Magnetic rubbers, magnetic foils and their areas of application

Magnetic rubbers and magnetic foils are made of flexible Thermoplastic, in which magnetisable strontium ferrite powder is incorporated. Any magnetisable surface is suitable as an adhesive surface. Both magnetic sheets and magnetic rubbers can be easily cut to the desired length or format.

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Production process of a magnetic sheet

A thermoplastic synthetic material is Strontium ferrite powder and then calendered in continuous strips. The magnetic foil is then magnetised.

A distinction is made between isotropic and anisotropic magnetisation:

  • Isotropic means an arbitrary, i.e. non-preferred magnetisation.

  • Anisotropic has a preferred direction of magnetisation, which results in a higher adhesive force. An electromagnetic field is applied, which ensures the preferred direction in the material. Due to this additional work step, anisotropic magnetic foils are somewhat more expensive than isotropic ones.

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Markus Freudenthaler

Internal sales at
magnet.works

Magnetic rubber & magnetic sheet - at a glance

Different types Magnetic foils and magnetic rubbers are available in different versions such as raw brown, semi-anisotropic, anisotropic and self-adhesive, each adapted to specific application requirements.
Manufacture The manufacturing process for magnetic foil involves mixing thermoplastic with strontium ferrite powder, calendering in continuous strips and subsequent magnetisation, whereby a distinction is made between isotropic and anisotropic magnetisation.
Application The areas of use range from everyday applications such as vehicle lettering and advertising boards to industrial uses in conveyor belts and AGVs and specialised applications such as magnetic C-profiles for warehouse labelling.

Types of magnetic rubbers and magnetic foils

A distinction is made between the following Types of magnetic foils:

  • Raw brown - magnetised magnetic sheet on one side.

  • Raw brown - magnetised magnetic sheet on both sides.

  • Semi-anisotropic magnetic sheet.

  • Anisotropic magnetic sheet.

  • Self-adhesive on one side, magnetised on the other.

  • Magnetic sheet with coloured and printable coatings.

  • Different types of magnetisation.

 

A distinction is made between the following Types of magnetic rubbers:

  • Multi-pole magnetised on one side.

  • Magnetised on both sides.

  • Axially magnetised.

  • Self-adhesive on one side, magnetised on the other.

  • Different widths.

  • Different heights.

  • bundles to different running metres.

Areas of application

Applications for Magnetic foils:

  • Labelling of vehicles.

  • For billboards.

  • Printing with e.g. warning notices for machines.

  • Printing with laser targets, e.g. to be able to set up lasers.

  • As a teaching aid.

  • As price tags.

  • As promotional gifts.

Applications for Magnetic rubbers:

  • Contactless contact sensors for AGVs (automated guided vehicles).

  • In conveyor belts.

  • Use as paint covers.

  • In furniture making.

  • For shower cubicles to keep doors closed.

  • Toys.