binder Tensile strengthTensile str. Young’s modulusYoung’s mod. Elongation at breakElong. at break Temperature rangeTemp. range Temperature
coefficient Br
TC Br
Temperature
coefficient HcJ
TC HcJ
[mT] [kA/m] [kA/m] [kJ/m³] [g/cm³] [MPa] [GPa] [%] [°C] [%/K] [%/K]
typ. typ. typ. typ. typ. typ. typ. typ. min max typ. typ.
TROMAFLEX®
TX 6062
isotropic 660 395 710 64 5,4 NBR >2 — 55 -40 80 -0,11 -0,8
TROMAFLEX®
TX 6364
isotropic 685 405 725 69 5,6 NBR >2 — 55 -40 80 -0,11 -0,8
TROMAFLEX®
TX 7966
isotropic 715 425 745 84,5 5,8 NBR >2 — 55 -40 80 -0,11 -0,8

Click the bottom header row (typ. / min / max) or Material grade / Property / Binder to sort the table by that column (click again to reverse the order).

Graphite

The following overview shows the technical material specifications for our graphit compounds under our TROMACOMP brand

Material grade Filler Binder Filler content Thermal
conductivity 80°C
Thermal cond.
Electrical
conductivity
Electrical cond.
Tensile strength Tensile str. Flexural strength Flexural str.
[%] [W/mK] [mΩ/cm] [MPa] [MPa]
typ. typ. typ. typ. typ.
Tromacomp C Synthetic graphite PPS 65 — — — —
Tromacomp
GRN4633
Natural graphite PPS 70 4,6 3,3 48 86
Tromacomp
GRN5175
Natural graphite PPS 70 5,13 7,5 47 80
Tromacomp
GRN5335CF
Natural graphite + carbon fiber PPS 70+5 5,3 3,5 44 95

Click the bottom header row (typ.) or Material grade / Filler / Binder to sort the table by that column (click again to reverse the order).