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magnetic-compound

Magnetic Compound

by on 27 November 2017in Bonded Magnets, Flexible Magnet, Magnetic Materials, Magnetic Powder No comment

Magnetic compound for magnet strips of door gasket
Magnetic compound for Extruding fridge strip
HSF series of Bonded Ferrite Magnetic compound, including Bonded Barium Ferrite Compound and Bonded Strontium Ferrite Compound are suitable for making various bonded magnets. They have good compatibility with different kinds of composite materials, such as nylon, resin, polyvinyl chloride and rubber etc.. Due to the large particle size, such powders have high filling capacity. They can be used for making different kinds of magnets by extrusion or infecting moulding. The strict quality control system of our plant ensures that the quality is stable and consistent.

magnetic-compound

magnetic-compound

TypeMagnetic PropertiesMoisture (%)
MaterialsBr (mT)bHc (kA/m)iHc (kA/m)(BH)max (kJ/m3 )Testing Method
DXF-1BaFe12O19150±1095.5±8183±164.0±0.4Calendering=0.5
DXF-1bBaFe12O19160±599.5±4199±84.4±0.4Green piece=0.5
DXF-2BaFe12O19200±10127±8151±87.2±0.4Calendering=0.5
DXF-2bBaFe12O19200±10119±4143±86.8±0.4Calendering=0.5
DXF-2cBaFe12O19200±10119±4143±86.8±0.4Calendering=0.5
DXF-2SSrFe12O19200±10127±8151±167.1±0.4Calendering=0.5
DXF-2SbSrFe12O19200±10119±4143±167.1±0.4Calendering=0.5
DXF-2ScSrFe12O19200±5119±4143±167.1±0.4Calendering=0.5

Test result of magnetic strip used for refrigerator gaskets

Characteristics for extruded strip 
(measured on finished extruded strip dim. 2.4 x 9 mm with insulation)

Properties

Values

2.4 x 9 (mm)2.4 x 9 (mm)2.4 x 9 (mm)
1.Hardness ShoreHs (A)9696.296.6
2.Densityg/cm33.553.763.57
3.Force of cohesion
(with 0.5mm air gap)		g/cm72.4272.472.4
4.Max. surface magnetic inductionmT757174
5.Tear resistancekg/cm2727668
6.Crack elongation rate%12410787
7.Temp. coefficient of surface magnetic force, continuously working for 240 hours at 80%1.50.70.3
8.Temp. coefficient of surface magnetic force, continuously working for 240 hours at -201.41.30.3>
9.Flexural strength (twist around a stick |μ 16mm)PassedPassedPassed
10.Torsion characteristics: when torsion around 360PassedPassedPassed

Magnetic properties of magnetic compound

Shape: cylinder
Size: Dia.25.5mm
Test temperature: 21
Material: N13

Remanence
Br		Coercive Force
HcB		Intrinsic Coercive Force
HcJ		Max. Energy Products
(BH)max.
TGsKA/mOeKA/mOeKJ/m3MGOe
.19361936130.31637187.423566.918.8693
BdHdHmHKHK/HcJ
GsOeOeOe
961.0904.8128071474.6255

color of magnetic compound:

White, black, gray, light yellow, light black, porcelain white, etc, anyway, specific hardness, color of PVC compound could be made as per customers’s demands.

shape of magnetic compound:

Dimensions and tolerances as well as polarity correspond to the relevant valid HSMAG drawing.

storage of magnetic compound:

In general, long storage times in a humid and got climate may results in brittleness of the magnetic strip. The storage time should not exceed: 12 months at a storage temperature of up to 25 /50% relative humidity, 6 months at a storage temperature of up to 40 /50% relative humidity.

In case of higher temperatures and humidities, the storage time should be reduced accordingly. The cartons should remain sealed during storage in order to avoid possible hardening of the magnetic strip caused by long-term exposure to light. Permissible stacking height for stationary storage: tree pallets on top of each other.

function of magnetic compound:

We guarantee a series delivery according to specification. The customer determines the suitability of our products of the specific application by way of appropriated functional tests of series delivery. For HSMAG, the written approval of sampled quality is proof of functionality. Further guarantees are not assumed by HSMAG